DocID030906 Rev 2
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UM2271
Fanout board (MB1280)
77
E.3.2 Compatible
connector
for
UART Grove boards (Fanout CN2)
The CN2 connector is compatible with Grove-NFC boards using cable for connection.
shows the definition of the pins.
Table 35. Description of the I2C Grove board connector pins (CN3)
(1)
1. Please refer to Appendix C to check STMod+ pin sharing with other functions of the 32L4R9IDISCOVERY.
STMod+ connector NO.
Function of Grove CN3
Pin number
STMod+#7-SCL
SCL
1
STMod+#10-SDA
SDA
2
STMod+#6#15 +5 V
VCC
3
STMod+#5#16 GND
GND
4
Table 36. Description of the UART Grove board connector pins (CN2)
(1)
1. Please refer to Appendix C to check STMod+ pin sharing with other functions of the 32L4R9IDISCOVERY.
STMod+ connector
Function of Grove CN2
Pin number
STMod+#3-RX
RX (Grove TX)
1
STMod+#2-TX
TX (Grove RX)
2
STMod+#6#15 +5 V
VCC
3
STMod+#5#16 GND
GND
4
