From f4c0972be42f0f7b5cb17b9eed99e08e379b6bb3 Mon Sep 17 00:00:00 2001 From: Marti Bolivar Date: Fri, 13 May 2011 18:33:08 -0400 Subject: Docs: board-specific values for Maple and Maple RET6 Edition. --- docs/source/hardware/maple-ret6.rst | 60 +++++++++++++++++++++++++++++++------ 1 file changed, 51 insertions(+), 9 deletions(-) (limited to 'docs/source/hardware/maple-ret6.rst') diff --git a/docs/source/hardware/maple-ret6.rst b/docs/source/hardware/maple-ret6.rst index d6a7c0e..fa7e50e 100644 --- a/docs/source/hardware/maple-ret6.rst +++ b/docs/source/hardware/maple-ret6.rst @@ -75,7 +75,7 @@ GPIO Information The RET6 Edition features 38 ready-to-use general purpose input/output (GPIO) pins for digital input/output, numbered ``D0`` through ``D37``. These numbers correspond to the numeric values next to each header on -the Maple silkscreen. More GPIOs (numbered ``D39``\ --``43``) are +the Maple silkscreen. More GPIOs (numbered ``D39``\ --``D43``) are available through use in combination with the :ref:`lang-disabledebugports` function; see the :ref:`board-specific debug pin constants ` for more information. @@ -207,11 +207,10 @@ The following table shows which pins connect to which :ref:`EXTI lines USART Pin Map ^^^^^^^^^^^^^ -.. FIXME [0.0.10] UART4 and UART5 information - -The Maple RET6 Edition has three serial ports (also known as a UARTs -or USARTs): ``Serial1``, ``Serial2``, and ``Serial3``. They -communicate using the pins summarized in the following table: +The Maple RET6 Edition has three serial ports whose pins are broken +out to headers (also known as a UARTs or USARTs): ``Serial1``, +``Serial2``, and ``Serial3``. They communicate using the pins +summarized in the following table: .. csv-table:: :header: Serial Port, TX, RX, CK, CTS, RTS @@ -221,12 +220,53 @@ communicate using the pins summarized in the following table: ``Serial2`` | 1 | 0 | 10 | 2 | 3 ``Serial3`` | 29 | 30 | 31 | 32 | 33 +Unfortunately, :ref:`UART4 and UART5 aren't completely available +`. + Board-Specific Values --------------------- -.. TODO [0.0.10] - -Stub. +This section lists the Maple RET6 Edition's :ref:`board-specific +values `. + +- ``CYCLES_PER_MICROSECOND``: 72 +- ``BOARD_BUTTON_PIN``: 38 +- ``BOARD_LED_PIN``: 13 +- ``BOARD_NR_GPIO_PINS``: 44 +- ``BOARD_NR_PWM_PINS``: 16 +- ``boardPWMPins``: 0, 1, 2, 3, 5, 6, 7, 8, 9, 11, 12, 14, 24, 25, 27, 28 +- ``BOARD_NR_ADC_PINS``: 15 +- ``boardADCPins``: 0, 1, 2, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 27, 28 +- ``BOARD_NR_USED_PINS``: 7 +- ``boardUsedPins``: ``BOARD_LED_PIN``, ``BOARD_BUTTON_PIN``, + ``BOARD_JTMS_SWDIO_PIN``, ``BOARD_JTCK_SWCLK_PIN``, + ``BOARD_JTDI_PIN``, ``BOARD_JTDO_PIN``, ``BOARD_NJTRST_PIN`` +- ``BOARD_NR_USARTS``: 3 (unfortunately, due to the Maple Rev 5 + design, UARTs 4 and 5 have pins which are not broken out) +- ``BOARD_USART1_TX_PIN``: 7 +- ``BOARD_USART1_RX_PIN``: 8 +- ``BOARD_USART2_TX_PIN``: 1 +- ``BOARD_USART2_RX_PIN``: 0 +- ``BOARD_USART3_TX_PIN``: 29 +- ``BOARD_USART3_RX_PIN``: 30 +- ``BOARD_NR_SPI``: 3 +- ``BOARD_SPI1_NSS_PIN``: 10 +- ``BOARD_SPI1_MOSI_PIN``: 11 +- ``BOARD_SPI1_MISO_PIN``: 12 +- ``BOARD_SPI1_SCK_PIN``: 13 +- ``BOARD_SPI2_NSS_PIN``: 31 +- ``BOARD_SPI2_MOSI_PIN``: 34 +- ``BOARD_SPI2_MISO_PIN``: 33 +- ``BOARD_SPI2_SCK_PIN``: 32 +- ``BOARD_SPI3_NSS_PIN``: 41 +- ``BOARD_SPI3_MOSI_PIN``: 4 +- ``BOARD_SPI3_MISO_PIN``: 43 +- ``BOARD_SPI3_SCK_PIN``: 42 +- ``BOARD_JTMS_SWDIO_PIN``: 39 +- ``BOARD_JTCK_SWCLK_PIN``: 40 +- ``BOARD_JTDI_PIN``: 41 +- ``BOARD_JTDO_PIN``: 42 +- ``BOARD_NJTRST_PIN``: 43 Hardware Design Files --------------------- @@ -269,6 +309,8 @@ This section lists known issues and warnings for the Maple RET6 Edition. advertising that it was capable of supplying up to 800 mA; the correct value is 500 mA. +.. _maple-ret6-uart-errata: + * **UART4, UART5 GPIOs unavailable**: Pins related to the digital to analog converter (DAC) and UARTs 4 and 5 are not broken out to headers. The RET6 Edition's hardware layout is identical to that of -- cgit v1.2.3