diff options
Diffstat (limited to 'source/libmaple/api/rcc.rst')
| -rw-r--r-- | source/libmaple/api/rcc.rst | 1134 |
1 files changed, 63 insertions, 1071 deletions
diff --git a/source/libmaple/api/rcc.rst b/source/libmaple/api/rcc.rst index 774df1c..4bf70d6 100644 --- a/source/libmaple/api/rcc.rst +++ b/source/libmaple/api/rcc.rst @@ -16,6 +16,7 @@ in place to make managing this more convenient. .. contents:: Contents :local: + :depth: 2 .. _libmaple-rcc-core-types: @@ -61,42 +62,16 @@ STM32F2 Targets .. doxygenenum:: stm32f2::rcc_clk_id -.. _libmaple-rcc-rcc_clk: - -System and Secondary Clock Sources: ``rcc_clk`` -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -The ``rcc_clk`` type gives available system and secondary clock -sources (e.g. HSI, HSE, LSE). As with :ref:`rcc_clk_id -<libmaple-rcc-rcc_clk_id>`, clock sources which are common across -targets have the same token, but not necessarily the same value, for -their ``rcc_clk`` on each target. A variety of :ref:`clock management -functions <libmaple-rcc-clk-funcs>` are available. - -Note that the inclusion of secondary clock sources, like LSI and LSE, -makes ``rcc_clk`` different from the SYSCLK sources, which are managed -using :ref:`rcc_sysclk_src <libmaple-rcc-rcc_sysclk_src>`. - -The available ``rcc_clk``\ s for each supported target series are as -follows. - -STM32F1 Targets -+++++++++++++++ - -.. doxygenenum:: stm32f1::rcc_clk - -STM32F2 Targets -+++++++++++++++ - -.. doxygenenum:: stm32f2::rcc_clk - .. _libmaple-rcc-rcc_sysclk_src: -SYSCLK Sources: ``rcc_sysclk_src`` -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +System Clock (SYSCLK) Sources: ``rcc_sysclk_src`` +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -This gives the possible SYSCLK sources. It's portable. Switch SYSCLK -with :ref:`rcc_switch_sysclk() <libmaple-rcc-rcc_switch_sysclk>`. +SYSCLK is the core system clock. It determines the CPU clock rate, and +it's the base clock which is used to drive (most of) the peripherals +on the STM32. ``rcc_sysclk_src`` is an enum for the possible SYSCLK +sources. Switch the SYSCLK source with :ref:`rcc_switch_sysclk() +<libmaple-rcc-rcc_switch_sysclk>`. .. doxygenenum:: rcc_sysclk_src @@ -144,6 +119,35 @@ of ``your_pll_cfg``:: rcc_switch_sysclk(RCC_CLKSRC_PLL); } +.. _libmaple-rcc-rcc_clk: + +System and Secondary Clock Sources: ``rcc_clk`` +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``rcc_clk`` type gives available system and secondary clock +sources (e.g. HSI, HSE, LSE). As with :ref:`rcc_clk_id +<libmaple-rcc-rcc_clk_id>`, clock sources which are common across +targets have the same token, but not necessarily the same value, for +their ``rcc_clk`` on each target. A variety of :ref:`clock management +functions <libmaple-rcc-clk-funcs>` are available. + +Note that the inclusion of secondary clock sources, like LSI and LSE, +makes ``rcc_clk`` different from the SYSCLK sources, which are managed +using :ref:`rcc_sysclk_src <libmaple-rcc-rcc_sysclk_src>`. + +The available ``rcc_clk``\ s for each supported target series are as +follows. + +STM32F1 Targets ++++++++++++++++ + +.. doxygenenum:: stm32f1::rcc_clk + +STM32F2 Targets ++++++++++++++++ + +.. doxygenenum:: stm32f2::rcc_clk + .. _libmaple-rcc-rcc_clk_domain: Clock Domains: ``rcc_clk_domain`` @@ -177,7 +181,7 @@ STM32F2 Targets .. _libmaple-rcc-rcc_prescaler: -Prescalers: ``rcc_prescaler`` and friends +Prescalers: ``rcc_prescaler`` and Friends ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Available prescalers are managed via the ``rcc_prescaler`` type, the @@ -273,32 +277,33 @@ These functions are useful for managing peripherals via their Prescalers ~~~~~~~~~~ -All RCC prescalers are managed with a single function, -``rcc_set_prescaler()``. +All clock prescalers managed by RCC can be controlled with a single +function, ``rcc_set_prescaler()``. .. doxygenfunction:: rcc_set_prescaler The arguments to ``rcc_set_prescaler()`` are target-dependent, but -follow a common pattern. - -The first argument specifies the prescaler to set. Each target has a -corresponding ``rcc_prescaler`` type. Prescalers which are common -across targets have the same token, though not necessarily the same -value, for their ``rcc_prescaler`` (for example, -``RCC_PRESCALER_APB1`` is available on both STM32F1 and STM32F2 -targets). - -The second argument determines the divider; it is chosen based on the -prescaler chosen in the first argument. Along with each prescaler, -there is a separate enum type listing all of the available clock -dividers corresponding to that prescaler. For example, on STM32F1, the -corresponding dividers for ``RCC_PRESCALER_APB1`` are given by the -``rcc_apb1_divider`` type. It has values like ``RCC_APB1_HCLK_DIV_1``, -``RCC_APB1_HCLK_DIV_2``, etc. In general, the dividers for -``RCC_PRESCALER_FOO`` are given by the type ``rcc_foo_divider``. - -The available prescalers and dividers on each supported target series -are as follows. +follow a common pattern: + +- The first argument is the prescaler to set, so there's one for each + peripheral clock domain, etc. These have names like + ``RCC_PRESCALER_FOO``, e.g. ``RCC_PRESCALER_APB1``. Choose the + prescaler from the ``rcc_prescaler``\ s on your target (see below). + +- The second argument is the actual clock divider to use; it's chosen + based on the first argument. The dividers for ``RCC_PRESCALER_FOO`` + are given by the type ``rcc_foo_divider``, and have values like + ``RCC_FOO_xxx_DIV_y``. This means that the foo clock will be the + ``xxx`` clock divided by ``y``. + +For example, calling ``rcc_set_prescaler(RCC_PRESCALER_APB1, +RCC_APB1_HCLK_DIV_1)`` would set the APB1 clock to HCLK divided by 1. + +Prescalers which are common across targets have the same token, though +not necessarily the same value, for their ``rcc_prescaler`` (for +example, ``RCC_PRESCALER_APB1`` is available on