Users Manual

Board function Pin Pin Board function
NC 4 9 NC
GND 5 -
6.21.2 IO restriction to other features
The RS-232 must not be operated simultaneously with the STLINK-VCP.
6.22 FDCAN
The STM32MP157x-EV1 board supports one FDCAN compliant with ISO-11898-1 version 2.0 part A, B. The
MB1262/CN15 DB9 male connector is available as FDCAN interface.
6.22.1 Operating voltage
A 5V/3v3 IO compliant high speed FDCAN transceiver is fitted between the MB1262/CN15 connector and the
CAN controller port of STM32MP157xAA3.
6.22.2 FDCAN interface
Table 34 describes the IO for the CAN interface.
Table 34. IO configuration for the SDIO interface
IO Signal
PG3 CAN_STBY
PH13 CAN_TX
PI9 CAN_RX
Figure 20 shows the FDCAN connector pinout MB1262/CN15.
Figure 20. FDCAN connector pinout CN15
Table 35 describes the FDCAN interface and connector pinout CN17.
Table 35. FDCAN interface and connector pinout CN17
CAN transceiver
Board function Pin Pin Board function CAN transceiver
- NC 1 6 GND -
CANL CANL 2 7 CANH CANH
GND GND 3 8 NC -
- NC 4 9 NC -
- GND 5 -
UM2535
FDCAN
UM2535 - Rev 2
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