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boards/nucleo-l552ze-q: Adding improvements to Nucle-L552ZE-Q doc

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krzysztof-cabaj 2022-01-30 12:52:27 -05:00
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boards/nucleo-l552ze-q/doc.txt
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@ -3,6 +3,37 @@
@ingroup boards_common_nucleo144
@brief Support for the STM32 Nucleo-L552ZE-Q
## Overview
The Nucleo-L552ZE-Q is a board from ST's Nucleo family supporting ARM Cortex-M33
STM32L552ZE ultra-low-pawer microcontroller with TrustZone, 256kB or RAM and 512Kb
of Flash.
## Hardware
![Nucleo144 L552ZE-Q](https://www.st.com/bin/ecommerce/api/image.PF267817.en.feature-description-include-personalized-no-cpn-large.jpg)
### MCU
| MCU | STM32L552ZE |
|:-------------|:-----------------------------|
| Family | ARM Cortex-M33 |
| Vendor | ST Microelectronics |
| RAM | 256Kb |
| Flash | 512Kb |
| Frequency | up tp 110MHz |
| FPU | yes |
| TrustZone | yes |
| Timers | 16 |
| UARTs | 6 (3xUSART, 2xUART, 1xLPUART)|
| I2cs | 4 |
| SPIs | 3 |
| CAN | 1 |
| Datasheet | [Datasheet](https://www.st.com/resource/en/datasheet/stm32l552ze.pdf)|
| Reference Manual | [Reference Manual](https://www.st.com/resource/en/reference_manual/dm00346336-stm32l552xx-and-stm32l562xx-advanced-arm-based-32-bit-mcus-stmicroelectronics.pdf)|
| Programming Manual | [Programming Manual](https://www.st.com/resource/en/programming_manual/pm0264-stm32-cortexm33-mcus-programming-manual-stmicroelectronics.pdf)|
| Board Manual | [Board Manual](https://www.st.com/resource/en/user_manual/dm00615305-stm32l5-nucleo-144-board-mb1361-stmicroelectronics.pdf)|
## Flashing the device
The ST Nucleo-L552ZE-Q board includes an on-board ST-LINK programmer and can be
@ -34,6 +65,20 @@ and debug via GDB by simply typing
make BOARD=nucleo-l552ze-q debug
```
## Accessing RIOT shell
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.
The default baud rate is 115 200.
If a physical connection to LPUART1 is needed, connect UART interface to pins
PG7 (LPUART1 TX) and PG8 (LPUART1 RX).
@note Accordingly to the [MCU Datasheet](https://www.st.com/resource/en/datasheet/stm32l552ze.pdf)
PG7 and PG8 pins are 5V tolerant (see table 21, page 108).
## Supported Toolchains
For using the ST Nucleo-L552ZE-Q board we recommend the usage of the