both STM32F1 and +STM32F2 targets). The available prescalers and dividers on each +supported target series are as follows. STM32F1 Targets +++++++++++++++ @@ -343,1022 +348,9 @@ Register Bit Definitions These are given as source code. Available register bit definitions vary by target. -STM32F1 Targets -~~~~~~~~~~~~~~~ - -Clock control register -++++++++++++++++++++++ - -:: - - #define RCC_CR_PLLRDY_BIT 25 - #define RCC_CR_PLLON_BIT 24 - #define RCC_CR_CSSON_BIT 19 - #define RCC_CR_HSEBYP_BIT 18 - #define RCC_CR_HSERDY_BIT 17 - #define RCC_CR_HSEON_BIT 16 - #define RCC_CR_HSIRDY_BIT 1 - #define RCC_CR_HSION_BIT 0 - - #define RCC_CR_PLLRDY (1U << RCC_CR_PLLRDY_BIT) - #define RCC_CR_PLLON (1U << RCC_CR_PLLON_BIT) - #define RCC_CR_CSSON (1U << RCC_CR_CSSON_BIT) - #define RCC_CR_HSEBYP (1U << RCC_CR_HSEBYP_BIT) - #define RCC_CR_HSERDY (1U << RCC_CR_HSERDY_BIT) - #define RCC_CR_HSEON (1U << RCC_CR_HSEON_BIT) - #define RCC_CR_HSICAL (0xFF << 8) - #define RCC_CR_HSITRIM (0x1F << 3) - #define RCC_CR_HSIRDY (1U << RCC_CR_HSIRDY_BIT) - #define RCC_CR_HSION (1U << RCC_CR_HSION_BIT) - -Clock configuration register -++++++++++++++++++++++++++++ - -:: - - #define RCC_CFGR_USBPRE_BIT 22 - #define RCC_CFGR_PLLXTPRE_BIT 17 - #define RCC_CFGR_PLLSRC_BIT 16 - - #define RCC_CFGR_MCO (0x3 << 24) - #define RCC_CFGR_USBPRE (1U << RCC_CFGR_USBPRE_BIT) - #define RCC_CFGR_PLLMUL (0xF << 18) - #define RCC_CFGR_PLLXTPRE (1U << RCC_CFGR_PLLXTPRE_BIT) - #define RCC_CFGR_PLLSRC (1U << RCC_CFGR_PLLSRC_BIT) - #define RCC_CFGR_ADCPRE (0x3 << 14) - #define RCC_CFGR_PPRE2 (0x7 << 11) - #define RCC_CFGR_PPRE1 (0x7 << 8) - #define RCC_CFGR_HPRE (0xF << 4) - #define RCC_CFGR_SWS (0x3 << 2) - #define RCC_CFGR_SWS_PLL (0x2 << 2) - #define RCC_CFGR_SWS_HSE (0x1 << 2) - #define RCC_CFGR_SW 0x3 - #define RCC_CFGR_SW_PLL 0x2 - #define RCC_CFGR_SW_HSE 0x1 - -Clock interrupt register -++++++++++++++++++++++++ - -:: - - #define RCC_CIR_CSSC_BIT 23 - #define RCC_CIR_PLLRDYC_BIT 20 - #define RCC_CIR_HSERDYC_BIT 19 - #define RCC_CIR_HSIRDYC_BIT 18 - #define RCC_CIR_LSERDYC_BIT 17 - #define RCC_CIR_LSIRDYC_BIT 16 - #define RCC_CIR_PLLRDYIE_BIT 12 - #define RCC_CIR_HSERDYIE_BIT 11 - #define RCC_CIR_HSIRDYIE_BIT 10 - #define RCC_CIR_LSERDYIE_BIT 9 - #define RCC_CIR_LSIRDYIE_BIT 8 - #define RCC_CIR_CSSF_BIT 7 - #define RCC_CIR_PLLRDYF_BIT 4 - #define RCC_CIR_HSERDYF_BIT 3 - #define RCC_CIR_HSIRDYF_BIT 2 - #define RCC_CIR_LSERDYF_BIT 1 - #define RCC_CIR_LSIRDYF_BIT 0 - - #define RCC_CIR_CSSC (1U << RCC_CIR_CSSC_BIT) - #define RCC_CIR_PLLRDYC (1U << RCC_CIR_PLLRDYC_BIT) - #define RCC_CIR_HSERDYC (1U << RCC_CIR_HSERDYC_BIT) - #define RCC_CIR_HSIRDYC (1U << RCC_CIR_HSIRDYC_BIT) - #define RCC_CIR_LSERDYC (1U << RCC_CIR_LSERDYC_BIT) - #define RCC_CIR_LSIRDYC (1U << RCC_CIR_LSIRDYC_BIT) - #define RCC_CIR_PLLRDYIE (1U << RCC_CIR_PLLRDYIE_BIT) - #define RCC_CIR_HSERDYIE (1U << RCC_CIR_HSERDYIE_BIT) - #define RCC_CIR_HSIRDYIE (1U << RCC_CIR_HSIRDYIE_BIT) - #define RCC_CIR_LSERDYIE (1U << RCC_CIR_LSERDYIE_BIT) - #define RCC_CIR_LSIRDYIE (1U << RCC_CIR_LSIRDYIE_BIT) - #define RCC_CIR_CSSF (1U << RCC_CIR_CSSF_BIT) - #define RCC_CIR_PLLRDYF (1U << RCC_CIR_PLLRDYF_BIT) - #define RCC_CIR_HSERDYF (1U << RCC_CIR_HSERDYF_BIT) - #define RCC_CIR_HSIRDYF (1U << RCC_CIR_HSIRDYF_BIT) - #define RCC_CIR_LSERDYF (1U << RCC_CIR_LSERDYF_BIT) - #define RCC_CIR_LSIRDYF (1U << RCC_CIR_LSIRDYF_BIT) - -Peripheral reset registers -++++++++++++++++++++++++++ - -:: - - #define RCC_APB2RSTR_TIM11RST_BIT 21 - #define RCC_APB2RSTR_TIM10RST_BIT 20 - #define RCC_APB2RSTR_TIM9RST_BIT 19 - #define RCC_APB2RSTR_ADC3RST_BIT 15 - #define RCC_APB2RSTR_USART1RST_BIT 14 - #define RCC_APB2RSTR_TIM8RST_BIT 13 - #define RCC_APB2RSTR_SPI1RST_BIT 12 - #define RCC_APB2RSTR_TIM1RST_BIT 11 - #define RCC_APB2RSTR_ADC2RST_BIT 10 - #define RCC_APB2RSTR_ADC1RST_BIT 9 - #define RCC_APB2RSTR_IOPGRST_BIT 8 - #define RCC_APB2RSTR_IOPFRST_BIT 7 - #define RCC_APB2RSTR_IOPERST_BIT 6 - #define RCC_APB2RSTR_IOPDRST_BIT 5 - #define RCC_APB2RSTR_IOPCRST_BIT 4 - #define RCC_APB2RSTR_IOPBRST_BIT 3 - #define RCC_APB2RSTR_IOPARST_BIT 2 - #define RCC_APB2RSTR_AFIORST_BIT 0 - - #define RCC_APB2RSTR_TIM11RST (1U << RCC_APB2RSTR_TIM11RST_BIT) - #define RCC_APB2RSTR_TIM10RST (1U << RCC_APB2RSTR_TIM10RST_BIT) - #define RCC_APB2RSTR_TIM9RST (1U << RCC_APB2RSTR_TIM9RST_BIT) - #define RCC_APB2RSTR_ADC3RST (1U << RCC_APB2RSTR_ADC3RST_BIT) - #define RCC_APB2RSTR_USART1RST (1U << RCC_APB2RSTR_USART1RST_BIT) - #define RCC_APB2RSTR_TIM8RST (1U << RCC_APB2RSTR_TIM8RST_BIT) - #define RCC_APB2RSTR_SPI1RST (1U << RCC_APB2RSTR_SPI1RST_BIT) - #define RCC_APB2RSTR_TIM1RST (1U << RCC_APB2RSTR_TIM1RST_BIT) - #define RCC_APB2RSTR_ADC2RST (1U << RCC_APB2RSTR_ADC2RST_BIT) - #define RCC_APB2RSTR_ADC1RST (1U << RCC_APB2RSTR_ADC1RST_BIT) - #define RCC_APB2RSTR_IOPGRST (1U << RCC_APB2RSTR_IOPGRST_BIT) - #define RCC_APB2RSTR_IOPFRST (1U << RCC_APB2RSTR_IOPFRST_BIT) - #define RCC_APB2RSTR_IOPERST (1U << RCC_APB2RSTR_IOPERST_BIT) - #define RCC_APB2RSTR_IOPDRST (1U << RCC_APB2RSTR_IOPDRST_BIT) - #define RCC_APB2RSTR_IOPCRST (1U << RCC_APB2RSTR_IOPCRST_BIT) - #define RCC_APB2RSTR_IOPBRST (1U << RCC_APB2RSTR_IOPBRST_BIT) - #define RCC_APB2RSTR_IOPARST (1U << RCC_APB2RSTR_IOPARST_BIT) - #define RCC_APB2RSTR_AFIORST (1U << RCC_APB2RSTR_AFIORST_BIT) - - #define RCC_APB1RSTR_DACRST_BIT 29 - #define RCC_APB1RSTR_PWRRST_BIT 28 - #define RCC_APB1RSTR_BKPRST_BIT 27 - #define RCC_APB1RSTR_CANRST_BIT 25 - #define RCC_APB1RSTR_USBRST_BIT 23 - #define RCC_APB1RSTR_I2C2RST_BIT 22 - #define RCC_APB1RSTR_I2C1RST_BIT 21 - #define RCC_APB1RSTR_UART5RST_BIT 20 - #define RCC_APB1RSTR_UART4RST_BIT 19 - #define RCC_APB1RSTR_USART3RST_BIT 18 - #define RCC_APB1RSTR_USART2RST_BIT 17 - #define RCC_APB1RSTR_SPI3RST_BIT 15 - #define RCC_APB1RSTR_SPI2RST_BIT 14 - #define RCC_APB1RSTR_WWDRST_BIT 11 - #define RCC_APB1RSTR_TIM14RST_BIT 8 - #define RCC_APB1RSTR_TIM13RST_BIT 