c232hd Future Technology Devices International Ltd., c232hd Datasheet - Page 2

• Manufacturer Part Number: c232hd
• Description: Usb 2.0 Hi-speed To Uart Cable
• Manufacturer: Future Technology Devices International Ltd.

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The USB 2.0 Hi-Speed to UART cable incorporates FTDI’s FT232H USB to UART interface IC device
which handles all the USB signalling and protocols. The cable provides a fast, simple way to connect
devices with 3.3 volt digital interfaces to USB.
The C232HD UART cable contains a small internal electronic circuit board, utilising the FT232H, which is
encapsulated into the USB connector end of the cable. The FT232H is a single channel USB 2.0 Hi-Speed
(480Mb/s) to UART IC. For full details, features and enhancement descriptions please refer to the FT232H
datasheet, this is available from
http://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232H.pdf.
The digital interface of the cable is made up of ten individual wires which are terminated with single pole
connectors which can be connected next to each other on a male header. The cables digital interface logic
is 3.3 volts.
The USB side of the cable is USB powered and is USB 2.0 Hi-Speed compatible. The cable is 1.8m long
and supports a data transfer rate up to 12 Mbaud.
The C232HD UART cable requires USB drivers, available free from
used to make the FT232H in the cable appear as a virtual COM port (VCP). This then allows the user to
communicate with the USB interface via a standard PC serial emulation port (for example TTY).
Another FTDI USB driver, the D2XX, is used with application software to directly access the FT232H on
the cable though a DLL. This is illustrated in the Figure 1-1.
Figure 1-1 Using the C232HD UART Cable
Software application access to USB via D2XX
Description
TTY
TTY
Copyright © 2011 Future Technology Devices International Limited
Virtual COM Port
USB
USB
UART SIGNALS
UART SIGNALS
USB 2.0 HI-SPEED TO UART CABLE Datasheet
http://www.ftdichip.com
Document Reference No.: FT_000430
Clearance No.: FTDI# 222
Connector
Connector
10 Female pin
10 Female pin
headers
headers
, which are
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