OLIMEX-STM32-H405
Overview
The OLIMEX-STM32-H405 board is based on the STMicroelectronics STM32F405RG ARM Cortex-M4 CPU.
OLIMEX-STM32-H405 top
OLIMEX-STM32-H405 bottom
Hardware
Information about the board can be found at the OLIMEX-STM32-H405 website and OLIMEX-STM32-H405 user manual. The ST STM32F405RG Datasheet contains the processor’s information and the datasheet.
Supported Features
The olimex_stm32_h405 board configuration supports the following hardware features:
Interface |
Controller |
Driver/Component |
|---|---|---|
NVIC |
on-chip |
nested vectored interrupt controller |
SYSTICK |
on-chip |
system clock |
UART |
on-chip |
serial port |
GPIO |
on-chip |
gpio |
USB |
on-chip |
USB device |
WATCHDOG |
on-chip |
independent watchdog |
COUNTER |
on-chip |
rtc |
RNG |
on-chip |
random number generator |
Other hardware features have not been enabled yet for this board.
Pin Mapping
LED
USER_LED (green) = PC12
PWR_LED (red) = power
External Connectors
JTAG debug
PIN # |
Signal Name |
Pin # |
Signal Name |
|---|---|---|---|
1 |
+3.3V |
2 |
+3.3V |
3 |
PB4 / TRST |
4 |
GND |
5 |
PA15 / TDI |
6 |
GND |
7 |
PA13 / TMS |
8 |
GND |
9 |
PA14 / TCK |
10 |
GND |
11 |
GND |
12 |
GND |
13 |
PB3 / TDO |
14 |
GND |
15 |
GND |
16 |
GND |
17 |
RST |
18 |
GND |
19 |
GND |
20 |
GND |
USB Type B
PIN # |
Signal Name |
|---|---|
1 |
+5V_USB |
2 |
PA11 / USBDM |
3 |
PA12 / USBDP |
4 |
GND |
EXT1 header
PIN # |
Signal Name |
Pin # |
Signal Name |
|---|---|---|---|
1 |
2 |
||
… |
… |
… |
… |
9 |
PC11 (USB DISC) |
10 |
PC12 (LED) |
… |
… |
… |
… |
25 |
26 |
EXT2 header
PIN # |
Signal Name |
Pin # |
Signal Name |
|---|---|---|---|
1 |
2 |
||
… |
… |
… |
… |
5 |
6 |
GND |
|
7 |
PA2 / USART2_TX |
8 |
|
9 |
10 |
PA3 / USART2_RX |
|
… |
… |
… |
… |
25 |
26 |
System Clock
OLIMEX-STM32-H405 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-H405 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-H405
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-H405 board.
Now build and flash the application.
# From the root of the zephyr repository
west build -b olimex_stm32_h405 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 build v2.7.99-3008-g2341052abe7c ***
Hello World! olimex_stm32_h405
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_h405 samples/hello_world
west debug