7 - #define RCC_APB1RSTR_TIM12RST_BIT 6 - #define RCC_APB1RSTR_TIM7RST_BIT 5 - #define RCC_APB1RSTR_TIM6RST_BIT 4 - #define RCC_APB1RSTR_TIM5RST_BIT 3 - #define RCC_APB1RSTR_TIM4RST_BIT 2 - #define RCC_APB1RSTR_TIM3RST_BIT 1 - #define RCC_APB1RSTR_TIM2RST_BIT 0 - - #define RCC_APB1RSTR_DACRST (1U << RCC_APB1RSTR_DACRST_BIT) - #define RCC_APB1RSTR_PWRRST (1U << RCC_APB1RSTR_PWRRST_BIT) - #define RCC_APB1RSTR_BKPRST (1U << RCC_APB1RSTR_BKPRST_BIT) - #define RCC_APB1RSTR_CANRST (1U << RCC_APB1RSTR_CANRST_BIT) - #define RCC_APB1RSTR_USBRST (1U << RCC_APB1RSTR_USBRST_BIT) - #define RCC_APB1RSTR_I2C2RST (1U << RCC_APB1RSTR_I2C2RST_BIT) - #define RCC_APB1RSTR_I2C1RST (1U << RCC_APB1RSTR_I2C1RST_BIT) - #define RCC_APB1RSTR_UART5RST (1U << RCC_APB1RSTR_UART5RST_BIT) - #define RCC_APB1RSTR_UART4RST (1U << RCC_APB1RSTR_UART4RST_BIT) - #define RCC_APB1RSTR_USART3RST (1U << RCC_APB1RSTR_USART3RST_BIT) - #define RCC_APB1RSTR_USART2RST (1U << RCC_APB1RSTR_USART2RST_BIT) - #define RCC_APB1RSTR_SPI3RST (1U << RCC_APB1RSTR_SPI3RST_BIT) - #define RCC_APB1RSTR_SPI2RST (1U << RCC_APB1RSTR_SPI2RST_BIT) - #define RCC_APB1RSTR_WWDRST (1U << RCC_APB1RSTR_WWDRST_BIT) - #define RCC_APB1RSTR_TIM14RST (1U << RCC_APB1RSTR_TIM14RST_BIT) - #define RCC_APB1RSTR_TIM13RST (1U << RCC_APB1RSTR_TIM13RST_BIT) - #define RCC_APB1RSTR_TIM12RST (1U << RCC_APB1RSTR_TIM12RST_BIT) - #define RCC_APB1RSTR_TIM7RST (1U << RCC_APB1RSTR_TIM7RST_BIT) - #define RCC_APB1RSTR_TIM6RST (1U << RCC_APB1RSTR_TIM6RST_BIT) - #define RCC_APB1RSTR_TIM5RST (1U << RCC_APB1RSTR_TIM5RST_BIT) - #define RCC_APB1RSTR_TIM4RST (1U << RCC_APB1RSTR_TIM4RST_BIT) - #define RCC_APB1RSTR_TIM3RST (1U << RCC_APB1RSTR_TIM3RST_BIT) - #define RCC_APB1RSTR_TIM2RST (1U << RCC_APB1RSTR_TIM2RST_BIT) - -Peripheral clock enable registers -+++++++++++++++++++++++++++++++++ - -:: - - #define RCC_AHBENR_SDIOEN_BIT 10 - #define RCC_AHBENR_FSMCEN_BIT 8 - #define RCC_AHBENR_CRCEN_BIT 7 - #define RCC_AHBENR_FLITFEN_BIT 4 - #define RCC_AHBENR_SRAMEN_BIT 2 - #define RCC_AHBENR_DMA2EN_BIT 1 - #define RCC_AHBENR_DMA1EN_BIT 0 - - #define RCC_AHBENR_SDIOEN (1U << RCC_AHBENR_SDIOEN_BIT) - #define RCC_AHBENR_FSMCEN (1U << RCC_AHBENR_FSMCEN_BIT) - #define RCC_AHBENR_CRCEN (1U << RCC_AHBENR_CRCEN_BIT) - #define RCC_AHBENR_FLITFEN (1U << RCC_AHBENR_FLITFEN_BIT) - #define RCC_AHBENR_SRAMEN (1U << RCC_AHBENR_SRAMEN_BIT) - #define RCC_AHBENR_DMA2EN (1U << RCC_AHBENR_DMA2EN_BIT) - #define RCC_AHBENR_DMA1EN (1U << RCC_AHBENR_DMA1EN_BIT) - - #define RCC_APB2ENR_TIM11EN_BIT 21 - #define RCC_APB2ENR_TIM10EN_BIT 20 - #define RCC_APB2ENR_TIM9EN_BIT 19 - #define RCC_APB2ENR_ADC3EN_BIT 15 - #define RCC_APB2ENR_USART1EN_BIT 14 - #define RCC_APB2ENR_TIM8EN_BIT 13 - #define RCC_APB2ENR_SPI1EN_BIT 12 - #define RCC_APB2ENR_TIM1EN_BIT 11 - #define RCC_APB2ENR_ADC2EN_BIT 10 - #define RCC_APB2ENR_ADC1EN_BIT 9 - #define RCC_APB2ENR_IOPGEN_BIT 8 - #define RCC_APB2ENR_IOPFEN_BIT 7 - #define RCC_APB2ENR_IOPEEN_BIT 6 - #define RCC_APB2ENR_IOPDEN_BIT 5 - #define RCC_APB2ENR_IOPCEN_BIT 4 - #define RCC_APB2ENR_IOPBEN_BIT 3 - #define RCC_APB2ENR_IOPAEN_BIT 2 - #define RCC_APB2ENR_AFIOEN_BIT 0 - - #define RCC_APB2ENR_TIM11EN (1U << RCC_APB2ENR_TIM11EN_BIT) - #define RCC_APB2ENR_TIM10EN (1U << RCC_APB2ENR_TIM10EN_BIT) - #define RCC_APB2ENR_TIM9EN (1U << RCC_APB2ENR_TIM9EN_BIT) - #define RCC_APB2ENR_ADC3EN (1U << RCC_APB2ENR_ADC3EN_BIT) - #define RCC_APB2ENR_USART1EN (1U << RCC_APB2ENR_USART1EN_BIT) - #define RCC_APB2ENR_TIM8EN (1U << RCC_APB2ENR_TIM8EN_BIT) - #define RCC_APB2ENR_SPI1EN (1U << RCC_APB2ENR_SPI1EN_BIT) - #define RCC_APB2ENR_TIM1EN (1U << RCC_APB2ENR_TIM1EN_BIT) - #define RCC_APB2ENR_ADC2EN (1U << RCC_APB2ENR_ADC2EN_BIT) - #define RCC_APB2ENR_ADC1EN (1U << RCC_APB2ENR_ADC1EN_BIT) - #define RCC_APB2ENR_IOPGEN (1U << RCC_APB2ENR_IOPGEN_BIT) - #define RCC_APB2ENR_IOPFEN (1U << RCC_APB2ENR_IOPFEN_BIT) - #define RCC_APB2ENR_IOPEEN (1U << RCC_APB2ENR_IOPEEN_BIT) - #define RCC_APB2ENR_IOPDEN (1U << RCC_APB2ENR_IOPDEN_BIT) - #define RCC_APB2ENR_IOPCEN (1U << RCC_APB2ENR_IOPCEN_BIT) - #define RCC_APB2ENR_IOPBEN (1U << RCC_APB2ENR_IOPBEN_BIT) - #define RCC_APB2ENR_IOPAEN (1U << RCC_APB2ENR_IOPAEN_BIT) - #define RCC_APB2ENR_AFIOEN (1U << RCC_APB2ENR_AFIOEN_BIT) - - #define RCC_APB1ENR_DACEN_BIT 29 - #define RCC_APB1ENR_PWREN_BIT 28 - #define RCC_APB1ENR_BKPEN_BIT 27 - #define RCC_APB1ENR_CANEN_BIT 25 - #define RCC_APB1ENR_USBEN_BIT 23 - #define RCC_APB1ENR_I2C2EN_BIT 22 - #define RCC_APB1ENR_I2C1EN_BIT 21 - #define RCC_APB1ENR_UART5EN_BIT 20 - #define RCC_APB1ENR_UART4EN_BIT 19 - #define RCC_APB1ENR_USART3EN_BIT 18 - #define RCC_APB1ENR_USART2EN_BIT 17 - #define RCC_APB1ENR_SPI3EN_BIT 15 - #define RCC_APB1ENR_SPI2EN_BIT 14 - #define RCC_APB1ENR_WWDEN_BIT 11 - #define RCC_APB1ENR_TIM14EN_BIT 8 - #define RCC_APB1ENR_TIM13EN_BIT 7 - #define RCC_APB1ENR_TIM12EN_BIT 6 - #define RCC_APB1ENR_TIM7EN_BIT 5 - #define RCC_APB1ENR_TIM6EN_BIT 4 - #define RCC_APB1ENR_TIM5EN_BIT 3 - #define RCC_APB1ENR_TIM4EN_BIT 2 - #define RCC_APB1ENR_TIM3EN_BIT 1 - #define RCC_APB1ENR_TIM2EN_BIT 0 - - #define RCC_APB1ENR_DACEN (1U << RCC_APB1ENR_DACEN_BIT) - #define RCC_APB1ENR_PWREN (1U << RCC_APB1ENR_PWREN_BIT) - #define RCC_APB1ENR_BKPEN (1U << RCC_APB1ENR_BKPEN_BIT) - #define RCC_APB1ENR_CANEN (1U << RCC_APB1ENR_CANEN_BIT) - #define RCC_APB1ENR_USBEN (1U << RCC_APB1ENR_USBEN_BIT) - #define RCC_APB1ENR_I2C2EN (1U << RCC_APB1ENR_I2C2EN_BIT) - #define RCC_APB1ENR_I2C1EN (1U << RCC_APB1ENR_I2C1EN_BIT) - #define RCC_APB1ENR_UART5EN (1U << RCC_APB1ENR_UART5EN_BIT) - #define RCC_APB1ENR_UART4EN (1U << RCC_APB1ENR_UART4EN_BIT) - #define RCC_APB1ENR_USART3EN (1U << RCC_APB1ENR_USART3EN_BIT) - #define RCC_APB1ENR_USART2EN (1U << RCC_APB1ENR_USART2EN_BIT) - #define RCC_APB1ENR_SPI3EN (1U << RCC_APB1ENR_SPI3EN_BIT) - #define RCC_APB1ENR_SPI2EN (1U << RCC_APB1ENR_SPI2EN_BIT) - #define RCC_APB1ENR_WWDEN (1U << RCC_APB1ENR_WWDEN_BIT) - #define