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pITX-iMX8M – Rev. 1.1
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// 49
6.21.
Serial COM P2 (J3)
Figure 29: Serial Wafer Socket COM P2
Table 37: Pin Assignment
Pin
Signal
Direction
1
RS232_P2_TXD
OUT
2
RS232_P2_RXD
IN
3
NC
4
NC
5
GND
Ground
Table 38: Pin Assignment (assembly option)
Pin
Signal
Direction
1
NC
2
NC
3
RS232_P2_TXD
OUT
4
RS232_P2_RXD
IN
5
GND
Ground
6.22.
Serial COM P3 (J19)
Figure 30: Serial Wafer Socket COM P3
Table 39: Pin Assignment RS232 only
Pin
Signal
Direction
1
RS232_P3_TXD
OUT
2
RS232_P3_RXD
IN
1
1