ST STLINK-V3SET - SPI;GPIO Bridge Connector; Bridge 20-Pins Connector; Table 12. UART Bridge Connector CN7; Table 13. SPI Bridge Connector CN8

UM2448 Rev 6 27/49
UM2448 Board connectors
48
8.2.8 SPI/GPIO bridge connector
Some bridge functions are provided on a 2x5-pin connector with 1.27 mm pitch CN8. The
related pinout is listed in
Table 13.
8.2.9 Bridge 20-pins connector
All bridge functions are provided on a 2x10-pin connector with a 2.0 mm pitch CN9. The
related pinout is listed in
Table 14.
Table 12. UART bridge connector CN7
Pin number Description Pin number Description
1 UART_CTS 2 I2C_SDA
3 UART_TX
(1)
1. TX signals are outputs for STLINK-V3SET, inputs for the target.
4CAN_TX
(1)
5UART_RX
(2)
2. RX signals are inputs for STLINK-V3SET, outputs for the target.
6CAN_RX
(2)
7UART_RTS8 I2C_SCL
9 GND 10 Reserved
(3)
3. Do not connect to the target.
Table 13. SPI bridge connector CN8
Pin number Description Pin number Description
1 SPI_NSS 2 Bridge_GPIO0
3 SPI_MOSI 4 Bridge_GPIO1
5 SPI_MISO 6 Bridge_GPIO2
7 SPI_SCK 8 Bridge_GPIO3
9 GND 10 Reserved
(1)
1. Do not connect to the target.
Table 14. Bridge connector CN9
Pin number Description Pin number Description
1 SPI_NSS 11 Bridge_GPIO0
2 SPI_MOSI 12 Bridge_GPIO1
3 SPI_MISO 13 Bridge_GPIO2
4 SPI_SCK 14 Bridge_GPIO3
5 GND 15 Reserved
(1)
6 Reserved
(1)
16 GND
7 I2C_SCL 17 UART_RTS
8CAN_RX
(2)
18 UART_RX
(2)