RCC_APB1ENR_TIM14EN (1U << RCC_APB1ENR_TIM14EN_BIT) - #define RCC_APB1ENR_TIM13EN (1U << RCC_APB1ENR_TIM13EN_BIT) - #define RCC_APB1ENR_TIM12EN (1U << RCC_APB1ENR_TIM12EN_BIT) - #define RCC_APB1ENR_TIM7EN (1U << RCC_APB1ENR_TIM7EN_BIT) - #define RCC_APB1ENR_TIM6EN (1U << RCC_APB1ENR_TIM6EN_BIT) - #define RCC_APB1ENR_TIM5EN (1U << RCC_APB1ENR_TIM5EN_BIT) - #define RCC_APB1ENR_TIM4EN (1U << RCC_APB1ENR_TIM4EN_BIT) - #define RCC_APB1ENR_TIM3EN (1U << RCC_APB1ENR_TIM3EN_BIT) - #define RCC_APB1ENR_TIM2EN (1U << RCC_APB1ENR_TIM2EN_BIT) - -Backup domain control register -++++++++++++++++++++++++++++++ - -:: - - #define RCC_BDCR_BDRST_BIT 16 - #define RCC_BDCR_RTCEN_BIT 15 - #define RCC_BDCR_LSEBYP_BIT 2 - #define RCC_BDCR_LSERDY_BIT 1 - #define RCC_BDCR_LSEON_BIT 0 - - #define RCC_BDCR_BDRST (1U << RCC_BDCR_BDRST_BIT) - #define RCC_BDCR_RTCEN (1U << RCC_BDCR_RTC_BIT) - #define RCC_BDCR_RTCSEL (0x3 << 8) - #define RCC_BDCR_RTCSEL_NONE (0x0 << 8) - #define RCC_BDCR_RTCSEL_LSE (0x1 << 8) - #define RCC_BDCR_RTCSEL_HSE (0x3 << 8) - #define RCC_BDCR_LSEBYP (1U << RCC_BDCR_LSEBYP_BIT) - #define RCC_BDCR_LSERDY (1U << RCC_BDCR_LSERDY_BIT) - #define RCC_BDCR_LSEON (1U << RCC_BDCR_LSEON_BIT) - -Control/status register -+++++++++++++++++++++++ - -:: - - #define RCC_CSR_LPWRRSTF_BIT 31 - #define RCC_CSR_WWDGRSTF_BIT 30 - #define RCC_CSR_IWDGRSTF_BIT 29 - #define RCC_CSR_SFTRSTF_BIT 28 - #define RCC_CSR_PORRSTF_BIT 27 - #define RCC_CSR_PINRSTF_BIT 26 - #define RCC_CSR_RMVF_BIT 24 - #define RCC_CSR_LSIRDY_BIT 1 - #define RCC_CSR_LSION_BIT 0 - - #define RCC_CSR_LPWRRSTF (1U << RCC_CSR_LPWRRSTF_BIT) - #define RCC_CSR_WWDGRSTF (1U << RCC_CSR_WWDGRSTF_BIT) - #define RCC_CSR_IWDGRSTF (1U << RCC_CSR_IWDGRSTF_BIT) - #define RCC_CSR_SFTRSTF (1U << RCC_CSR_SFTRSTF_BIT) - #define RCC_CSR_PORRSTF (1U << RCC_CSR_PORRSTF_BIT) - #define RCC_CSR_PINRSTF (1U << RCC_CSR_PINRSTF_BIT) - #define RCC_CSR_RMVF (1U << RCC_CSR_RMVF_BIT) - #define RCC_CSR_LSIRDY (1U << RCC_CSR_LSIRDY_BIT) - #define RCC_CSR_LSION (1U << RCC_CSR_LSION_BIT) - -STM32F2 Targets -~~~~~~~~~~~~~~~ - -Clock control register -++++++++++++++++++++++ - -:: - - #define RCC_CR_PLLI2SRDY_BIT 27 - #define RCC_CR_PLLI2SON_BIT 26 - #define RCC_CR_PLLRDY_BIT 25 - #define RCC_CR_PLLON_BIT 24 - #define RCC_CR_CSSON_BIT 19 - #define RCC_CR_HSEBYP_BIT 18 - #define RCC_CR_HSERDY_BIT 17 - #define RCC_CR_HSEON_BIT 16 - #define RCC_CR_HSIRDY_BIT 1 - #define RCC_CR_HSION_BIT 0 - - #define RCC_CR_PLLI2SRDY (1U << RCC_CR_PLLI2SRDY_BIT) - #define RCC_CR_PLLI2SON (1U << RCC_CR_PLLI2SON_BIT) - #define RCC_CR_PLLRDY (1U << RCC_CR_PLLRDY_BIT) - #define RCC_CR_PLLON (1U << RCC_CR_PLLON_BIT) - #define RCC_CR_CSSON (1U << RCC_CR_CSSON_BIT) - #define RCC_CR_HSEBYP (1U << RCC_CR_HSEBYP_BIT) - #define RCC_CR_HSERDY (1U << RCC_CR_HSERDY_BIT) - #define RCC_CR_HSEON (1U << RCC_CR_HSEON_BIT) - #define RCC_CR_HSICAL (0xFF << 8) - #define RCC_CR_HSITRIM (0x1F << 3) - #define RCC_CR_HSIRDY (1U << RCC_CR_HSIRDY_BIT) - #define RCC_CR_HSION (1U << RCC_CR_HSION_BIT) - -PLL configuration register -++++++++++++++++++++++++++ - -:: - - #define RCC_PLLCFGR_PLLSRC_BIT 22 - - #define RCC_PLLCFGR_PLLQ (0xF << 24) - #define RCC_PLLCFGR_PLLSRC (1U << RCC_PLLCFGR_PLLSRC_BIT) - #define RCC_PLLCFGR_PLLSRC_HSI (0x0 << RCC_PLLCFGR_PLLSRC_BIT) - #define RCC_PLLCFGR_PLLSRC_HSE (0x1 << RCC_PLLCFGR_PLLSRC_BIT) - #define RCC_PLLCFGR_PLLP (0x3 << 16) - #define RCC_PLLCFGR_PLLN (0x1FF << 6) - #define RCC_PLLCFGR_PLLM 0x1F - -Clock configuration register -++++++++++++++++++++++++++++ - -:: - - #define RCC_CFGR_I2SSRC_BIT 23 - - #define RCC_CFGR_MCO2 (0x3 << 30) - #define RCC_CFGR_MCO2_SYSCLK (0x0 << 30) - #define RCC_CFGR_MCO2_PLLI2S (0x1 << 30) - #define RCC_CFGR_MCO2_HSE (0x2 << 30) - #define RCC_CFGR_MCO2_PLL (0x3 << 30) - - #define RCC_CFGR_MCO2PRE (0x7 << 27) - #define RCC_CFGR_MCO2PRE_DIV_1 (0x0 << 27) - #define RCC_CFGR_MCO2PRE_DIV_2 (0x4 << 27) - #define RCC_CFGR_MCO2PRE_DIV_3 (0x5 << 27) - #define RCC_CFGR_MCO2PRE_DIV_4 (0x6 << 27) - #define RCC_CFGR_MCO2PRE_DIV_5 (0x7 << 27) - - #define RCC_CFGR_MCO1PRE (0x7 << 24) - #define RCC_CFGR_MCO1PRE_DIV_1 (0x0 << 24) - #define RCC_CFGR_MCO1PRE_DIV_2 (0x4 << 24) - #define RCC_CFGR_MCO1PRE_DIV_3 (0x5 << 24) - #define RCC_CFGR_MCO1PRE_DIV_4 (0x6 << 24) - #define RCC_CFGR_MCO1PRE_DIV_5 (0x7 << 24) - - #define RCC_CFGR_I2SSRC (1U << RCC_CFGR_I2SSRC_BIT) - #define RCC_CFGR_I2SSRC_PLLI2S (0 << RCC_CFGR_I2SSRC_BIT) - #define RCC_CFGR_I2SSRC_I2S_CKIN (1 << RCC_CFGR_I2SSRC_BIT) - - #define RCC_CFGR_MCO1 (0x3 << 21) - #define RCC_CFGR_MCO1_HSI (0x0 << 21) - #define RCC_CFGR_MCO1_LSE (0x1 << 21) - #define RCC_CFGR_MCO1_HSE (0x2 << 21) - #define RCC_CFGR_MCO1_PLL (0x3 << 21) - - #define RCC_CFGR_RTCPRE (0x1F << 16) - - /* Skipped: all the 0b0xx values meaning "not divided" */ - #define RCC_CFGR_PPRE2 (0x7 << 13) - #define RCC_CFGR_PPRE2_AHB_DIV_2 (0x4 << 13) - #define RCC_CFGR_PPRE2_AHB_DIV_4 (0x5 << 13) - #define RCC_CFGR_PPRE2_AHB_DIV_8 (0x6 << 13) - #define RCC_CFGR_PPRE2_AHB_DIV_16 (0x7 << 13) - - /* Skipped: all the 0b0xx values meaning "not divided" */ - #define RCC_CFGR_PPRE1 (0x7 << 10) - #define RCC_CFGR_PPRE1_AHB_DIV_2 (0x4 << 10) - #define RCC_CFGR_PPRE1_AHB_DIV_4 (0x5 << 10) - #define RCC_CFGR_PPRE1_AHB_DIV_8 (0x6 << 10) - #define RCC_CFGR_PPRE1_AHB_DIV_16 (0x7 << 10) - - /* Skipped: all the 0b0xxx values meaning "not divided" */ - #define RCC_CFGR_HPRE (0xF << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_2 (0x8 << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_4 (0x9 << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_8 (0xA << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_16 (0xB << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_64 (0xC << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_128 (0xD << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_256 (0xE << 4) - #define RCC_CFGR_HPRE_SYSCLK_DIV_512 (0xF << 4) - - #define