There are two different ways to program and debug the onboard STM32 MCU:
• Using the embedded STLINK-V3E
• Using an external debug tool
6.1 Embedded STLINK-V3E
6.1.1 Description
The STLINK-V3E programming and debugging tool is integrated into the STM32H7B3I-EVAL Evaluation board.
The embedded STLINK-V3E supports:
• 5 V power supplied by the CN21 USB connector
• USB 2.0 high-speed-compatible interface
• JTAG and serial wire debugging (SWD) specific features:
– 3 to 3.6 V application voltage on the JTAG/SWD interface and 5V tolerant inputs
– JTAG
– SWD and serial viewer (SWV) communication
• Direct firmware update feature (DFU) (CN25)
• MIPI10 compatible connector (CN16)
• Status COM LED (LD9) which blinks during communication with the PC
• Fault red LED (LD8) alerting on USB overcurrent request
• 5 V / 500 mA output power supply capability (U19) with current limitation
• 5 V enabled green LED (LD7)
6.1.2 How to use
It is very easy to use STLINK-V3E to program and debug the on-board STM32.
1. Verify that the jumper JP29 of Power Supply Sources is correctly set. (Refer to Table 9).
2. Connect the board to a PC with a USB Type-A to Micro-B cable through the USB connector CN21.
Note: For more details regarding the STLINK-V3E functionalities, refer to the STLINK-V3E user manual on the
www.st.com website.
UM2662
Embedded STLINK-V3E
UM2662 - Rev 1
page 9/95
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