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authorMarti Bolivar <mbolivar@leaflabs.com>2012-06-29 17:57:36 -0400
committerMarti Bolivar <mbolivar@leaflabs.com>2012-06-29 17:57:36 -0400
commitf94bf279600d6a9e2358677facce29e76254e3ea (patch)
tree62a34c6f645c803164ff6d01c5dd0c9c3d29b1f3 /source/libmaple/api/rcc-reg-bits.txt
parent777e11ddb03c94586bdbecdf0cbd26aed813ed62 (diff)
downloadlibrambutan-f94bf279600d6a9e2358677facce29e76254e3ea.tar.gz
librambutan-f94bf279600d6a9e2358677facce29e76254e3ea.zip
Tweak and fix up <libmaple/rcc.h> page.
Break the register bit definitions into an include file so Emacs's rst-mode doesn't choke on the length of the page. (Ugh.) Various edits for clarity and ease of use. Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'source/libmaple/api/rcc-reg-bits.txt')
-rw-r--r--source/libmaple/api/rcc-reg-bits.txt1017
1 files changed, 1017 insertions, 0 deletions
diff --git a/source/libmaple/api/rcc-reg-bits.txt b/source/libmaple/api/rcc-reg-bits.txt
new file mode 100644
index 0000000..6b1133d
--- /dev/null
+++ b/source/libmaple/api/rcc-reg-bits.txt
@@ -0,0 +1,1017 @@
+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
+++++++++++++++++++++++++++++++
+
+::
+
+ #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)
+