8.4 CN7 TAG10 TAG-Connect
Section 7.1 presents the ST-LINK default debugging and programming tool. However, it is possible to use
another debugging and programming tool through the CN7 TAG-Connect in its TAG10 10‑pin version.
Figure 18. CN7 TAG-Connect pinout
Table 18. CN7 connector pinout
Pin number
Pin name Signal name STM32W5MMG pin Function
1 3V3_STLK 3V3 - Reference level
2 TAG_SWDIO SWDIO PA13 Serial wire data I/O
3 GND - - Ground
4 TAG_SWCLK SWCLK PA14 Serial wire clock
5 GND - - Ground
6 TAG_SWO SWO PB3 Serial wire output
7 NC - - -
8 NC - - -
9 NC - - -
10 TAG_NRST /Reset NRST Reset
If the TAG-Connect is used, it is very important to disable the embedded ST-LINK to avoid signal conflict between
this ST-LINK and the external tool. To disable the embedded ST-LINK, it is only necessary to set the STM32F103
in reset mode, with JP3 jumper ON.
UM2825
CN7 TAG10 TAG-Connect
UM2825 - Rev 1
page 26/42
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