Jtag/Swd Debug Connector - OLIMEX STM32-H405 User Manual

OLIMEX© 2016

6.2 JTAG/SWD debug connector

The board can be debugged from the 20-pin JTAG connector either by a debugger with compatible
connector. The on-board JTAG connector has 0.1" step of its pins. Below is the table with the
signals of the JTAG. This interface can be used with the Olimex's OpenOCD debuggers. It is also
compatible with most of the ARM debuggers available on the market.
JTAG/SWD debug connector
Signal
Pin #
Name
1 3.3V
3 TRST
5 TDI
7 TMS
9 TCK
11 GND
13 TDO
15 RST
17 GND
19 GND
Signal
Pin #
Name
2 3.3V
4 GND
6 GND
8 GND
10 GND
12 GND
14 GND
16 GND
18 GND
20 GND
Page 18 of 30
STM32-H405 user's manual