Connectors; D-Sub Male Connector Cn9; Power Connector Cn22; Table 32. Rs-232 D-Sub (De-9M) Connector Cn9 With Hw Flow Control And Isp Support - STMicroelectronics STM32L476G-EVAL User Manual

Connectors

3 Connectors
3.1 RS-232 D-sub male connector CN9

Table 32. RS-232 D-sub (DE-9M) connector CN9 with HW flow control and ISP support

Terminal
1
2
3
4
5
3.2

Power connector CN22

The STM32L476G-EVAL board can be powered from a DC-5V external power supply via
the CN22 jack illustrated in
60/100

Figure 20. RS-232 D-sub (DE-9M) 9-pole connector (front view)

Terminal name
NC
RS232_RX (PB7)
RS232_TX (PG12)
NC
GND
Figure

Figure 21. Power supply connector CN22 (front view)

DocID027351 Rev 3
Terminal
6
7
8
9
-
21. The central pin of CN22 must be positive.
UM1855
Description
Bootloader_BOOT0
NC
Bootloader_RESET
NC
-