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STM32L496G-DISCO
Boards

Support for the STM32L496G-DISCO board. More...

Detailed Description

Support for the STM32L496G-DISCO board.

Overview

The ST STM32L496G-DISCO is an evaluation board with the ARM Cortex-M4 based ultra-low power microcontroller STM32L496AG with 320KB of RAM and 1MB of ROM Flash.

The main features of this board are:

Current Hardware Support:

Feature Support Remark
ADC X 8 channels
DAC X 1 or 2 channels
I2C X 2 devices (I2C1 and I2C2)
PWM X 3 devices with a total og 6 channels
SPI X 1 or 2 devices (SPI1 and SPI2)
Timers X 2 devices (TIM2 and TIM3)
UART X 3 devices (USART2, LPUART1 and USART1)
USB OTG FS X 1 device
TFT color LCD 240 x 40 - ST7789H2 used as driver IC (not supported yet)
Capacitive Touch Screen - FT3267 used as driver IC (not supported yet)
Stereo microphones -
SAI audio codec -
External PSRAM x Connected to FMC peripheral
External Quad-SPI Flash - QSPI peripheral is not yet supported
SD Card Interface - SDMMC1 on PC8..PC13/PD2

Board Configuration (sorted by peripheral):

RIOT Peripheral GPIO Connector pin Remark
ADC_LINE(0) PC4 Arduino A0 ADC1 IN13
ADC_LINE(1) PC1 Arduino A1 ADC1 IN2
ADC_LINE(2) PC3 Arduino A2 ADC1 IN4
ADC_LINE(3) PF10 Arduino A3 ADC3 IN13
ADC_LINE(4) PA1 Arduino A4 ADC1 IN6
ADC_LINE(5) PC0 Arduino A5 ADC2 IN13
ADC_LINE(6) - V_REF_INT ADC1 IN0 connected to V_REFINT
ADC_LINE(7) PA4 STmod+ ADC ADC1 IN9 if periph_dac is not used
ADC_LINE(7) - - ADC2 IN17 connected to DAC1 if periph_dac is used
DAC_LINE(0) PA4 STmod+ ADC DAC1 if periph_dac is used
DAC_LINE(1) PA5 Arduino D13 DAC2 if periph_spi is not used
I2C_DEV(0) SCL PB8 Arduino D15 I2C1 SCL, also connected to STmod+ SCL
I2C_DEV(0) SDA PB7 Arduino D14 I2C1 SDA, also connected to STmod+ SDA
I2C_DEV(1) SCL PH14 - I2C2 SCL, used for MFX_x, CODEC_x, CTP_x, DCMI_x
I2C_DEV(1) SDA PB14 - I2C2 SDA, used for MFX_x, CODEC_x, CTP_x, DCMI_x
PWM_DEV(0) CH0 PH15 Arduino D3 TIM8_CH3N
PWM_DEV(0) CH1 PI6 Arduino D6 TIM8_CH2
PWM_DEV(0) CH2 PH13 Arduino D9 TIM8_CH1N
PWM_DEV(1) CH0 PB9 Arduino D5 TIM4_CH4
PWM_DEV(2) CH0 PA0 STmod+ PWM TIM5_CH1
SPI_DEV(0) SCK PA5 Arduino D13 SPI1 SCK
SPI_DEV(0) MISO PB4 Arduino D12 SPI1 MISO
SPI_DEV(0) MOSI PB5 Arduino D11 SPI1 MOSI
SPI_DEV(0) CS PA15 Arduino D10 SPI1 NSS
SPI_DEV(1) SCK PI1 STmod+ CLK, Pmod CLK SPI2 SCK (*1)
SPI_DEV(1) MISO PI2 STmod+ MISO, Pmod MISO SPI2 MISO (*1)
SPI_DEV(1) MOSI PB15 STmod+ MOSI, Pmod MOSI SPI2 MOSI (*1)
SPI_DEV(1) CS PG1 STmod+ CS, Pmod CS SPI2 NSS (*1)
UART_DEV(0) RX PD6 ST-Link USART2 RX
UART_DEV(0) TX PA2 ST-Link USART2 TX
UART_DEV(1) RX PD6 Arduino D0 LPUART1 RX
UART_DEV(1) TX PA2 Arduino D1 LPUART1 TX
UART_DEV(2) RX PG10 STmod+ RX, Pmod RX USART1 RX (*2)
UART_DEV(2) TX PB6 STmod+ TX, Pmod TX USART1 TX (*2)
UART_DEV(2) CTS PG11 STmod+ CTS, Pmod CTS USART1 CTS (*2)
UART_DEV(2) RTS PG12 STmod+ RTS, Pmod RTS USART1 RTS (*2)


Note
  • (*1) SPI2 is only available if module periph_spi_stmod is used. SB4, SB5, SB9 must be closed to connect SPI2 to STmod+ and Pmod.
  • (*2) USART1 is only available if module periph_spi_stmod is not used. SB6, SB7, SB8 must be closed to connect USART1 to STmod+ and Pmod (default).

