OLIMEX-STM32-P405

Overview

The OLIMEX-STM32-P405 board is based on the STMicroelectronics STM32F405RG ARM Cortex-M4 CPU.

Hardware

Information about the board can be found at the OLIMEX-STM32-P405 website and OLIMEX-STM32-P405 user manual. The ST STM32F405RG Datasheet contains the processor’s information and the datasheet.

Supported Features

The olimex_stm32_p405 board supports the hardware features listed below.

on-chip / on-board
Feature integrated in the SoC / present on the board.
2 / 2
Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo
Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

olimex_stm32_p405/stm32f405xx target

Type

Location

Description

Compatible

CPU

on-chip

ARM Cortex-M4F CPU1

arm,cortex-m4f

ADC

on-chip

STM32F4 ADC1

st,stm32f4-adc

on-chip

STM32 ADC2

st,stm32-adc

CAN

on-chip

STM32 CAN controller1 1

st,stm32-bxcan

Clock control

on-chip

STM32 RCC (Reset and Clock controller)1

st,stm32-rcc

on-chip

STM32 HSE Clock1

st,stm32-hse-clock

on-chip

Generic fixed-rate clock provider1 2

fixed-clock

on-chip

STM32F4 Main PLL1

st,stm32f4-pll-clock

on-chip

STM32F4 PLL I2S1

st,stm32f4-plli2s-clock

on-chip

STM32 Microcontroller Clock Output (MCO)2

st,stm32-clock-mco

Counter

on-chip

STM32 counters12

st,stm32-counter

DAC

on-chip

STM32 family DAC1

st,stm32-dac

DMA

on-chip

STM32 DMA controller (V1)2

st,stm32-dma-v1

Flash controller

on-chip

STM32 Family flash controller1

st,stm32-flash-controller

GPIO & Headers

on-chip

STM32 GPIO Controller9

st,stm32-gpio

I2C

on-chip

STM32 I2C V1 controller3

st,stm32-i2c-v1

I2S

on-chip

STM32 I2S controller2

st,stm32-i2s

Input

on-board

Group of GPIO-bound input keys1

gpio-keys

Interrupt controller

on-chip

ARMv7-M NVIC (Nested Vectored Interrupt Controller)1

arm,v7m-nvic

on-chip

STM32 External Interrupt Controller1

st,stm32-exti

LED

on-board

Group of GPIO-controlled LEDs1

gpio-leds

Memory controller

on-chip

STM32 Battery Backed RAM1

st,stm32-bbram

MMC

on-chip

STM32 SDMMC Disk Access1

st,stm32-sdmmc

MTD

on-chip

STM32F4 flash memory1

st,stm32f4-nv-flash

PHY

on-chip

This binding is to be used by all the usb transceivers which are built-in with USB IP2

usb-nop-xceiv

Pin control

on-chip

STM32 Pin controller1

st,stm32-pinctrl

PWM

on-chip

STM32 PWM12

st,stm32-pwm

Reset controller

on-chip

STM32 Reset and Clock Control (RCC) Controller1

st,stm32-rcc-rctl

RNG

on-chip

STM32 Random Number Generator1

st,stm32-rng

RTC

on-chip

STM32 RTC1

st,stm32-rtc

Sensors

on-chip

STM32 quadrature decoder6

st,stm32-qdec

on-chip

STM32 family TEMP node for production calibrated sensors with two calibration temperatures1

