STM32L476G-DISCO

Caution

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Tip

When using this board with RIOT, set the BOARD variable to stm32l476g-disco in your Makefile. If you follow the standard RIOT project structure, your Makefile should look like this:

./Makefile

# name of your application
APPLICATION = hello-world

# Change this to your board if you want to build for a different board
BOARD ?= stm32l476g-disco

# This has to be the absolute path to the RIOT base directory:
RIOTBASE ?= $(CURDIR)/RIOT

include $(RIOTBASE)/Makefile.include

Support for the STM32L476G-DISCO board.

Overview

The STM32L476GDISCOVERY is an evaluation board with the ARM Cortex-M4 based ultra-low power microcontroller STM32L476VGT6 with 128KiB of RAM and 1MiB of ROM Flash.

Hardware

Pinout

MCU

MCU	STM32L476VG
Family	ARM Cortex-M4
Vendor	ST Microelectronics
RAM	128KiB
Flash	1MiB
Frequency	up to 80MHz
FPU	yes
Timers	16 (2x watchdog, 1 SysTick, 6x 16-bit, 2x 32-bit [TIM2])
ADCs	3x 12-bit (up to 16 channels)
UARTs	6 (three USARTs, two UARTs and one Low-Power UART)
SPIs	3
I2Cs	3
RTC	1
CAN	1
Vcc	1.71 V - 3.6V
Datasheet	Datasheet
Reference Manual	Reference Manual
Programming Manual	Programming Manual
Board Manual	Board Manual

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=stm32l476g-disco PROGRAMMER=cpy2remed flash

Note: This PROGRAMMER was tested using ST-LINK firmware 2.37.26. Firmware updates can be found on this STM webpage.

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 USART2.

The default baud rate is 115200.