Information

NXP Semiconductors
AN11022
CLRC663 Quickstart Guide
Table 5. DSUB-9 Pinning for RS232
Pin
Signal
D
Voltage
1
DCD (Data Carrier Detect)
O
± 3 – 12 V
2
RD (Receive Data)
O
± 3 – 12 V
3
TD (Transmit Data)
I
± 3 – 12 V
4
DTR (Data Terminal Ready)
I
± 3 – 12 V
5
GND
Pwr
6
DSR (Data Set Ready)
O
± 3 – 12 V
7
RTS (Ready To Send)
I
± 3 – 12 V
8
RTS (Ready To Send)
O
± 3 – 12 V
9
RI (IRQ)
O
± 3 – 12 V
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Application note
COMPANY PUBLIC
Rev. 1.2 — 14 January 2015
205912
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