ST STLINK-V3SEGT, Руководство пользователя

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Board connectors UM2448
26/42 UM2448 Rev 5
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.
4 CAN_TX
(1)
5 UART_RX
(2)
2. RX signals are inputs for STLINK-V3SET, outputs for the target.
6 CAN_RX
(2)
7 UART_RTS 8 I2C_SCL
9 GND 10 Reserved
(3)
3. Do not connect on 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 on 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
8 CAN_RX
(2)
18 UART_RX
(2)