UC231 – USB to RS232 Converter

1 x RS232, FTDI Chip

SpecificationsOrdering OptionsInquiryDownload


UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity.

Fully assisted hardware or X-On / X-Off software handshaking.

Data transfer rates from 300 baud to 250 kilo-baud at RS232 voltage levels.

512 byte receive buffer and 512 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput

Adjustable receive buffer timeout.

ESD protection on RS232 I/Os exceeding ±15kV IEC1000-4-2 Air Gap Discharge, ±15kV for Human Body Mode (HBM) and ±8kV IEC1000-4-2 Contact Discharge.

ESD protection on USB lines exceeding ±2kV for Human Body Mode (HBM), ±200V for Machine Mode (MM) and ±500V for Charged Device Mode (CDM).

Low operating and USB suspend current.
Low USB bandwidth consumption.
USB 2.0 Full Speed compatible
-40°C to 85°C extended operating temperature range.

OS Supported
Windows 7 / 8 / 8.1 / 10 32,64-bit
Windows Vista
Windows XP 32,64-bit
Windows XP Embedded
Windows CE.NET 4.2 , 5.0 and 6.0
Linux 2.6.32 or later Android

USB : USB Type A
RS232 : DB9 Male
Cable Length : 10 cm (3.94″)

Power Mode : Bus Powered
Operating Voltage : 5VDC
Power Consumption: 5V*90mA at Max.
Weight : 30g
Dimension: 50.6 x 37.7 x 18 mm ( L x W x H )


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File Description File size
zip VCP driver Windows VCP driver for Windows
4 MB
zip VCP driver Mac VCP driver for MAC
473 KB
zip VCP driver Windows CE VCP driver for Windows CE
843 KB
pdf AN_396 FTDI Drivers Installation Guide for Windows 10 VCP driver Installation Guide for Windows 10
1 MB
pdf AN_234_FTDI_Drivers_Installation_Guide_for_Windows_8 VCP driver Installation Guide for Windows 8
1 MB
pdf AN_119_FTDI_Drivers_Installation_Guide_for_Windows7 VCP driver Installation Guide for Windows 7
661 KB
pdf AN_103_FTDI_Drivers_Installation_Guide_for_VISTA(FT_000080) VCP driver Installation Guide for Windows Vista
745 KB
pdf VCP_driver_Windows_2000_Installation_Guide VCP driver Installation Guide for Windows 2000
388 KB
pdf AN_104_FTDI_Drivers_Installation_Guide_for_WindowsXP(FT_000093) VCP driver Installation Guide for Windows XP
1 MB
pdf VCP_driver_Windows_98_Installation_Guide VCP driver Installation Guide for Windows 98
617 KB
pdf VCP_driver_Windows_CE_Installation_Guide VCP driver Installation Guide for Windows CE
574 KB
pdf AN_134_FTDI_Drivers_Installation_Guide_for_MAC_OSX VCP driver Installation Guide for MAC
1 MB
pdf AN_220_FTDI_Drivers_Installation_Guide_for_Linux VCP driver Installation Guide for Linux (kernel 3.0.1 and later)
427 KB

Supported OS

Windows driver
Includes the following version of of the Windows operating system:
Windows 7, Windows Server 2008 R2 and Windows 8, 8.1, Windows server 2012 R2, Windows Server 2016 and Windows 10.
Also, as Windows 8 RT is a closed system not allowing for 3rd party driver installation our Windows 8 driver will not support this variant of the OS.

Mac driver OS X 10.3 to 10.8 (x86 x64 PPC)
Mac driver OS X 10.9 and above (x64)

Windows CE 4.2~5.2 driver
includes the following versions of Windows CE 4.2-5.2 based operating systems: Windows Mobile 2003, Windows Mobile 2003 SE,
Windows Mobile 5, Windows Mobile 6, Windows Mobile 6.1 ,Windows Mobile 6.5.

Windows CE 6.0~7.0 driver
x86, x86 CE 6.0 CAT, x86 CE 7.0 CAT, ARM, ARM CE 6.0 CAT, ARM CE 7.0 CAT, MIP SII, MIP SIV, SH4

Windows CE 2013 (x86 ARM) driver

Linux driver
VCP driver is built-in in Linux kernel version 3.0.1 and later. Please refer to “Installation Guide for Linux” to install the driver.

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