DocID027351 Rev 3
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UM1855
Connectors
99
3.14
CAN D-sub male connector CN5
Figure 30. CAN D-sub (DE-9M) 9-pole male connector CN5 (front view)
3.15
NFC connector CN13
Figure 31. NFC female connector CN13 (top view)
Table 44. CAN D-sub (DE-9M) 9-pins male connector CN5
Terminal
Terminal name
Terminal
Terminal name
1,4,8,9
NC
7
CANH
2
CANL
3,5,6
GND
-36
Table 45. NFC CN13 terminal assignment
CN13
terminal
NFC signal
MCU port
Description
1
NFC_IRQOUTN or
UART_TX
PB7
Interrupt output for NFC
Connected to STM32L476ZGT6 UART RX
2
NFC_IRQINN or
UART_RX
PB6
Interrupt input for CR95HF
Connected to STM32L476ZGT6 UART TX
06Y9