Avalue EMS-BYT - Manual (Page 27)

Quick Reference Guide
EMS-BYT Series Quick Reference Guide 27
2.4.7 Serial port 1/ 2 – RS485 mode select (SW1)
In Serial Port 1 mode
ON OFF
1 Auto Direction RTS# Control*
2
485TXP external
biasing resistor
OPEN*
3
485TXN external
biasing resistor
OPEN*
In Serial Port 2 mode
ON OFF
4 Auto Direction RTS# Control*
5
485TXP external
biasing resistor
OPEN*
6
485TXN external
biasing resistor
OPEN*
2.4.8 LPC port connector (JLPC1)
Signal PIN PIN Signal
LPC_AD0 1 2 +3.3V
LPC_AD1 3 4 LPC_PORT80_RST#
LPC_AD2 5 6 LPC_FRAME#
LPC_AD3 7 8 LPC1_PORT80_CLK
SERIRQ 9 10 GND
+5V 11 12 GND
+5VSB 13 14 NC