datasheet

Future Technology Devices International Ltd
C232HD
USB 2.0 Hi-Speed to UART Cable
Datasheet
Document Reference No.: FT_000430
Version 1.2.1
Issue Date: 2016-05-05
Future Technology Devices International Limited (FTDI)
Unit 1, 2 Seaward Place, Glasgow G41 1HH, United Kingdom
Tel.: +44 (0) 141 429 2777 Fax: + 44 (0) 141 429 2758
E-Mail (Support): [email protected] Web: http://www.ftdichip.com
Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the user agrees to
defend, indemnify and hold harmless FTDI from any and all damages, claims, suits or expense resulting from such
use.
© Copyright Future Technology Devices International Ltd
Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
Version 1.2.1
Clearance No.: FTDI# 222
1
Description
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 http://www.ftdichip.com , which are
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.
Connector
VCP
TTY
USB
UART SIGNALS
10 Female pin
headers
Virtual COM Port
Connector
D2XX
DLL
TTY
USB
UART SIGNALS
10 Female pin
headers
Software application access to USB via D2XX
Figure 1-1 Using the C232HD UART Cable
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
Version 1.2.1
Clearance No.: FTDI# 222
1.1 Available Cables and Part Numbers
The following Table 1.1 gives details of the available C232HD UART cables.
Part Number
Description
End Connector
10 core, UL2464 24 AWG,
USB to UART cable with +3.3V
C232HD-DDHSP-0
Cable details
digital level signals. Maximum
Single pole,
output of 250mA @ 3.3VDC on VCC
receptacle x 10
diameter=6.5mm
length = 1800mm
(see Note 1)
10 core, UL2464 24 AWG,
USB to UART cable with +3.3V
C232HD-EDHSP-0
digital level signals. Maximum
Single pole,
output of 450mA @ 5.0VDC on VCC
receptacle x 10
diameter=6.5mm
length = 1800mm
(see Note 2)
Table 1.1 C232HD UART Cable Descriptions and Part Numbers
Note 1: The VCC power output signal (RED wire) is 3.3V. The source of 3.3V is the on-board regulator output, which
is switched onto the power output signal.
Note 2: The VCC power output signal (RED wire) is 5.0V. The source of 5.0V is the USB VBUS input, which is
switched onto the power output signal.
FTDI supports customised end connector designs. For more information, please contact your local FTDI
sales office (see end of datasheet for contact details).
1.2 Certifications
The FTDI C232HD UART cables are fully RoHS compliant. At the time of writing this datasheet the cables
were being CE and FCC tested.
1.3 USB Compliant
The FTDI C232HD UART cables are fully compliant with the USB 2.0 specification and have been given
the USB-IF Test-ID (TID) 10820025.
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
Version 1.2.1
Clearance No.: FTDI# 222
Table of Contents
1
2
3
Description ..................................................................................... 1
1.1
Available Cables and Part Numbers ............................................................... 2
1.2
Certifications ................................................................................................. 2
1.3
USB Compliant .............................................................................................. 2
Typical Applications ........................................................................ 4
2.1
Driver Support .............................................................................................. 4
2.2
Features ........................................................................................................ 5
C232HD UART Cable connection and Mechanical Details ................ 6
3.1
C232HD UART Cable Signal Descriptions ....................................................... 7
3.2
C232HD UART Cable Signal Descriptions ....................................................... 8
3.3
C232HD UART Cable Electrical Parameters.................................................... 9
3.3.1
C232HD-DDHSP-0 Electrical Parameters ....................................................... 9
3.3.2
C232HD-EDHSP-0 Electrical Parameters ....................................................... 9
3.3.3
C232HD-DDHSP-0 and C232HD-EDHSP-0 I/O Characteristics ........................10
4
Cable PCB Circuit Schematic ......................................................... 11
5
Contact Information ..................................................................... 14
Appendix A - Cable EEPROM Configuration ......................................... 15
Appendix B - List of Figures and Tables ............................................. 16
Appendix C – Revision History ........................................................... 17
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
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2

Typical Applications
Interfacing MCU / PLD / FPGA based

Set Top Box PC - USB interface
designs to USB

USB Digital Camera Interface

USB Medical applications

USB Hardware Modems

Rapid USB integration into existing

USB Wireless Modems
electronic systems

USB Bar Code Readers
Prototyping platform for USB interface on

USB Industrial Control
new systems

Upgrading Legacy Peripherals to USB


USB to RS232 / RS422 / RS485 Converters

USB Instrumentation
2.1 Driver Support
Royalty free VIRTUAL COM PORT
Royalty free D2XX Direct Drivers
(VCP) DRIVERS for...
(USB Drivers + DLL S/W Interface)

