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boards/nucleo-l4r5zi: doc improvements #18747

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Oct 15, 2022
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boards/nucleo-l4r5zi: doc improvements #18747

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33 changes: 31 additions & 2 deletions boards/nucleo-l4r5zi/doc.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,32 @@
The Nucleo-L4R5ZI is a board from ST's Nucleo family supporting a ARM Cortex-M4
STM32L4R5ZI microcontroller with 640KiB of RAM and 2MiB of ROM Flash.

## Hardware

![Nucleo144 L4R5ZI](https://www.st.com/bin/ecommerce/api/image.PF264781.en.feature-description-include-personalized-no-cpn-large.jpg)

### MCU

| MCU | STM32L4R5ZI |
|:-------------|:---------------------------------------------------|
| Family | ARM Cortex-M4F |
| Vendor | ST Microelectronics |
| RAM | 640KiB |
| Flash | 2MiB |
| Frequency | up to 120 MHz |
| FPU | yes |
| Timers | 16 (2x watchdog, 1 SysTick, 2x 32-bit, 11x 16-bit) |
| ADC | 1x 12 bit (16 channels) |
| UARTs | 6 |
| SPIs | 3 |
| I2Cs | 4 |
| CAN | 1 |
| USB | 1 |
| Datasheet | [Datasheet](https://www.st.com/resource/en/datasheet/stm32l4r5zi.pdf)|
| Reference Manual | [Reference Manual](https://www.st.com/resource/en/reference_manual/rm0432-stm32l4-series-advanced-armbased-32bit-mcus-stmicroelectronics.pdf)|
| Programming Manual | [Programming Manual](https://www.st.com/resource/en/programming_manual/pm0214-stm32-cortexm4-mcus-and-mpus-programming-manual-stmicroelectronics.pdf)|
| Board Manual | [Board Manual](http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/um2179-stm32-nucleo144-boards-mb1312-stmicroelectronics-1.pdf)|

## Flashing the device

### Flashing the Board Using OpenOCD
Expand Down Expand Up @@ -37,10 +63,13 @@ make BOARD=nucleo-l4r5zi PROGRAMMER=cpy2remed flash
@note This PROGRAMMER was tested using ST-LINK firmware 2.37.26. Firmware updates
could be found on [this STM webpage](https://www.st.com/en/development-tools/stsw-link007.html).

## Accessing RIOT shell

### STDIO
Default RIOT shell access utilize VCP (Virtual COM Port) via USB interface,
provided by integrated ST-LINK programmer. ST-LINK is connected to the
microcontroller LPUART1.

STDIO is available via the ST-Link programmer.
The default baud rate is 115 200.

Use the `term` target to open a terminal:

Expand Down