STMicroelectronics B-L462E-CELL1, Руководство пользователя

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Figure 10. TC2050-IDC-NL cable
Table 7. Tag connector pinout
Connector
Pin
number
Pin name Signal name
STM32L
4 pin
Function
CN3
1 1.8V 1V8 - Power
2 TMS/SWDIO TMS/SWDIO PA13 Serial wire data I/O
3 GND - - Ground
4 TCK/SWCLK TCK/SWCLK PA14 Serial wire clock
5 GND - - Ground
6 SWO SWO PB3 Serial wire output
7 NC - - -
8 NC - - -
9 NC - - -
10 RESET# RESET# NRST RESET
8.4 ST-LINK select jumper
The ST-LINK select connector is a 4-pin, 2.54-mm pitch male connector. It is used to decide which target the
ST-LINK is connected to.
Table 8. ST-LINK select jumper
Connector
Pin
number
Pin name Signal name
STM32L
4 pin
Function
CN4
1 T_JTCK T_JTCK -
When CN4 [1-2] and
CN4 [3-4] are ON,
the Discovery board
is selected.
2 TCK/SWCLK TCK/SWCLK PA14
3 T_JTMS T_JTMS -
4 TMS/SWDIO TMS/SWDIO PA13
UM2743
ST-LINK select jumper
UM2743 - Rev 1
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