Microsoft Windows 10 32,64-bit

Microsoft Windows 10 32,64-bit

Microsoft Windows 8/8.1 32,64-bit

Microsoft Windows 8/8.1 32,64-bit

Microsoft Windows 7 32,64-bit

Microsoft Windows 7 32,64-bit

Microsoft Windows 2000, Server 2003, XP and
Server 2008

Microsoft Windows 2000, Server 2003, XP and
Server 2008

Microsoft Windows XP and XP 64-bit

Microsoft Windows XP and XP 64-bit

Microsoft Windows Vista and Vista 64-bit

Microsoft Windows Vista and Vista 64-bit

Microsoft Windows CE 4.2, 5.0 and 6.0

Microsoft Windows CE 4.2, 5.0 and 6.0

Apple Mac OS-X

Linux 2.6.32 or later

Linux 2.6.39 or later
The drivers listed above are all available to download for free from http://www.ftdichip.com. Various
Third Party Drivers are also available for various other operating systems - see
http://www.ftdichip.com/Support/Links.htm for details.
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
Version 1.2.1
Clearance No.: FTDI# 222
2.2 Features

Based on the single chip USB Hi-Speed
FT232H device

1kByte receive and transmit buffers for
high data throughput

USB 2.0 Hi-Speed (480Mbits/Second) and
Full Speed (12Mbits/Second) compatible

Transmit and receive LEDs
Entire USB protocol handled on the chip –
No USB-specific firmware programming
required

Adjustable receive buffer timeout


Support for USB suspend and resume

Low operating and USB suspend current

Low USB bandwidth consumption

UHCI / OHCI / EHCI host controller
compatible

USB Type A connector for direct connection
to USB host or hub

USB bus powered

Asynchronous UART transfer data rate up
to 12Mbaud

-40°C to +85°C operating temperature
range

UART interface support for 7 or 8 data bits,
1 or 2 stop bits and odd / even / mark /
space / no parity

Cable length is 1.8m (6 feet)

Custom versions also available (subject to
Minimum Order Quantity (MOQ))

FTDI’s royalty-free VCP and D2XX drivers
eliminate the requirement for USB driver
development in most cases