RCC_CFGR_SWS (0x3 << 2) - #define RCC_CFGR_SWS_HSI (0x0 << 2) - #define RCC_CFGR_SWS_HSE (0x1 << 2) - #define RCC_CFGR_SWS_PLL (0x2 << 2) - - #define RCC_CFGR_SW 0x3 - #define RCC_CFGR_SW_HSI 0x0 - #define RCC_CFGR_SW_HSE 0x1 - #define RCC_CFGR_SW_PLL 0x2 - -Clock interrupt register -++++++++++++++++++++++++ - -:: - - #define RCC_CIR_CSSC_BIT 23 - - #define RCC_CIR_PLLI2SRDYC_BIT 21 - #define RCC_CIR_PLLRDYC_BIT 20 - #define RCC_CIR_HSERDYC_BIT 19 - #define RCC_CIR_HSIRDYC_BIT 18 - #define RCC_CIR_LSERDYC_BIT 17 - #define RCC_CIR_LSIRDYC_BIT 16 - - #define RCC_CIR_PLLI2SRDYIE_BIT 13 - #define RCC_CIR_PLLRDYIE_BIT 12 - #define RCC_CIR_HSERDYIE_BIT 11 - #define RCC_CIR_HSIRDYIE_BIT 10 - #define RCC_CIR_LSERDYIE_BIT 9 - #define RCC_CIR_LSIRDYIE_BIT 8 - - #define RCC_CIR_CSSF_BIT 7 - - #define RCC_CIR_PLLI2SRDYF_BIT 5 - #define RCC_CIR_PLLRDYF_BIT 4 - #define RCC_CIR_HSERDYF_BIT 3 - #define RCC_CIR_HSIRDYF_BIT 2 - #define RCC_CIR_LSERDYF_BIT 1 - #define RCC_CIR_LSIRDYF_BIT 0 - - #define RCC_CIR_CSSC (1U << RCC_CIR_CSSC_BIT) - - #define RCC_CIR_PLLI2SRDYC (1U << RCC_CIR_PLLI2SRDYC_BIT) - #define RCC_CIR_PLLRDYC (1U << RCC_CIR_PLLRDYC_BIT) - #define RCC_CIR_HSERDYC (1U << RCC_CIR_HSERDYC_BIT) - #define RCC_CIR_HSIRDYC (1U << RCC_CIR_HSIRDYC_BIT) - #define RCC_CIR_LSERDYC (1U << RCC_CIR_LSERDYC_BIT) - #define RCC_CIR_LSIRDYC (1U << RCC_CIR_LSIRDYC_BIT) - - #define RCC_CIR_PLLI2SRDYIE (1U << RCC_CIR_PLLI2SRDYIE_BIT) - #define RCC_CIR_PLLRDYIE (1U << RCC_CIR_PLLRDYIE_BIT) - #define RCC_CIR_HSERDYIE (1U << RCC_CIR_HSERDYIE_BIT) - #define RCC_CIR_HSIRDYIE (1U << RCC_CIR_HSIRDYIE_BIT) - #define RCC_CIR_LSERDYIE (1U << RCC_CIR_LSERDYIE_BIT) - #define RCC_CIR_LSIRDYIE (1U << RCC_CIR_LSIRDYIE_BIT) - - #define RCC_CIR_CSSF (1U << RCC_CIR_CSSF_BIT) - - #define RCC_CIR_PLLI2SRDYF (1U << RCC_CIR_PLLI2SRDYF_BIT) - #define RCC_CIR_PLLRDYF (1U << RCC_CIR_PLLRDYF_BIT) - #define RCC_CIR_HSERDYF (1U << RCC_CIR_HSERDYF_BIT) - #define RCC_CIR_HSIRDYF (1U << RCC_CIR_HSIRDYF_BIT) - #define RCC_CIR_LSERDYF (1U << RCC_CIR_LSERDYF_BIT) - #define RCC_CIR_LSIRDYF (1U << RCC_CIR_LSIRDYF_BIT) - -Peripheral reset registers -++++++++++++++++++++++++++ - -:: - - /* AHB1 */ - - #define RCC_AHB1RSTR_OTGHSRST_BIT 29 - #define RCC_AHB1RSTR_ETHMACRST_BIT 25 - #define RCC_AHB1RSTR_DMA2RST_BIT 22 - #define RCC_AHB1RSTR_DMA1RST_BIT 21 - #define RCC_AHB1RSTR_CRCRST_BIT 12 - #define RCC_AHB1RSTR_GPIOIRST_BIT 8 - #define RCC_AHB1RSTR_GPIOHRST_BIT 7 - #define RCC_AHB1RSTR_GPIOGRST_BIT 6 - #define RCC_AHB1RSTR_GPIOFRST_BIT 5 - #define RCC_AHB1RSTR_GPIOERST_BIT 4 - #define RCC_AHB1RSTR_GPIODRST_BIT 3 - #define RCC_AHB1RSTR_GPIOCRST_BIT 2 - #define RCC_AHB1RSTR_GPIOBRST_BIT 1 - #define RCC_AHB1RSTR_GPIOARST_BIT 0 - - #define RCC_AHB1RSTR_OTGHSRST (1U << RCC_AHB1RSTR_OTGHSRST_BIT) - #define RCC_AHB1RSTR_ETHMACRST (1U << RCC_AHB1RSTR_ETHMACRST_BIT) - #define RCC_AHB1RSTR_DMA2RST (1U << RCC_AHB1RSTR_DMA2RST_BIT) - #define RCC_AHB1RSTR_DMA1RST (1U << RCC_AHB1RSTR_DMA1RST_BIT) - #define RCC_AHB1RSTR_CRCRST (1U << RCC_AHB1RSTR_CRCRST_BIT) - #define RCC_AHB1RSTR_GPIOIRST (1U << RCC_AHB1RSTR_GPIOIRST_BIT) - #define RCC_AHB1RSTR_GPIOHRST (1U << RCC_AHB1RSTR_GPIOHRST_BIT) - #define RCC_AHB1RSTR_GPIOGRST (1U << RCC_AHB1RSTR_GPIOGRST_BIT) - #define RCC_AHB1RSTR_GPIOFRST (1U << RCC_AHB1RSTR_GPIOFRST_BIT) - #define RCC_AHB1RSTR_GPIOERST (1U << RCC_AHB1RSTR_GPIOERST_BIT) - #define RCC_AHB1RSTR_GPIODRST (1U << RCC_AHB1RSTR_GPIODRST_BIT) - #define RCC_AHB1RSTR_GPIOCRST (1U << RCC_AHB1RSTR_GPIOCRST_BIT) - #define RCC_AHB1RSTR_GPIOBRST (1U << RCC_AHB1RSTR_GPIOBRST_BIT) - #define RCC_AHB1RSTR_GPIOARST (1U << RCC_AHB1RSTR_GPIOARST_BIT) - - /* AHB2 */ - - #define RCC_AHB2RSTR_OTGFSRST_BIT 7 - #define RCC_AHB2RSTR_RNGRST_BIT 6 - #define RCC_AHB2RSTR_HASHRST_BIT 5 - #define RCC_AHB2RSTR_CRYPRST_BIT 4 - #define RCC_AHB2RSTR_DCMIRST_BIT 0 - - #define RCC_AHB2RSTR_OTGFSRST (1U << RCC_AHB2RSTR_OTGFSRST_BIT) - #define RCC_AHB2RSTR_RNGRST (1U << RCC_AHB2RSTR_RNGRST_BIT) - #define RCC_AHB2RSTR_HASHRST (1U << RCC_AHB2RSTR_HASHRST_BIT) - #define RCC_AHB2RSTR_CRYPRST (1U << RCC_AHB2RSTR_CRYPRST_BIT) - #define RCC_AHB2RSTR_DCMIRST (1U << RCC_AHB2RSTR_DCMIRST_BIT) - - /* AHB3 */ - - #define RCC_AHB3RSTR_FSMCRST_BIT 0 - - #define RCC_AHB3RSTR_FSMCRST (1U << RCC_AHB3RSTR_FSMCRST_BIT) - - /* APB1 */ - - #define RCC_APB1RSTR_DACRST_BIT 29 - #define RCC_APB1RSTR_PWRRST_BIT 28 - #define RCC_APB1RSTR_CAN2RST_BIT 26 - #define RCC_APB1RSTR_CAN1RST_BIT 25 - #define RCC_APB1RSTR_I2C3RST_BIT 23 - #define RCC_APB1RSTR_I2C2RST_BIT 22 - #define RCC_APB1RSTR_I2C1RST_BIT 21 - #define RCC_APB1RSTR_UART5RST_BIT 20 - #define RCC_APB1RSTR_UART4RST_BIT 19 - #define RCC_APB1RSTR_UART3RST_BIT 18 - #define RCC_APB1RSTR_UART2RST_BIT 17 - #define RCC_APB1RSTR_SPI3RST_BIT 15 - #define RCC_APB1RSTR_SPI2RST_BIT 14 - #define RCC_APB1RSTR_WWDGRST_BIT 11 - #define RCC_APB1RSTR_TIM14RST_BIT 8 - #define RCC_APB1RSTR_TIM13RST_BIT 7 - #define RCC_APB1RSTR_TIM12RST_BIT 6 - #define RCC_APB1RSTR_TIM7RST_BIT 5 - #define RCC_APB1RSTR_TIM6RST_BIT 4 - #define RCC_APB1RSTR_TIM5RST_BIT 3 - #define RCC_APB1RSTR_TIM4RST_BIT 2 - #define RCC_APB1RSTR_TIM3RST_BIT 1 - #define RCC_APB1RSTR_TIM2RST_BIT 0 - - #define RCC_APB1RSTR_DACRST (1U << RCC_APB1RSTR_DACRST_BIT) - #define RCC_APB1RSTR_PWRRST (1U << RCC_APB1RSTR_PWRRST_BIT) - #define RCC_APB1RSTR_CAN2RST (1U << RCC_APB1RSTR_CAN2RST_BIT) - #define RCC_APB1RSTR_CAN1RST (1U << RCC_APB1RSTR_CAN1RST_BIT) - #define RCC_APB1RSTR_I2C3RST (1U << RCC_APB1RSTR_I2C3RST_BIT) - #define RCC_APB1RSTR_I2C2RST (1U << RCC_APB1RSTR_I2C2RST_BIT) - #define RCC_APB1RSTR_I2C1RST (1U << RCC_APB1RSTR_I2C1RST_BIT) - #define RCC_APB1RSTR_UART5RST (1U << RCC_APB1RSTR_UART5RST_BIT) - #define RCC_APB1RSTR_UART4RST (1U << RCC_APB1RSTR_UART4RST_BIT) - #define RCC_APB1RSTR_UART3RST (1U << RCC_APB1RSTR_UART3RST_BIT) - #define RCC_APB1RSTR_UART2RST (1U << RCC_APB1RSTR_UART2RST_BIT) - #define