USB-RS232-PCBA FTDI, USB-RS232-PCBA Datasheet - Page 10

• Manufacturer Part Number: USB-RS232-PCBA
• Description: Interface Modules & Development Tools USB to RS232 Embeded Converter PCB Assy
• Manufacturer: FTDI

Specifications of USB-RS232-PCBA

• Interface Type: USB, RS-232
• Data Bus Width: Serial
• Operating Supply Voltage: 5 V
• Product: Interface Modules
• For Use With/related Products: FT232R
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.1
Table 4.1 USB-RS232-PCB Signal Descriptions
4.2
Selection of whether the POWER signal is GND, +3.3V or +5V is done using resistors. The following table
gives details of what resistors are required for the different voltage levels.
Resistor
Table 4.2 UART Signal Level Selection
Fitted
Fitted
Fitted
POWER
Name
CTS#
RTS#
Not
Not
R2
GND
TXD
RXD
USB-RS232-PCB Signal Descriptions
USB-RS232-PCB +5V/+3.3V Selection
Resistor
Fitted
Fitted
Fitted
Not
Not
R3
Output
Output
Output
Input
Input
Type
GND
Copyright © 2011 Future Technology Devices International Limited
Description
VCC floats
POWER Signal is +3.3V
POWER Signal is +5.0V
Description
Device ground supply pin.
Clear to Send Control input / Handshake signal.
Power output. Default is GND, but can be customised to
output +3.3V or +5V. If required, contact FTDI Sales Team
([e-mail])
Transmit Asynchronous Data output.
Receive Asynchronous Data input.
Request To Send Control Output / Handshake signal.
USB TO RS232 UART SERIAL CONVERTER
Document Reference No.: FT_000079
PCB
Clearance No.: FTDI# 52
Datasheet Version 1.41
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