3
2 Getting started
2-1 Cable connector pin-outs descriptions
Figure 2-1 Cable connector interface pin-outs
Table 2-1 Cable connector pin-outs descriptions
Pin RS232 USB
1
Power (+5V) Power (+5V)
2 +3.3V (for interface auto selection purpose) +3.3V (for interface auto selection purpose)
3
Ground Ground
4 +3.3V (for interface auto selection purpose) Ground (for interface auto selection purpose)
5
TxD Reserved
6
RxD Reserved
7
Reserved Reserved
8
Reserved Reserved
9
CTS D-
10
RTS D+
Note: Voltage level of all RS232 Pin-outs (RxD, TxD, CTS and RTS) is 0V for logic low and 3.3V for logic
high.