Board Configuration (sorted by connectors):

Connector RIOT Peripheral GPIO Remark
Arduino A0 ADC_LINE(0) PC4 ADC1 IN13
Arduino A1 ADC_LINE(1) PC1 ADC1 IN2
Arduino A2 ADC_LINE(2) PC3 ADC1 IN4
Arduino A3 ADC_LINE(3) PF10 ADC3 IN13
Arduino A4 ADC_LINE(4) PA1 ADC1 IN6
Arduino A5 ADC_LINE(5) PC0 ADC2 IN13
Arduino D0 UART_DEV(1) RX PD6 LPUART1 RX
Arduino D1 UART_DEV(1) TX PA2 LPUART1 TX
Arduino D3 PWM_DEV(0) CH0 PH15 TIM8_CH3N
Arduino D6 PWM_DEV(0) CH1 PI6 TIM8_CH2
Arduino D5 PWM_DEV(1) CH0 PB9 TIM4_CH4
Arduino D9 PWM_DEV(0) CH2 PH13 TIM8_CH1N
Arduino D10 SPI_DEV(0) CS PA15 SPI1 CS
Arduino D11 SPI_DEV(0) MOSI PB5 SPI1 MOSI
Arduino D12 SPI_DEV(0) MISO PB4 SPI1 MISO
Arduino D13 SPI_DEV(0) SCK PA5 SPI1 SCK
Arduino D13 DAC_LINE(1) PA5 DAC2 if periph_spi is not used
Arduino D14 I2C_DEV(0) SDA PB7 I2C1 SDA
Arduino D15 I2C_DEV(0) SCL PB8 I2C1 SCL
Pmod SPI CLK SPI_DEV(1) SCK PI1 SPI2 SCK (*1)
Pmod SPI CS SPI_DEV(4) CS PG1 SPI2 NSS (*1)
Pmod SPI MISO SPI_DEV(2) MISO PI2 SPI2 MISO (*1)
Pmod SPI MOSI SPI_DEV(3) MOSI PB15 SPI2 MOSI (*1)
Pmod UART CTS UART_DEV(2) CTS PG11 USART1 CTS (*2)
Pmod UART RTS UART_DEV(2) RTS PG12 USART1 RTS (*2)
Pmod UART RX UART_DEV(2) RX PG10 USART1 RX (*2)
Pmod UART TX UART_DEV(2) TX PB6 USART1 TX (*2)
STmod+ ADC ADC_LINE(7) PA4 ADC1 IN9 if periph_dac is not used
STmod+ ADC DAC_LINE(0) PA4 DAC1 if periph_dac is used
STmod+ PWM PWM_DEV(2) CH0 PA0 TIM5_CH1
STmod+ I2C SCL I2C_DEV(0) SCL PB8 I2C2 SCL
STmod+ I2C SDA I2C_DEV(0) SDA PB7 I2C2 SDA
STmod+ SPI CLK SPI_DEV(1) SCK PI1 SPI2 SCK (*1)
STmod+ SPI CS SPI_DEV(1) CS PG1 SPI2 NSS (*1)
STmod+ SPI MISO SPI_DEV(1) MISO PI2 SPI2 MISO (*1)
STmod+ SPI MOSI SPI_DEV(1) MOSI PB15 SPI2 MOSI (*1)
STmod+ UART CTS UART_DEV(2) CTS PG11 USART1 CTS (*2)
STmod+ UART RTS UART_DEV(2) RTS PG12 USART1 RTS (*2)
STmod+ UART RX UART_DEV(2) RX PG10 USART1 RX (*2)
STmod+ UART TX UART_DEV(2) TX PB6 USART1 TX (*2)
ST-Link UART_DEV(0) RX PD6 USART2 RX
ST-Link UART_DEV(0) TX PA2 USART2 TX


Note
  • (*1) SPI2 is only available if module periph_spi_stmod is used. SB4, SB5, SB9 must be closed to connect SPI2 to STmod+ and Pmod.
  • (*2) USART1 is only available if module periph_spi_stmod is not used. SB6, SB7, SB8 must be closed to connect USART1 to STmod+ and Pmod (default).

Flashing the device

The STM32L496G-DISCO board includes an on-board ST-LINK programmer and can be flashed using OpenOCD. The board can be flashed with:

make BOARD=stm32l496g-disco flash

and debug via GDB with

make BOARD=stm32l496g-disco debug

Supported Toolchains

For using the STM32L496G-DISCO board we recommend the usage of the GNU Tools for ARM Embedded Processors toolchain.

Files

file  arduino_iomap.h
 Mapping from MCU pins to Arduino pins for the STM32L496G-DISCO board.
 
file  board.h
 Board specific definitions for the STM32L496G-DISCO board.
 
file  gpio_params.h
 Board specific configuration of direct mapped GPIOs.
 
file  periph_conf.h
 Peripheral MCU configuration for the STM32L496G-DISCO board.