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/**
@defgroup boards_nucleo-l476rg STM32 Nucleo-L476RG
@ingroup boards_common_nucleo64
@brief Support for the STM32 Nucleo-L476RG
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## Overview
The Nucleo-L476RG is a board from ST's Nucleo family supporting ARM Cortex-M4
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STM32L476RG microcontroller with 128KiB of RAM and 1MiB of Flash.
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## Pinout
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@image html pinouts/nucleo-l476rg.svg "Pinout for the Nucleo-L476RG (from STM user manual UM1724, http://www.st.com/resource/en/user_manual/dm00105823.pdf, page 35)" width=50%
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### MCU
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| MCU | STM32L476RG |
|:---------- |:----------------- |
| Family | ARM Cortex-M4 |
| Vendor | ST Microelectronics|
| RAM | 128KiB |
| Flash | 1MiB |
| Frequency | up to 80MHz |
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| FPU | yes |
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| Timers | 16 (2x watchdog, 1 SysTick, 6x 16-bit, 2x 32-bit [TIM2]) |
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| ADCs | 3x 12-bit (up to 16 channels) |
| UARTs | 6 (three USARTs, two UARTs and one Low-Power UART) |
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| SPIs | 3 |
| I2Cs | 3 |
| RTC | 1 |
| CAN | 1 |
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| Vcc | 1.71 V - 3.6V |
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| Datasheet | [Datasheet](https://www.st.com/resource/en/datasheet/stm32l476je.pdf) |
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| Reference Manual | [Reference Manual](http://www.st.com/content/ccc/resource/technical/document/reference_manual/02/35/09/0c/4f/f7/40/03/DM00083560.pdf/files/DM00083560.pdf/jcr:content/translations/en.DM00083560.pdf) |
| Programming Manual | [Programming Manual](http://www.st.com/content/ccc/resource/technical/document/programming_manual/6c/3a/cb/e7/e4/ea/44/9b/DM00046982.pdf/files/DM00046982.pdf/jcr:content/translations/en.DM00046982.pdf) |
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| Board Manual | [Board Manual](https://www.st.com/content/ccc/resource/technical/document/user_manual/98/2e/fa/4b/e0/82/43/b7/DM00105823.pdf/files/DM00105823.pdf/jcr:content/translations/en.DM00105823.pdf) |
## Flashing the device
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### Flashing the Board Using OpenOCD
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The ST Nucleo-L476RG board includes an on-board ST-LINK V2 programmer. The
easiest way to program the board is to use OpenOCD. Once you have installed
OpenOCD (look [here](https://github.com/RIOT-OS/RIOT/wiki/OpenOCD) for
installation instructions), you can flash the board simply by typing
```
make BOARD=nucleo-l476rg flash
```
and debug via GDB by simply typing
```
make BOARD=nucleo-l476rg debug
```
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### Flashing the Board Using ST-LINK Removable Media
On-board ST-LINK programmer provides via composite USB device removable media.
Copying the HEX file causes reprogramming of the board. This task
could be performed manually; however, the cpy2remed (copy to removable
media) PROGRAMMER script does this automatically. To program board in
this manner, use the command:
```
make BOARD=nucleo-l476rg 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).
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## Supported Toolchains
For using the ST Nucleo-L476RG board we strongly recommend the usage of the
[GNU Tools for ARM Embedded Processors](https://launchpad.net/gcc-arm-embedded)
toolchain.
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*/
