Datasheet

Copyright © 2010 Future Technology Devices International Limited 13
Document Reference No.: FT_000054
TTL-232R TTL TO USB SERIAL CONVERTER RANGE OF CABLES Datasheet Version 2.02
Clearance No.: FTDI# 53
5 TTL-232R-5V-AJ and TTL-232R-3V3-AJ
The TTL-232R-5V-AJ and TTL-232R-3V3-AJ cables are both terminated by a standard 3.5mm Audio Jack
(AJ) connector. The difference between the two cables is that the TTL-232R-5V-AJ operates at +5V levels
(signals and power supply) and the TTL-232R-3V3-AJ operates at +3.3V levels (signals and power
supply). On these cables the VCC power is not transferred.
5.1 TTL-232R-5V-AJ, TTL-232R-3V3-AJ Connector Pin Out and Mechanical
details
Figure 5.1 TTL-232R-5V and TTL-232R-3V3, 6 Way Header Pin Out
The mechanical details of the Audio Jack connector are shown in the following Figure 5.2.
Figure 5.2 TTL-232R-5V-AJ and TTL-232R-3V3-AJ Audio Jack Mechanical Details
GND
TXD
RXD
1
4
5
CABLE 1.8m
3.5mm Audio Jack
BLACK
ORANGE
YELLOW
14.0 +/- 0.2
3.0+/- 0.1
2.6+/- 0.1
3.2+/- 0.1
3.5+/- 0.1
6.0+/- 0.1
Dimensions in mm