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/**
@defgroup boards_nucleo-f070rb STM32 Nucleo-F070RB
@ingroup boards_common_nucleo64
@brief Support for the STM32 Nucleo-F070RB
## Overview
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The Nucleo-F070RB is a board from ST's Nucleo family supporting a ARM Cortex-M0
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STM32F070RB microcontroller with 16KiB of RAM and 128KiB of Flash.
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## Hardware
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## Pinout
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@image html pinouts/nucleo-f070rb.svg "Pinout for the Nucleo-F070RB (from user manual UM1724, http://www.st.com/resource/en/user_manual/dm00105823.pdf, page 28)" width=50%
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### MCU
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| MCU | STM32F070RB |
|:--------------------- |:------------------------------------------------------------------------------------- |
| Family | ARM Cortex-M0 |
| Vendor | ST Microelectronics |
| RAM | 16KiB |
| Flash | 128KiB |
| Frequency | up to 48MHz |
| FPU | no |
| Timers | 11 (2x watchdog, 1 SysTick, 8x 16-bit) |
| ADCs | 1x 12-bit (16 channels) |
| UARTs | 4 |
| SPIs | 2 |
| I2Cs | 2 |
| RTC | 1 |
| USB | 1 |
| Vcc | 2.4V - 3.6V |
| Datasheet | [Datasheet](http://www.st.com/resource/en/datasheet/stm32f070rb.pdf) |
| Reference Manual | [Reference Manual](https://www.st.com/resource/en/reference_manual/dm00091010.pdf) |
| Programming Manual | [Programming Manual](http://www.st.com/resource/en/programming_manual/dm00051352.pdf) |
| Board Manual | [Board Manual](http://www.st.com/resource/en/user_manual/dm00105823.pdf) |
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## Implementation Status
| Device | ID | Supported | Comments |
|:------------- |:------------- |:------------- |:------------- |
| MCU | STM32F070RB | partly | Energy saving modes not fully utilized |
| Low-level driver | GPIO | yes | |
| | PWM | yes (4 pins available) | |
| | UART | 3 UARTs | USART2 via STLink/USB or D0(RX)/D1(TX), USART1 on PA10(RX)/PA09(TX) and USART3 on PC11(RX)/PC10(TX) |
| | ADC | 6 pins | |
| | I2C | no | |
| | SPI | no | |
| | USB | no | |
| | Timer | 3 16 bit timers | |
## Flashing the device
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### Flashing the Board Using OpenOCD
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The ST Nucleo-F070RB board includes an on-board ST-LINK V2 programmer. The
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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
```
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make BOARD=nucleo-f070rb flash
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```
and debug via GDB by simply typing
```
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make BOARD=nucleo-f070rb debug
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```
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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-f070rb 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
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For using the ST Nucleo-F070RB board we strongly recommend the usage of the
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[GNU Tools for ARM Embedded Processors](https://launchpad.net/gcc-arm-embedded)
toolchain.
*/