RCC_APB1RSTR_SPI3RST (1U << RCC_APB1RSTR_SPI3RST_BIT) - #define RCC_APB1RSTR_SPI2RST (1U << RCC_APB1RSTR_SPI2RST_BIT) - #define RCC_APB1RSTR_WWDGRST (1U << RCC_APB1RSTR_WWDGRST_BIT) - #define RCC_APB1RSTR_TIM14RST (1U << RCC_APB1RSTR_TIM14RST_BIT) - #define RCC_APB1RSTR_TIM13RST (1U << RCC_APB1RSTR_TIM13RST_BIT) - #define RCC_APB1RSTR_TIM12RST (1U << RCC_APB1RSTR_TIM12RST_BIT) - #define RCC_APB1RSTR_TIM7RST (1U << RCC_APB1RSTR_TIM7RST_BIT) - #define RCC_APB1RSTR_TIM6RST (1U << RCC_APB1RSTR_TIM6RST_BIT) - #define RCC_APB1RSTR_TIM5RST (1U << RCC_APB1RSTR_TIM5RST_BIT) - #define RCC_APB1RSTR_TIM4RST (1U << RCC_APB1RSTR_TIM4RST_BIT) - #define RCC_APB1RSTR_TIM3RST (1U << RCC_APB1RSTR_TIM3RST_BIT) - #define RCC_APB1RSTR_TIM2RST (1U << RCC_APB1RSTR_TIM2RST_BIT) - - /* APB2 */ - - #define RCC_APB2RSTR_TIM11RST_BIT 18 - #define RCC_APB2RSTR_TIM10RST_BIT 17 - #define RCC_APB2RSTR_TIM9RST_BIT 16 - #define RCC_APB2RSTR_SYSCFGRST_BIT 14 - #define RCC_APB2RSTR_SPI1RST_BIT 12 - #define RCC_APB2RSTR_SDIORST_BIT 11 - #define RCC_APB2RSTR_ADCRST_BIT 8 - #define RCC_APB2RSTR_USART6RST_BIT 5 - #define RCC_APB2RSTR_USART1RST_BIT 4 - #define RCC_APB2RSTR_TIM8RST_BIT 1 - #define RCC_APB2RSTR_TIM1RST_BIT 0 - - #define RCC_APB2RSTR_TIM11RST (1U << RCC_APB2RSTR_TIM11RST_BIT) - #define RCC_APB2RSTR_TIM10RST (1U << RCC_APB2RSTR_TIM10RST_BIT) - #define RCC_APB2RSTR_TIM9RST (1U << RCC_APB2RSTR_TIM9RST_BIT) - #define RCC_APB2RSTR_SYSCFGRST (1U << RCC_APB2RSTR_SYSCFGRST_BIT) - #define RCC_APB2RSTR_SPI1RST (1U << RCC_APB2RSTR_SPI1RST_BIT) - #define RCC_APB2RSTR_SDIORST (1U << RCC_APB2RSTR_SDIORST_BIT) - #define RCC_APB2RSTR_ADCRST (1U << RCC_APB2RSTR_ADCRST_BIT) - #define RCC_APB2RSTR_USART6RST (1U << RCC_APB2RSTR_USART6RST_BIT) - #define RCC_APB2RSTR_USART1RST (1U << RCC_APB2RSTR_USART1RST_BIT) - #define RCC_APB2RSTR_TIM8RST (1U << RCC_APB2RSTR_TIM8RST_BIT) - #define RCC_APB2RSTR_TIM1RST (1U << RCC_APB2RSTR_TIM1RST_BIT) - -Peripheral clock enable registers -+++++++++++++++++++++++++++++++++ - -:: - - /* AHB1 */ - - #define RCC_AHB1ENR_OTGHSULPIEN_BIT 30 - #define RCC_AHB1ENR_OTGHSEN_BIT 29 - #define RCC_AHB1ENR_ETHMACPTPEN_BIT 28 - #define RCC_AHB1ENR_ETHMACRXEN_BIT 27 - #define RCC_AHB1ENR_ETHMACTXEN_BIT 26 - #define RCC_AHB1ENR_ETHMACEN_BIT 25 - #define RCC_AHB1ENR_DMA2EN_BIT 22 - #define RCC_AHB1ENR_DMA1EN_BIT 21 - #define RCC_AHB1ENR_BKPSRAMEN_BIT 18 - #define RCC_AHB1ENR_CRCEN_BIT 12 - #define RCC_AHB1ENR_GPIOIEN_BIT 8 - #define RCC_AHB1ENR_GPIOHEN_BIT 7 - #define RCC_AHB1ENR_GPIOGEN_BIT 6 - #define RCC_AHB1ENR_GPIOFEN_BIT 5 - #define RCC_AHB1ENR_GPIOEEN_BIT 4 - #define RCC_AHB1ENR_GPIODEN_BIT 3 - #define RCC_AHB1ENR_GPIOCEN_BIT 2 - #define RCC_AHB1ENR_GPIOBEN_BIT 1 - #define RCC_AHB1ENR_GPIOAEN_BIT 0 - - #define RCC_AHB1ENR_OTGHSULPIEN (1U << RCC_AHB1ENR_OTGHSULPIEN_BIT) - #define RCC_AHB1ENR_OTGHSEN (1U << RCC_AHB1ENR_OTGHSEN_BIT) - #define RCC_AHB1ENR_ETHMACPTPEN (1U << RCC_AHB1ENR_ETHMACPTPEN_BIT) - #define RCC_AHB1ENR_ETHMACRXEN (1U << RCC_AHB1ENR_ETHMACRXEN_BIT) - #define RCC_AHB1ENR_ETHMACTXEN (1U << RCC_AHB1ENR_ETHMACTXEN_BIT) - #define RCC_AHB1ENR_ETHMACEN (1U << RCC_AHB1ENR_ETHMACEN_BIT) - #define RCC_AHB1ENR_DMA2EN (1U << RCC_AHB1ENR_DMA2EN_BIT) - #define RCC_AHB1ENR_DMA1EN (1U << RCC_AHB1ENR_DMA1EN_BIT) - #define RCC_AHB1ENR_BKPSRAMEN (1U << RCC_AHB1ENR_BKPSRAMEN_BIT) - #define RCC_AHB1ENR_CRCEN (1U << RCC_AHB1ENR_CRCEN_BIT) - #define RCC_AHB1ENR_GPIOIEN (1U << RCC_AHB1ENR_GPIOIEN_BIT) - #define RCC_AHB1ENR_GPIOHEN (1U << RCC_AHB1ENR_GPIOHEN_BIT) - #define RCC_AHB1ENR_GPIOGEN (1U << RCC_AHB1ENR_GPIOGEN_BIT) - #define RCC_AHB1ENR_GPIOFEN (1U << RCC_AHB1ENR_GPIOFEN_BIT) - #define RCC_AHB1ENR_GPIOEEN (1U << RCC_AHB1ENR_GPIOEEN_BIT) - #define RCC_AHB1ENR_GPIODEN (1U << RCC_AHB1ENR_GPIODEN_BIT) - #define RCC_AHB1ENR_GPIOCEN (1U << RCC_AHB1ENR_GPIOCEN_BIT) - #define RCC_AHB1ENR_GPIOBEN (1U << RCC_AHB1ENR_GPIOBEN_BIT) - #define RCC_AHB1ENR_GPIOAEN (1U << RCC_AHB1ENR_GPIOAEN_BIT) - - /* AHB2 */ - - #define RCC_AHB2ENR_OTGFSEN_BIT 7 - #define RCC_AHB2ENR_RNGEN_BIT 6 - #define RCC_AHB2ENR_HASHEN_BIT 5 - #define RCC_AHB2ENR_CRYPEN_BIT 4 - #define RCC_AHB2ENR_DCMIEN_BIT 0 - - #define RCC_AHB2ENR_OTGFSEN (1U << RCC_AHB2ENR_OTGFSEN_BIT) - #define RCC_AHB2ENR_RNGEN (1U << RCC_AHB2ENR_RNGEN_BIT) - #define RCC_AHB2ENR_HASHEN (1U << RCC_AHB2ENR_HASHEN_BIT) - #define RCC_AHB2ENR_CRYPEN (1U << RCC_AHB2ENR_CRYPEN_BIT) - #define RCC_AHB2ENR_DCMIEN (1U << RCC_AHB2ENR_DCMIEN_BIT) - - /* AHB3 */ - - #define RCC_AHB3ENR_FSMCEN_BIT 0 - - #define RCC_AHB3ENR_FSMCEN (1U << RCC_AHB3ENR_FSMCEN_BIT) - - /* APB1 */ - - #define RCC_APB1ENR_DACEN_BIT 29 - #define RCC_APB1ENR_PWREN_BIT 28 - #define RCC_APB1ENR_CAN2EN_BIT 26 - #define RCC_APB1ENR_CAN1EN_BIT 25 - #define RCC_APB1ENR_I2C3EN_BIT 23 - #define RCC_APB1ENR_I2C2EN_BIT 22 - #define RCC_APB1ENR_I2C1EN_BIT 21 - #define RCC_APB1ENR_UART5EN_BIT 20 - #define RCC_APB1ENR_UART4EN_BIT 19 - #define RCC_APB1ENR_USART3EN_BIT 18 - #define RCC_APB1ENR_USART2EN_BIT 17 - #define RCC_APB1ENR_SPI3EN_BIT 15 - #define RCC_APB1ENR_SPI2EN_BIT 14 - #define RCC_APB1ENR_WWDGEN_BIT 11 - #define RCC_APB1ENR_TIM14EN_BIT 8 - #define RCC_APB1ENR_TIM13EN_BIT 7 - #define RCC_APB1ENR_TIM12EN_BIT 6 - #define RCC_APB1ENR_TIM7EN_BIT 5 - #define RCC_APB1ENR_TIM6EN_BIT 4 - #define RCC_APB1ENR_TIM5EN_BIT 3 - #define RCC_APB1ENR_TIM4EN_BIT 2 - #define RCC_APB1ENR_TIM3EN_BIT 1 - #define RCC_APB1ENR_TIM2EN_BIT 0 - - #define RCC_APB1ENR_DACEN (1U << RCC_APB1ENR_DACEN_BIT) - #define RCC_APB1ENR_PWREN (1U << RCC_APB1ENR_PWREN_BIT) - #define RCC_APB1ENR_CAN2EN (1U << RCC_APB1ENR_CAN2EN_BIT) - #define RCC_APB1ENR_CAN1EN (1U << RCC_APB1ENR_CAN1EN_BIT) - #define RCC_APB1ENR_I2C3EN (1U << RCC_APB1ENR_I2C3EN_BIT) - #define RCC_APB1ENR_I2C2EN (1U << RCC_APB1ENR_I2C2EN_BIT) - #define RCC_APB1ENR_I2C1EN (1U << RCC_APB1ENR_I2C1EN_BIT) - #define RCC_APB1ENR_UART5EN (1U << RCC_APB1ENR_UART5EN_BIT) - #define RCC_APB1ENR_UART4EN (1U << RCC_APB1ENR_UART4EN_BIT) - #define RCC_APB1ENR_USART3EN (1U << RCC_APB1ENR_USART3EN_BIT) - #define RCC_APB1ENR_USART2EN (1U << RCC_APB1ENR_USART2EN_BIT) - #define RCC_APB1ENR_SPI3EN (1U << RCC_APB1ENR_SPI3EN_BIT) - #define RCC_APB1ENR_SPI2EN (1U << RCC_APB1ENR_SPI2EN_BIT) - #define RCC_APB1ENR_WWDGEN (1U << RCC_APB1ENR_WWDGEN_BIT) - #define RCC_APB1ENR_TIM14EN (1U << RCC_APB1ENR_TIM14EN_BIT) - #define RCC_APB1ENR_TIM13EN (1U << RCC_APB1ENR_TIM13EN_BIT) - #define RCC_APB1ENR_TIM12EN (1U << RCC_APB1ENR_TIM12EN_BIT) - #define RCC_APB1ENR_TIM7EN (1U << RCC_APB1ENR_TIM7EN_BIT) - #define RCC_APB1ENR_TIM6EN (1U << RCC_APB1ENR_TIM6EN_BIT) - #define RCC_APB1ENR_TIM5EN (1U << RCC_APB1ENR_TIM5EN_BIT) - #define RCC_APB1ENR_TIM4EN (1U << RCC_APB1ENR_TIM4EN_BIT) - #define RCC_APB1ENR_TIM3EN (1U << RCC_APB1ENR_TIM3EN_BIT) - #define RCC_APB1ENR_TIM2EN (1U << RCC_APB1ENR_TIM2EN_BIT) - - /* APB2 */ - - #define RCC_APB2ENR_TIM11EN_BIT 18 - #define RCC_APB2ENR_TIM10EN_BIT 17 - #define RCC_APB2ENR_TIM9EN_BIT 16 - #define RCC_APB2ENR_SYSCFGEN_BIT 14 - #define RCC_APB2ENR_SPI1EN_BIT 12 - #define RCC_APB2ENR_SDIOEN_BIT 11 - #define RCC_APB2ENR_ADC3EN_BIT 10 - #define RCC_APB2ENR_ADC2EN_BIT 9 - #define RCC_APB2ENR_ADC1EN_BIT 8 - #define RCC_APB2ENR_USART6EN_BIT 5 - #define RCC_APB2ENR_USART1EN_BIT 4 - #define RCC_APB2ENR_TIM8EN_BIT 1 - #define RCC_APB2ENR_TIM1EN_BIT 0 - - #define RCC_APB2ENR_TIM11EN (1U << RCC_APB2ENR_TIM11EN_BIT) - #define RCC_APB2ENR_TIM10EN (1U << RCC_APB2ENR_TIM10EN_BIT) - #define RCC_APB2ENR_TIM9EN (1U << RCC_APB2ENR_TIM9EN_BIT) - #define RCC_APB2ENR_SYSCFGEN (1U << RCC_APB2ENR_SYSCFGEN_BIT) - #define RCC_APB2ENR_SPI1EN (1U << RCC_APB2ENR_SPI1EN_BIT) - #define RCC_APB2ENR_SDIOEN (1U << RCC_APB2ENR_SDIOEN_BIT) - #define RCC_APB2ENR_ADC3EN (1U << RCC_APB2ENR_ADC3EN_BIT) - #define RCC_APB2ENR_ADC2EN (1U << RCC_APB2ENR_ADC2EN_BIT) - #define RCC_APB2ENR_ADC1EN (1U << RCC_APB2ENR_ADC1EN_BIT) - #define RCC_APB2ENR_USART6EN (1U << RCC_APB2ENR_USART6EN_BIT) - #define RCC_APB2ENR_USART1EN (1U << RCC_APB2ENR_USART1EN_BIT) - #define RCC_APB2ENR_TIM8EN (1U << RCC_APB2ENR_TIM8EN_BIT) - #define RCC_APB2ENR_TIM1EN (1U << RCC_APB2ENR_TIM1EN_BIT) - -Peripheral clock enable in low power mode registers -+++++++++++++++++++++++++++++++++++++++++++++++++++ - -:: - - /* AHB1 */ - - #define RCC_AHB1LPENR_OTGHSULPILPEN_BIT 30 - #define RCC_AHB1LPENR_OTGHSLPEN_BIT 29 - #define RCC_AHB1LPENR_ETHMACPTPLPEN_BIT 28 - #define RCC_AHB1LPENR_ETHMACRXLPEN_BIT 27 - #define RCC_AHB1LPENR_ETHMACTXLPEN_BIT 26 - #define RCC_AHB1LPENR_ETHMACLPEN_BIT 25 - #define RCC_AHB1LPENR_DMA2LPEN_BIT 22 - #define RCC_AHB1LPENR_DMA1LPEN_BIT 21 - #define RCC_AHB1LPENR_BKPSRAMLPEN_BIT 18 - #define RCC_AHB1LPENR_SRAM2LPEN_BIT 17 - #define RCC_AHB1LPENR_SRAM1LPEN_BIT 16 - #define RCC_AHB1LPENR_FLITFLPEN_BIT 15 - #define RCC_AHB1LPENR_CRCLPEN_BIT 12 - #define RCC_AHB1LPENR_GPIOILPEN_BIT 8 - #define RCC_AHB1LPENR_GPIOGLPEN_BIT 6 - #define RCC_AHB1LPENR_GPIOFLPEN_BIT 5 - #define RCC_AHB1LPENR_GPIOELPEN_BIT 4 - #define RCC_AHB1LPENR_GPIODLPEN_BIT 3 - #define RCC_AHB1LPENR_GPIOCLPEN_BIT 2 - #define RCC_AHB1LPENR_GPIOBLPEN_BIT 1 - #define RCC_AHB1LPENR_GPIOALPEN_BIT 0 - - #define RCC_AHB1LPENR_OTGHSULPILPEN (1U << RCC_AHB1LPENR_OTGHSULPILPEN_BIT) - #define RCC_AHB1LPENR_OTGHSLPEN (1U << RCC_AHB1LPENR_OTGHSLPEN_BIT) - #define RCC_AHB1LPENR_ETHMACPTPLPEN (1U << RCC_AHB1LPENR_ETHMACPTPLPEN_BIT) - #define RCC_AHB1LPENR_ETHMACRXLPEN (1U << RCC_AHB1LPENR_ETHMACRXLPEN_BIT) - #define RCC_AHB1LPENR_ETHMACTXLPEN (1U << RCC_AHB1LPENR_ETHMACTXLPEN_BIT) - #define RCC_AHB1LPENR_ETHMACLPEN (1U << RCC_AHB1LPENR_ETHMACLPEN_BIT) - #define RCC_AHB1LPENR_DMA2LPEN (1U << RCC_AHB1LPENR_DMA2LPEN_BIT) - #define RCC_AHB1LPENR_DMA1LPEN (1U << RCC_AHB1LPENR_DMA1LPEN_BIT) - #define RCC_AHB1LPENR_BKPSRAMLPEN (1U << RCC_AHB1LPENR_BKPSRAMLPEN_BIT) - #define RCC_AHB1LPENR_SRAM2LPEN (1U << RCC_AHB1LPENR_SRAM2LPEN_BIT) - #define RCC_AHB1LPENR_SRAM1LPEN (1U << RCC_AHB1LPENR_SRAM1LPEN_BIT) - #define RCC_AHB1LPENR_FLITFLPEN (1U << RCC_AHB1LPENR_FLITFLPEN_BIT) - #define RCC_AHB1LPENR_CRCLPEN (1U << RCC_AHB1LPENR_CRCLPEN_BIT) - #define RCC_AHB1LPENR_GPIOILPEN (1U << RCC_AHB1LPENR_GPIOILPEN_BIT) - #define RCC_AHB1LPENR_GPIOGLPEN (1U << RCC_AHB1LPENR_GPIOGLPEN_BIT) - #define RCC_AHB1LPENR_GPIOFLPEN (1U << RCC_AHB1LPENR_GPIOFLPEN_BIT) - #define RCC_AHB1LPENR_GPIOELPEN (1U << RCC_AHB1LPENR_GPIOELPEN_BIT) - #define RCC_AHB1LPENR_GPIODLPEN (1U << RCC_AHB1LPENR_GPIODLPEN_BIT) - #define RCC_AHB1LPENR_GPIOCLPEN (1U << RCC_AHB1LPENR_GPIOCLPEN_BIT) - #define RCC_AHB1LPENR_GPIOBLPEN (1U << RCC_AHB1LPENR_GPIOBLPEN_BIT) - #define RCC_AHB1LPENR_GPIOALPEN (1U << RCC_AHB1LPENR_GPIOALPEN_BIT) - - /* AHB2 */ - - #define RCC_AHB2LPENR_OTGFSLPEN_BIT 7 - #define RCC_AHB2LPENR_RNGLPEN_BIT 6 - #define RCC_AHB2LPENR_HASHLPEN_BIT 5 - #define RCC_AHB2LPENR_CRYPLPEN_BIT 4 - #define RCC_AHB2LPENR_DCMILPEN_BIT 0 - - #define RCC_AHB2LPENR_OTGFSLPEN (1U << RCC_AHB2LPENR_OTGFSLPEN_BIT) - #define RCC_AHB2LPENR_RNGLPEN (1U << RCC_AHB2LPENR_RNGLPEN_BIT) - #define RCC_AHB2LPENR_HASHLPEN (1U << RCC_AHB2LPENR_HASHLPEN_BIT) - #define RCC_AHB2LPENR_CRYPLPEN (1U << RCC_AHB2LPENR_CRYPLPEN_BIT) - #define RCC_AHB2LPENR_DCMILPEN (1U << RCC_AHB2LPENR_DCMILPEN_BIT) - - /* AHB3 */ - - #define RCC_AHB3LPENR_FSMCLPEN_BIT 0 - - #define RCC_AHB3LPENR_FSMCLPEN (1U << RCC_AHB3LPENR_FSMCLPEN_BIT) - - /* APB1 */ - - #define RCC_APB1LPENR_DACLPEN_BIT 29 - #define RCC_APB1LPENR_PWRLPEN_BIT 28 - #define RCC_APB1LPENR_CAN2LPEN_BIT 26 - #define RCC_APB1LPENR_CAN1LPEN_BIT 25 - #define RCC_APB1LPENR_I2C3LPEN_BIT 23 - #define RCC_APB1LPENR_I2C2LPEN_BIT 22 - #define RCC_APB1LPENR_I2C1LPEN_BIT 21 - #define RCC_APB1LPENR_UART5LPEN_BIT 20 - #define RCC_APB1LPENR_UART4LPEN_BIT 19 - #define RCC_APB1LPENR_USART3LPEN_BIT 18 - #define RCC_APB1LPENR_USART2LPEN_BIT 17 - #define RCC_APB1LPENR_SPI3LPEN_BIT 15 - #define RCC_APB1LPENR_SPI2LPEN_BIT 