Connectors; Rs-232 D-Sub Male Connector (Cn9); Power Connector (Cn22); Table 35. Rs-232 D-Sub (De-9M) Connector (Cn9) With Hw Flow Control And Isp Support - ST STM32L476ZG User Manual

Connectors

7 Connectors
7.1

RS-232 D-sub male connector (CN9)

Table 35. RS-232 D-sub (DE-9M) connector (CN9) with HW flow control and ISP
Terminal
1
2
3
4
5
7.2

Power connector (CN22)

The STM32L476G-EVAL board can be powered from a DC-5V external power supply via
the CN22 jack illustrated in
62/80

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)

DC +5V
UM1855 Rev 6
support
Terminal
6
7
8
9
-
21. The central pin of CN22 must be positive.
MS30720V1
Description
Bootloader_BOOT0
NC
Bootloader_RESET
NC
-
GND
MS30721V1
UM1855