XR3160E
8
RS-232/RS-485/RS-422 TRANSCEIVER WITH 15KV ESD PROTECTION REV. 1.0.0
PIN DESCRIPTIONS
Pin Name RS-232 RS-485 Full Duplex RS-485 Half Duplex
1 C1+ Charge pump cap 1 positive lead, 0.1µF
2 VCC
Main Supply, V
CC
= +3.0V to +5.5V, bypass to ground with 1.0µF
3 C1- Charge pump cap 1 negative lead
4 GND Ground
5 T1OUT, B/Z Transmitter 1 Output Z Driver Neg Output B/Z Neg Input/Output
6 T2OUT, A/Y Transmitter 2 Output Y Driver Pos Output A/Y Pos Input/Output
7 R1OUT Receiver 1 Output X X
8 R2OUT, RO Receiver 2 Output Receiver TTL Output Receiver TTL Output
9 SHDN Low power shutdown mode when low
10 SLEW Data rate limited to 250kbps when low
11 RS-485/RS-232 0 1 1
12 HALF/FULL X 0 1
13 R2IN, A Receiver 2 Input A Pos Receiver Input X
14 R1IN, B Receiver 1 Input B Neg Receiver Input X
15 T2IN, DE Transmitter 2 Input Driver enabled when high
16 T1IN, DI Transmitter 1 Input Driver TTL Input
17 V- Charge pump negative supply, 0.1µF from ground
18 C2- Charge pump cap 2 negative lead
19 C2+ Charge pump cap 2 positive lead, 0.1µF
20 V+ Charge pump positive supply, 0.1µF to ground