TTL-232R-3V3-WE FTDI, TTL-232R-3V3-WE Datasheet - Page 17

• Manufacturer Part Number: TTL-232R-3V3-WE
• Description: Cables (Cable Assemblies) USB Embedded Serial Conv 3V3 Wire End
• Manufacturer: FTDI

Specifications of TTL-232R-3V3-WE

• Product: USB to Serial Assemblies
• Number Of Conductors: 6
• Wire Size (awg): 24
• Connector End A: USB Type A Plug
• Connector End B: Wire End
• Length: 1.8 m
• Cable Type: USB to TTL Serial UART Converter Cable
• Description/function: USB to Serial Cable Assembly
• Equipment Type: USB to Serial Cable Adapter
• Voltage Rating: 3.3 V
• Color: Black
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

6
The TTL-232R-5V-WE and TTL-232R-3V3-WE cables are both un-terminated; they are bare and tinned
wires. The difference between the two cables is that the TTL-232R-5V-WE operates at +5V levels (signals
and power supply) and the TTL-232R-3V3-WE operates at +3.3V levels (signals only, VCC=+5V).
6.1
The following Figure 6.1 shows the cable signals and the wire colours for these signals on the TTL-232R-
5V-WE and TTL-232R-3V3-WE cables.
Figure 6.1 TTL-232R-5V-WE and TTL-232R-3V3-WE Connections
Figure 6.2 TTL-232R-5V-WE and TTL-232R-3V3-WE Mechanical Details (dimensions in mm)
6.2
Table 6.1 TTL-232R-5V-WE and TTL-232R-3V3-WE Cable Signal Descriptions
6.3
Orange
Colour
Yellow
Brown
Green
Black
Red
VCC
TTL-232R-5V-WE and TTL-232R-3V3-WE Cables
TTL-232R-5V-WE, TTL-232R-3V3-WE Connections and Mechanical
Details
TTL-232R-5V-WE and TTL-232R-3V3-WE Cable Signal Descriptions
TTL-232R-5V-WE and TTL-232R-3V3-WE Electrical Parameters
Name
CTS#
RTS#
GND
VCC
TXD
RXD
GND
CTS#
VCC
RTS#
TXD
RXD
1
2
3
4
5
6
Output
Output
Output
Input
Input
Copyright © 2010 Future Technology Devices International Limited
Type
GND
TTL-232R
Description
Device ground supply pin.
Clear to Send Control input / Handshake signal.
+5V output
Transmit Asynchronous Data output.
Receive Asynchronous Data input.
Request To Send Control Output / Handshake signal.
TTL TO USB SERIAL CONVERTER RANGE OF CABLES Datasheet Version 2.02
CABLE 1.8m
Document Reference No.: FT_000054
Clearance No.: FTDI# 53
1
2
3
4
5
6
BLACK
BROWN
YELLOW
GREEN
RED
ORANGE
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