Fully assisted hardware or X-On / X-Off
software handshaking
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
Version 1.2.1
Clearance No.: FTDI# 222
3
C232HD UART Cable connection and Mechanical Details
The following Figure 3-1 shows the cable signals and the wire colours for these signals on the C232HD
UART cable.
VCC
1
1
TXD
2
RXD
3
3
RTS#
4
4
CTS#
5
DTR#
6
6
DSR#
7
7
DCD#
8
8
RI#
GND
RED
2
ORANGE
YELLOW
GREEN
5
BROWN
CABLE 1.8m
GREY
PURPLE
WHITE
9
9
10
10
BLUE
BLACK
Figure 3-1 C232HD UART Cable Connections (numbers refer to pad numbers on the PCB)
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
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3.1 C232HD UART Cable Signal Descriptions
Figure 3-2 C232HD UART Cable Mechanical Details (dimensions in mm)
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
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3.2 C232HD UART Cable Signal Descriptions
Colour
Pin
Number
Name
Type
Description
Red
1
VCC
Output
Power Supply Output to target board.
Orange
2
TXD
Output
Transmit Asynchronous Data output.
Yellow
3
RXD
Input
Green
4
RTS#
Output
Brown
5
CTS#
Input
Gray
6
DTR#
Output
Purple
7
DSR#
Input
Data Set Ready modem signalling line
White
8
DCD#
Input
Data Carrier Detect modem signalling line
RI#
Input
RI# = Ring Indicator Control Input. When the Remote
Wake up option is enabled in the EEPROM, taking RI#
low can be used to resume the PC USB Host controller
from suspend.
GND
GND
Device ground supply pin.
Blue
Black
9
10
Receive Asynchronous Data input.
Request To Send Control Output / Handshake signal.
Clear to Send Control input / Handshake signal.
Data Transmit Ready modem signalling line
Table 3.1 C232HD UART Cable Signal Descriptions
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Document Reference No.: FT_000430
USB 2.0 HI-SPEED TO UART CABLE Datasheet
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3.3 C232HD UART Cable Electrical Parameters
3.3.1 C232HD-DDHSP-0 Electrical Parameters
Parameter
Description
Minimum
Typical
Maximum
Units
VCC
Output Power Voltage
3.2
3.3
3.6
V
IO
Output Power Current
-
-
250
mA
T
Operating Temperature
Range
-40
+85
Conditions
o
C
Table 3.2 C232HD-DDHSP-0
3.3.2 C232HD-EDHSP-0 Electrical Parameters
Parameter
VCC
IO
T
Description
Output Power Voltage
Supply Current
Operating Temperature
Range
Minimum
Typical
Maximum
Units
4.75
5
5.25
V
-
-
450
mA
-40
+85
Conditions
Must be less than 2.5mA
during suspend.
o
C
Table 3.3 C232HD-EDHSP-0 Power Supply Output Parameters
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Document Reference No.: FT_000430
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3.3.3 C232HD-DDHSP-0 and C232HD-EDHSP-0 I/O Characteristics
Parameter
Description
Minimum
Typical
Voh
Output Voltage High
2.40
3.14
Maximum
Units
Conditions
Ioh = +/-2mA
V
I/O Drive strength* = 4mA
3.20
V
3.22
V
3.22
V
I/O Drive strength* = 8mA
I/O Drive strength* =
12mA
I/O Drive strength* =
16mA
Iol = +/-2mA
Vol
Output Voltage Low
0.18
0.40
V
I/O Drive strength* = 4mA
Vil
Vih
Vt
Vt-
Vt+
Rpu
Rpd
Iin
Ioz
0.12
V
0.08
V
0.07
V
Input low Switching
-
Input High Switching
Threshold
Schmitt trigger negative
going threshold voltage
0.80
resistance
Input Leakage Current
Tri-state output leakage
current
16mA
-
V
LVTTL
1.50
V
LVTTL
-
V
1.60
2.00
V
40
75
190
KΩ
Vin = 0
40
75
190
KΩ
Vin =VCCIO
15
45
85
μA
Vin = 0
μA
Vin = 5.5V or 0
going threshold voltage
Input pull-down
I/O Drive strength* =
1.10
Schmitt trigger positive
Input pull-up resistance
12mA
LVTTL
2.00
Switching Threshold
I/O Drive strength* =
V
Threshold
0.80
I/O Drive strength* = 8mA
±10
Table 3.4 C232HD-DDHSP-0 and C232HD-EDHSP-0 I/O Pin Characteristics
* The I/O drive strength and slow slew-rate are configurable in the EEPROM.
The I/O pins are +3.3v cells, which are +5V tolerant
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Cable PCB Circuit Schematic
The circuit schematics for the small internal electronic circuit board, utilising the FTDI FT232H, which is
encapsulated into the USB connector end of the cable, are shown in
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Document Reference No.: FT_000430
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Figure 4-1 Circuit Schematic of PCB - C232HD-DDHSP-0 and .
Customised versions of these cables can also be developed. Users interested in customised versions of
these cables should contact FTDI sales ([email protected]).
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Figure 4-1 Circuit Schematic of PCB - C232HD-DDHSP-0
Figure 4-2 - Circuit Schematic of PCB - C232HD-EDHSP-0
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Figure 4-3 - Circuit Schematic of PCB - C232HD-EDHSP-0
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Contact Information
Head Office – Glasgow, UK
Future Technology Devices International Limited
Unit 1, 2 Seaward Place, Centurion Business Park
Glasgow G41 1HH
United Kingdom
Tel: +44 (0) 141 429 2777
Fax: +44 (0) 141 429 2758
E-mail (Sales)
E-mail (Support)
E-mail (General Enquiries)
[email protected]
[email protected]
[email protected]
Branch Office – Tigard, Oregon, USA
Future Technology Devices International Limited
(USA)
7130 SW Fir Loop
Tigard, OR 97223
USA
Tel: +1 (503) 547 0988
Fax: +1 (503) 547 0987
E-Mail (Sales)
E-Mail (Support)
E-Mail (General Enquiries)
[email protected]
[email protected]
[email protected]
Branch Office – Taipei, Taiwan
Future Technology Devices International Limited
(Taiwan)
2F, No. 516, Sec. 1, NeiHu Road
Taipei 114
Taiwan , R.O.C.
Tel: +886 (0) 2 8797 1330
Fax: +886 (0) 2 8751 9737
E-mail (Sales)
E-mail (Support)
E-mail (General Enquiries)
[email protected]
[email protected]
[email protected]
Branch Office – Shanghai, China
Future Technology Devices International Limited
(China)
Room 1103, No.666 West Huaihai Road,