st,stm32-temp-cal

on-chip

STM32 VREF+1

st,stm32-vref

on-chip

STM32 VBAT1

st,stm32-vbat

Serial controller

on-chip

STM32 USART1 3

st,stm32-usart

on-chip

STM32 UART2

st,stm32-uart

SMbus

on-chip

STM32 SMBus controller3

st,stm32-smbus

SPI

on-chip

STM32 SPI controller4

st,stm32-spi

SRAM

on-chip

Generic on-chip SRAM description1

mmio-sram

Timer

on-chip

ARMv7-M System Tick1

arm,armv7m-systick

on-chip

STM32 timers14

st,stm32-timers

USB

on-chip

STM32 OTGFS controller1

st,stm32-otgfs

on-chip

STM32 OTGHS controller1

st,stm32-otghs

Watchdog

on-chip

STM32 watchdog1

st,stm32-watchdog

on-chip

STM32 system window watchdog1

st,stm32-window-watchdog

Pin Mapping

OLIMEX-STM32-P405 connectors

OLIMEX-STM32-P405 connectors

LED

  • USER_LED (red) = PC12

  • PWR_LED (red) = power

Push buttons

  • USER_BUTTON = PA0

  • RST = NRST

External Connectors

JTAG debug

PIN #

Signal Name

Pin #

Signal Name

1

+3.3V

11

2

+3.3V

12

GND

3

PB4 / TRST

13

PB3 / TDO

4

GND

14

GND

5

PA15 / TDI

15

PB4 / TRST

6

GND

16

GND

7

PA13 / TMS

17

8

GND

18

GND

9

PA14 / TCK

19

+5V_JTAG

10

GND

20

GND

UEXT

PIN #

Wire Name

STM32F405 port

1

+3.3V

2

GND

3

PA9/USART1_TX

PA9

4

PA10/USART1_RX

PA10

5

PB6/I2C1_SCL

PB6

6

PB7/I2C1_SDA

PB7

7

PA6/SPI1_MISO

PA6

8

PA7/SPI1_MOSI

PA7

9

PA5/SPI1_SCK

PA5

10

PA4/SPI1_NSS

PA4

GPIO row of pins

Pin

STM32F405 Pin Functions

3V3

N/A

PA1

PA1/USART2_RTS/ADC1/TIM2_CH2

PA8

PA8/USART1_CK/TIM1_CH1/MCO

PB0

PB0/ADC8/TIM3_CH3/TIM1_CH2N

PB1

PB1/ADC9/TIM3_CH4/TIM1_CH3N

PB2

PB2/BOOT1

PB5

PB5/I2C1_SMBAI/TIM3_CH2/SPI1_MOSI

PB8

PB8/TIM4_CH3/I2C1_SCL/CANRX

PB9

PB9/TIM4_CH4/I2C1_SDA/CANTX

VDDA

N/A

GNDA

N/A

PB10

PB10/I2C2_SCL/USART3_TX/TIM2_CH3

PB11

PB11/I2C2_SDA/USART3_RX/TIM2_CH4

PB12

PB12/SPI2_NSS/I2C2_SMBAL/USART3_CK/TIM1_BKIN

PB13

PB13/SPI2_SCK/USART3_CTS/TIM1_CH1N

PB14

PB14/SPI2_MISO/USART3_RTS/TIM1_CH2N

PB15

PB15/SPI2_MOSI/TIM1_CH3N

RST

NRST

PC0

PC0/ADC10

PC1

PC1/ADC11

PC2

PC2/ADC12

PC3

PC3/ADC13

PC4

PC4/ADC14

PC5

PC5/ADC15

PC6

PC6/TIM3_CH1

PC7

PC7/TIM3_CH2

PC8

PC8/TIM3_CH3

PC9

PC9/TIM3_CH4

PC10

PC10/USART3_TX

PC12

PC12/USART3_CK

PC13

PC13/ANTI_TAMP

PD2

PD2/TIM3_ETR

+5V_USB

N/A

VIN

N/A

GND

N/A

System Clock

OLIMEX-STM32-P405 has two external oscillators. The frequency of the slow clock is 32.768 kHz. The frequency of the main clock is 8 MHz. The processor can setup HSE to drive the master clock, which can be set as high as 168 MHz.

Programming and Debugging

The OLIMEX-STM32-P405 board does not include an embedded debug tool interface. You will need to use ST tools or an external JTAG probe. In the following examples a ST-Link V2 USB dongle is used.

Flashing an application to the Olimex-STM32-P405

The sample application Hello World is being used in this tutorial.

Connect the ST-Link USB dongle to your host computer and to the JTAG port of the OLIMEX-STM32-P405 board.

Now build and flash the application.

# From the root of the zephyr repository
west build -b olimex_stm32_p405 samples/hello_world
west flash

Run a serial host program to connect with your board:

$ minicom -D /dev/ttyACM0

After resetting the board, you should see the following message:

***** BOOTING ZEPHYR OS v1.8.99 - BUILD: Aug  4 2017 14:54:40 *****
Hello World! arm

Debugging

You can debug an application in the usual way. Here is an example for the Hello World application.

# From the root of the zephyr repository
west build -b olimex_stm32_p405 samples/hello_world
west debug