Table 5. Cn16 Mipi10 / Stdc14 Debug Connector; Figure 9. Connecting An External Debug Tool To Program The On-Board Stm32Wl - ST NUCLEO-WL55JC STM32WL User Manual

MIPI10 pin
-
-
1
2
3
4
5
6
7
8
9
10
-
-
UM2592 - Rev 1
Figure 9. Connecting an external debug tool to program the on-board STM32WL
Table 5. CN16 MIPI10 / STDC14 debug connector
STDC14 pin CN4
1 NC
2 NC
3 3V3
4 T_SWDIO
5 GND
6 T_SWCLK
7 GND
8 T_SWO
9 NC
10 T_JTDI
11 GNDDetect
12 T_NRST
13 T_VCP_RX
14 T_VCP_TX
Function
Reserved
Reserved
Target VCC
T_JTMS target SWDIO using SWD protocol or Target JTMS using
JTAG protocol
Ground
T_JCLK target SWCLK using SWD protocol or Target JCLK using
JTAG protocol
Ground
T_JTMS target SWO using SWD protocol or Target JTDO using JTAG
protocol
Not connected
T_JTDI not used by SWD protocol, Target JTDI using JTAG protocol,
only for external tools
GND detect for plug indicator, used on SWD and JTAG neither
T_JTMS target NRST using SWD protocol or Target JTMS using JTAG
protocol
Target RX used for VCP, from UART dedicated to bootloader
Target TX used for VCP, from UART dedicated to bootloader
UM2592
Embedded STLINK-V3E
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