7.13
Pmod
™
connector
On the Discovery kit, the Pmod
™
connector provides flexibility in a small form factor application. Based on
Digilent's Pmod
™
standard popular in connectivity, the Pmod
™
connector is implemented in types 2A and 4A.
The related STM32U5 I/Os for the Pmod
™
function are listed in Table 27. The Pmod
™
connector is 2x6‑pin with a
2.54 mm pitch and right angle female connector.
Caution:
CN4 Pmod
™
and CN3 STMod+ cannot be used at the same time because they share the same signals.
Table 27. Pmod
™
solder bridge configuration
Alternate configuration (UART)
PH13 set HIGH
Standard configuration (SPI)
PH13 set LOW
-
MCU
pin
Pin name
MCU
pin
Pin name
Pmod
™
pin number
Pin name
MCU
pin
PA0 STMOD+.1_UART2_CTS PA4 STMOD+.1_SPI1_NSS 1 7 STMOD+.1_INT PE4
PA2 STMOD+.1_UART2_TX PE15 STMOD+.1_SPI1_MOSI 2 8 STMOD+.1_RST PG7
PA3 STMOD+.1_UART2_RX PE14 STMOD+.1_SPI1_MISO 3 9 - -
PA1 STMOD+.1_UART2_RTS PE13 STMOD+.1_SPI1_SCK 4 10 - -
GND 5 11 GND
3V3 6 12 3V3
UM2839
Pmod™ connector
UM2839 - Rev 4
page 35/54
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