Copyright © 2010 Future Technology Devices International Limited

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Document Reference No.: FT_000204

DB9-USB-RS232 Datasheet

Version 1.2

Clearance No.: FTDI# 130

FTDI FT232R

USB Serial Bridge

RS232

Level Shifter

USB Mini B

Client

Connector

DB9 PCB

Decal

DB9 Module

DB9 Module

Figure 1.2 – DB9-USB-RS232 Block Diagram

1.2.1 Block description

USB Mini B Client Connector

This connector provides the interface for connection to a USB Host or Hub port.

FTDI FT232R

The FTDI FT232R provides the USB-to-Serial conversion. Operating system device drivers are required in

order to operate with the FT232R to provide the Virtual COM Port serial functionality.

RS232 Level Shifter

The RS232 level shifter converts the signals provided by the FT232R into the voltage levels required by

application RS232 interface.

DB9 PCB Footprint

The DB9 pin-out configured in an industry standard (TIA/EIA-574) pin-out to provide connection to

RS232 peripherals through a standard DB9 footprint . See section 2.1.2