14 - #define RCC_APB1LPENR_WWDGLPEN_BIT 11 - #define RCC_APB1LPENR_TIM14LPEN_BIT 8 - #define RCC_APB1LPENR_TIM13LPEN_BIT 7 - #define RCC_APB1LPENR_TIM12LPEN_BIT 6 - #define RCC_APB1LPENR_TIM7LPEN_BIT 5 - #define RCC_APB1LPENR_TIM6LPEN_BIT 4 - #define RCC_APB1LPENR_TIM5LPEN_BIT 3 - #define RCC_APB1LPENR_TIM4LPEN_BIT 2 - #define RCC_APB1LPENR_TIM3LPEN_BIT 1 - #define RCC_APB1LPENR_TIM2LPEN_BIT 0 - - #define RCC_APB1LPENR_DACLPEN (1U << RCC_APB1LPENR_DACLPEN_BIT) - #define RCC_APB1LPENR_PWRLPEN (1U << RCC_APB1LPENR_PWRLPEN_BIT) - #define RCC_APB1LPENR_CAN2LPEN (1U << RCC_APB1LPENR_CAN2LPEN_BIT) - #define RCC_APB1LPENR_CAN1LPEN (1U << RCC_APB1LPENR_CAN1LPEN_BIT) - #define RCC_APB1LPENR_I2C3LPEN (1U << RCC_APB1LPENR_I2C3LPEN_BIT) - #define RCC_APB1LPENR_I2C2LPEN (1U << RCC_APB1LPENR_I2C2LPEN_BIT) - #define RCC_APB1LPENR_I2C1LPEN (1U << RCC_APB1LPENR_I2C1LPEN_BIT) - #define RCC_APB1LPENR_UART5LPEN (1U << RCC_APB1LPENR_UART5LPEN_BIT) - #define RCC_APB1LPENR_UART4LPEN (1U << RCC_APB1LPENR_UART4LPEN_BIT) - #define RCC_APB1LPENR_USART3LPEN (1U << RCC_APB1LPENR_USART3LPEN_BIT) - #define RCC_APB1LPENR_USART2LPEN (1U << RCC_APB1LPENR_USART2LPEN_BIT) - #define RCC_APB1LPENR_SPI3LPEN (1U << RCC_APB1LPENR_SPI3LPEN_BIT) - #define RCC_APB1LPENR_SPI2LPEN (1U << RCC_APB1LPENR_SPI2LPEN_BIT) - #define RCC_APB1LPENR_WWDGLPEN (1U << RCC_APB1LPENR_WWDGLPEN_BIT) - #define RCC_APB1LPENR_TIM14LPEN (1U << RCC_APB1LPENR_TIM14LPEN_BIT) - #define RCC_APB1LPENR_TIM13LPEN (1U << RCC_APB1LPENR_TIM13LPEN_BIT) - #define RCC_APB1LPENR_TIM12LPEN (1U << RCC_APB1LPENR_TIM12LPEN_BIT) - #define RCC_APB1LPENR_TIM7LPEN (1U << RCC_APB1LPENR_TIM7LPEN_BIT) - #define RCC_APB1LPENR_TIM6LPEN (1U << RCC_APB1LPENR_TIM6LPEN_BIT) - #define RCC_APB1LPENR_TIM5LPEN (1U << RCC_APB1LPENR_TIM5LPEN_BIT) - #define RCC_APB1LPENR_TIM4LPEN (1U << RCC_APB1LPENR_TIM4LPEN_BIT) - #define RCC_APB1LPENR_TIM3LPEN (1U << RCC_APB1LPENR_TIM3LPEN_BIT) - #define RCC_APB1LPENR_TIM2LPEN (1U << RCC_APB1LPENR_TIM2LPEN_BIT) - - /* APB2 */ - - #define RCC_APB2LPENR_TIM11LPEN_BIT 18 - #define RCC_APB2LPENR_TIM10LPEN_BIT 17 - #define RCC_APB2LPENR_TIM9LPEN_BIT 16 - #define RCC_APB2LPENR_SYSCFGLPEN_BIT 14 - #define RCC_APB2LPENR_SPI1LPEN_BIT 12 - #define RCC_APB2LPENR_SDIOLPEN_BIT 11 - #define RCC_APB2LPENR_ADC3LPEN_BIT 10 - #define RCC_APB2LPENR_ADC2LPEN_BIT 9 - #define RCC_APB2LPENR_ADC1LPEN_BIT 8 - #define RCC_APB2LPENR_USART6LPEN_BIT 5 - #define RCC_APB2LPENR_USART1LPEN_BIT 4 - #define RCC_APB2LPENR_TIM8LPEN_BIT 1 - #define RCC_APB2LPENR_TIM1LPEN_BIT 0 - - #define RCC_APB2LPENR_TIM11LPEN (1U << RCC_APB2LPENR_TIM11LPEN_BIT) - #define RCC_APB2LPENR_TIM10LPEN (1U << RCC_APB2LPENR_TIM10LPEN_BIT) - #define RCC_APB2LPENR_TIM9LPEN (1U << RCC_APB2LPENR_TIM9LPEN_BIT) - #define RCC_APB2LPENR_SYSCFGLPEN (1U << RCC_APB2LPENR_SYSCFGLPEN_BIT) - #define RCC_APB2LPENR_SPI1LPEN (1U << RCC_APB2LPENR_SPI1LPEN_BIT) - #define RCC_APB2LPENR_SDIOLPEN (1U << RCC_APB2LPENR_SDIOLPEN_BIT) - #define RCC_APB2LPENR_ADC3LPEN (1U << RCC_APB2LPENR_ADC3LPEN_BIT) - #define RCC_APB2LPENR_ADC2LPEN (1U << RCC_APB2LPENR_ADC2LPEN_BIT) - #define RCC_APB2LPENR_ADC1LPEN (1U << RCC_APB2LPENR_ADC1LPEN_BIT) - #define RCC_APB2LPENR_USART6LPEN (1U << RCC_APB2LPENR_USART6LPEN_BIT) - #define RCC_APB2LPENR_USART1LPEN (1U << RCC_APB2LPENR_USART1LPEN_BIT) - #define RCC_APB2LPENR_TIM8LPEN (1U << RCC_APB2LPENR_TIM8LPEN_BIT) - #define RCC_APB2LPENR_TIM1LPEN (1U << RCC_APB2LPENR_TIM1LPEN_BIT) - -Backup domain control register -++++++++++++++++++++++++++++++ +.. We need this include to avoid crashing Emacs's ReST parser. Yuck. -:: - - #define RCC_BDCR_BDRST_BIT 16 - #define RCC_BDCR_RTCEN_BIT 15 - #define RCC_BDCR_LSEBYP_BIT 2 - #define RCC_BDCR_LSERDY_BIT 1 - #define RCC_BDCR_LSEON_BIT 0 - - #define RCC_BDCR_BDRST (1U << RCC_BDCR_BDRST_BIT) - #define RCC_BDCR_RTCEN (1U << RCC_BDCR_RTCEN_BIT) - #define RCC_BDCR_RTCSEL (0x3 << 8) - #define RCC_BDCR_RTCSEL_NOCLOCK (0x0 << 8) - #define RCC_BDCR_RTCSEL_LSE (0x1 << 8) - #define RCC_BDCR_RTCSEL_LSI (0x2 << 8) - #define RCC_BDCR_RTCSEL_HSE_DIV (0x3 << 8) - #define RCC_BDCR_LSEBYP (1U << RCC_BDCR_LSEBYP_BIT) - #define RCC_BDCR_LSERDY (1U << RCC_BDCR_LSERDY_BIT) - #define RCC_BDCR_LSEON (1U << RCC_BDCR_LSEON_BIT) - -Clock control and status register -+++++++++++++++++++++++++++++++++ - -:: - - #define RCC_CSR_LPWRRSTF_BIT 31 - #define RCC_CSR_WWDGRSTF_BIT 30 - #define RCC_CSR_IWDGRSTF_BIT 29 - #define RCC_CSR_SFTRSTF_BIT 28 - #define RCC_CSR_PORRSTF_BIT 27 - #define RCC_CSR_PINRSTF_BIT 26 - #define RCC_CSR_BORRSTF_BIT 25 - #define RCC_CSR_RMVF_BIT 24 - #define RCC_CSR_LSIRDY_BIT 1 - #define RCC_CSR_LSION_BIT 0 - - #define RCC_CSR_LPWRRSTF (1U << RCC_CSR_LPWRRSTF_BIT) - #define RCC_CSR_WWDGRSTF (1U << RCC_CSR_WWDGRSTF_BIT) - #define RCC_CSR_IWDGRSTF (1U << RCC_CSR_IWDGRSTF_BIT) - #define RCC_CSR_SFTRSTF (1U << RCC_CSR_SFTRSTF_BIT) - #define RCC_CSR_PORRSTF (1U << RCC_CSR_PORRSTF_BIT) - #define RCC_CSR_PINRSTF (1U << RCC_CSR_PINRSTF_BIT) - #define RCC_CSR_BORRSTF (1U << RCC_CSR_BORRSTF_BIT) - #define RCC_CSR_RMVF (1U << RCC_CSR_RMVF_BIT) - #define RCC_CSR_LSIRDY (1U << RCC_CSR_LSIRDY_BIT) - #define RCC_CSR_LSION (1U << RCC_CSR_LSION_BIT) - -Spread spectrum clock generation register -+++++++++++++++++++++++++++++++++++++++++ - -:: - - #define RCC_SSCGR_SSCGEN_BIT 31 - #define RCC_SSCGR_SPREADSEL_BIT 30 - - #define RCC_SSCGR_SSCGEN (1U << RCC_SSCGR_SSCGEN_BIT) - #define RCC_SSCGR_SPREADSEL (1U << RCC_SSCGR_SPREADSEL_BIT) - #define RCC_SSCGR_SPREADSEL_CENTER (0x0 << RCC_SSCGR_SPREADSEL_BIT) - #define RCC_SSCGR_SPREADSEL_DOWN (0x1 << RCC_SSCGR_SPREADSEL_BIT) - #define RCC_SSCGR_INCSTEP (0xFFF << 16) - #define RCC_SSCGR_MODPER 0xFFFF - -PLLI2S configuration register -+++++++++++++++++++++++++++++ - -:: - - #define RCC_PLLI2SCFGR_PLLI2SR (0x7 << 28) - #define RCC_PLLI2SCFGR_PLLI2SN (0x1FF << 6) +.. include:: rcc-reg-bits.txt Deprecated Functionality ------------------------ |