Sam4s ER-650 Service Manual page 19

2 Product Specifications
2-5 Interface Specifications
2-5 B-(d) Signal Description (Port#1)
Pin No. Signal Name
1(7) TX/RX_B
2(8)
TX/RX_B
3(9) F.GND
4(10)
F.GND
5(11) TX/RX_A
6(12) TX/RX_A
Note : The signal description of the Port#2 are same as it of the Port#1
2-12
Signal Direction
In/Out
Transmit/Receive Data Line B
Pin 1 and Pin 2 are shorted each other on I/F PBA.
In/Out
-
Frame Ground
-
In/Out Transmit/Receive Data Line A
Pin 4 and Pin 5 are shorted each other on I/F PBA.
In/Out
Table2-21 IRC Signal Description
Function
SAM4S ER-650 SERIES