IBASE SMARC-EVK1 User Manual
Page 19
19
19
IBASE Technology Inc.
CN17: RS232/422/485
Pin #
RS232
RS422
RS485
1
TXD-
D-
2
RXD
TXD+
D+
3
TXD
RXD+
4
RXD-
5
GND
6
7
RTS
8
CTS
( SMARC standard define 4 wired RS232 signals)
N9: LVDS (DF13-20DP-1.25V)
Signal Name
Pin #
Pin #
Signal Name
TX0+
1
2
TX0-
GND
3
4
GND
TX1+
5
6
TX1-
GND
7
8
VDD
TX3+
9
10
TX3-
TX2+
11
12
TX2-
GND
13
14
GND
TXC+
15
16
TXC-
BKLT_PWM
17
18
VDD
BKLT_VCC
19
20
BKLT_VCC
19
1
20
2