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boards: arm: nucleo_f446re: doc: index.rst

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add CAN description to doc

Signed-off-by: Alexander Kozhinov <AlexanderKozhinov@yandex.com>
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Alexander Kozhinov 2021-02-27 20:49:29 +01:00 • committed by Maureen Helm
commit a3cd169102
1 changed files with 19 additions and 8 deletions
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boards/arm/nucleo_f446re/doc/index.rst
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@ -90,6 +90,8 @@ The Zephyr nucleo_f446re board configuration supports the following hardware fea
+-------------+------------+-------------------------------------+
| Backup SRAM | on-chip | Backup SRAM |
+-------------+------------+-------------------------------------+
| CAN 1/2 | on-chip | Controller Area Network |
+-------------+------------+-------------------------------------+
Other hardware features are not yet supported on this Zephyr port.
@ -135,14 +137,14 @@ Default Zephyr Peripheral Mapping:
- UART_1_RX : PB7
- UART_2_TX : PA2
- UART_2_RX : PA3
- USER_PB : PC13
- LD2 : PA5
- I2C1_SDA : PB9
- I2C1_SCL : PB8
- I2C2_SDA : PB3
- I2C2_SCL : PB10
- I2C3_SDA : PB4
- I2C3_SCL : PA8
- USER_PB : PC13
- LD2 : PA5
- I2C1_SDA : PB9
- I2C1_SCL : PB8
- I2C2_SDA : PB3
- I2C2_SCL : PB10
- I2C3_SDA : PB4
- I2C3_SCL : PA8
System Clock
------------
@ -163,6 +165,12 @@ Backup SRAM
In order to test backup SRAM you may want to disconnect VBAT from VDD. You can
do it by removing ``SB45`` jumper on the back side of the board.
Controller Area Network
-----------------------
The TX/RX wires connected with D14/D15 of CN5 connector. Thus the board can be
used with `RS485 CAN Shield`_.
Programming and Debugging
*************************
@ -223,3 +231,6 @@ You can debug an application in the usual way. Here is an example for the
.. _STM32F446 reference manual:
http://www.st.com/resource/en/reference_manual/dm00135183.pdf
.. _RS485 CAN Shield:
https://www.waveshare.com/wiki/RS485_CAN_Shield