Shanghai, 200052
China
Tel: +86 21 62351596
Fax: +86 21 62351595
E-mail (Sales)
E-mail (Support)
E-mail (General Enquiries)
[email protected]
[email protected]
[email protected]
Web Site
http://ftdichip.com
Distributor and Sales Representatives
Please visit the Sales Network page of the FTDI Web site for the contact details of our distributor(s) and sales
representative(s) in your country.
System and equipment manufacturers and designers are responsible to ensure that their systems, and any Future Technology
Devices International Ltd (FTDI) devices incorporated in their systems, meet all applicable safety, regulatory and system-level
performance requirements. All application-related information in this document (including application descriptions, suggested
FTDI devices and other materials) is provided for reference only. While FTDI has taken care to assure it is accurate, this
information is subject to customer confirmation, and FTDI disclaims all liability for system designs and for any applications
assistance provided by FTDI. Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the
user agrees to defend, indemnify and hold harmless FTDI from any and all damages, claims, suits or expense resulting from
such use. This document is subject to change without notice. No freedom to use patents or other intellectual property rights is
implied by the publication of this document. Neither the whole nor any part of the information contained in, or the product
described in this document, may be adapted or reproduced in any material or electronic form without the prior written consent
of the copyright holder. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park,
Glasgow G41 1HH, United Kingdom. Scotland Registered Company Number: SC136640
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Appendix A - Cable EEPROM Configuration
Each C232HD cable is controlled by the FTDI FT232H IC. This cable contains an EEPROM which contains
the USB configuration descriptors for that device. When the cable is plugged into a PC or a USB reset is
performed, the PC will read these descriptors. The default values stored into the internal EEPROM are
defined in the following table.
Parameter
Value
USB Vendor ID (VID)
0403h
FTDI default VID (hex)
USB Product UD (PID)
6014h
FTDI default PID (hex)
Serial Number Enabled?
Notes
Yes
A unique serial number is generated and programmed into
Serial Number
See Note
the EEPROM during device final test.
Enabling this option will make the device pull down on the
Pull down I/O Pins in USB
Suspend
Manufacturer Name
Disabled
UART interface lines when the power is shut off (PWREN#
is high).
FTDI
Product description depends on the cable. The following
lists a the Product descriptions for each different cable.
Product Description
See note
C232HD-DDHSP-0
C232HD-EDHSP-0
Includes power to operate the FT232H plus the cable
Max Bus Power Current
Power Source
500mA
output current.
Bus Powered
Device Type
FT232H
USB Version
0200
Returns USB 2.0 device description to the host.
Note: The device is a USB 2.0 Hi-Speed device (480Mb/s).
Remote Wake Up
Disabled
High Current I/Os
Enabled
Load VCP Driver
Enabled
Invert TXD
Disabled
Signal on this pin becomes TXD# if enable.
Invert RXD
Disabled
Signal on this pin becomes RXD# if enable.
Invert RTS#
Disabled
Signal on this pin becomes RTS if enable.
Invert CTS#
Disabled
Signal on this pin becomes CTS if enable.
Enables the high drive level on the UART and CBUS I/O
pins.
Makes the device load the VCP driver interface for the
device.
Default Internal EEPROM Configuration
The cable EEPROM in the cable can be re-programmed over USB using the utility program FT_PROG. Both
can be downloaded from www.ftdichip.com.
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Appendix B - List of Figures and Tables
List of Figures
Figure 1-1 Using the C232HD UART Cable ....................................................................................................1
Figure 3-1 C232HD UART Cable Connections (numbers refer to pad numbers on the PCB) ..................6
Figure 3-2 C232HD UART Cable Mechanical Details (dimensions in mm) ................................................7
Figure 4-1 Circuit Schematic of PCB - C232HD-DDHSP-0 ..........................................................................12
Figure 4-2 - Circuit Schematic of PCB - C232HD-EDHSP-0 ........................................................................13
List of Tables
Table 1.1 C232HD UART Cable Descriptions and Part Numbers ................................................................2
Table 3.1 C232HD UART Cable Signal Descriptions .....................................................................................8
Table 3.2 C232HD-DDHSP-0 ............................................................................................................................9
Table 3.3 C232HD-EDHSP-0 Power Supply Output Parameters ..................................................................9
Table 3.4 C232HD-DDHSP-0 and C232HD-EDHSP-0 I/O Pin Characteristics ...........................................10
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Appendix C – Revision History
Document Title:
C232HD
Document Reference No.:
FT_000430
Clearance No.:
FTDI# 222
Product Page:
http://www.ftdichip.com/Products/Cables/USBMPSSE.htm
Document Feedback:
Send Feedback
Version 1.0
Initial Release
29th September 2011
Version 1.1
Updated schematic to give correct the
14th March 2012
correct part number for the fuse, and
correct current limits in Table1.1.
Updated section 1.1, Linux Version
Version 1.2
Added section 1.3, USB logo and
14th May 2012
TID numbers
Version 1.2.1
Correct the typo data in table 3.2 and
24 th May 2016
table 3.3
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