Table of Contents
STM32 H745 discovery
The STM32H745I discovery kit contains a dual core STM32H745XIH6 processor with various internal and external peripherals.
External peripherals include the following
4.3" touchscreen Audio codec Microphone SDRAM EMMC FLASH
Board layout
Top view
MICROPHONE POWER USB USB
LINE OUT/IN HEADER STLINK POWER
--------------------------------------
JTAG | |
| 4.3" 480x272 WQVGA TOUCHSCREEN | LEDS
STMOD | |
-------------------------------------|
USER RESET ETHERNET
BUTTON BUTTON
The STMOD interface supports MikorBUS, ESP-01 and GROVE I2C/UART.
Memory layout
The default linker scripts for FLASH define the following
CM7
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K ITCMRAM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K
CM4
FLASH (rx) : ORIGIN = 0x08100000, LENGTH = 1024K RAM (xrw) : ORIGIN = 0x10000000, LENGTH = 288K
Pinout
LED PI13 LD6 RED PJ2 LD7 GREEN PD3 LD8 GREEN BUTTON PC13 B1 RESET B2 X1 25 MHz OSC MODULE OSC_IN X2 NX3215SA-32.768K OSC32_IN OSC32_OUT
OpenOCD
/mnt/c/Apps/OpenOCD-20230712-0.12.0/bin/openocd.exe -f "interface/stlink.cfg" -c "transport select hla_swd" -f "target/stm32h7x.cfg"
Open On-Chip Debugger 0.12.0 (2023-07-12) [https://github.com/sysprogs/openocd]
Licensed under GNU GPL v2
libusb1 09e75e98b4d9ea7909e8837b7a3f00dda4589dc3
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
hla_swd
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : clock speed 1800 kHz
Error: libusb_open() failed with LIBUSB_ERROR_NOT_SUPPORTED
Info : STLINK V3J13M4 (API v3) VID:PID 0483:3754
Info : Target voltage: 3.265339
Info : [stm32h7x.cpu0] Cortex-M7 r1p1 processor detected
Info : [stm32h7x.cpu0] target has 8 breakpoints, 4 watchpoints
Info : starting gdb server for stm32h7x.cpu0 on 3333
Info : Listening on port 3333 for gdb connections
