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Silicon Labs CP2102 3.3V USB to serial module (HCMODU0051) 
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Joined: Sun Aug 05, 2012 4:02 pm
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Post Silicon Labs CP2102 3.3V USB to serial module (HCMODU0051)


A high performance very low cost USB to UART interface allowing you to communicate with TTL serial devices such as microcontroller UART's using your PC. The module has a silicon labs CP2102 based device and a convenient pin header which includes a 5V and 3.3V supply. Virtual COM port drivers are available for Windows, Mac, Linux, and Android operating systems.

Note about using with Arduino boards: This module is compatible with Arduino hardware and software and will work fine for this purpose. However the module does not include a DTR pin which is used by the Arduino environment for auto-resetting your Arduino board whilst downloading sketches. You will therefore need to manually reset your board at the point the Arduino environment finishes compiling your sketch and attempts to program your board. If you would prefer a module that includes the DTR pin please see our download module HCARDU0011.


Stable and reliable chipset CP2102
USB specification 2.0 compliant with full-speed 12Mbps
Standard USB Type A male and TTL 6pin connector. 6pin for 3.3V, RST, TXD, RXD, GND & 5V
All handshaking and modem interface signals
Baud rates: 300 bps to 1.5 Mbps
Byte receive buffer: 640 byte transmit buffer
Hardware or X-On/X-Off handshaking supported
Temperature Range: -40 to +85
3.3V regulated Vout current: 100mA Max

Support Windows 98SE, 2000, XP, Visa,Window7, Mac OS 9, Mac OS X & Linux2.40




VCP Drivers:

Virtual Com Port drivers for Windows, Mac, Linux and Android opperating systems can be downloaded from the Silicon Labs website at the following location: ... ivers.aspx

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Sat Jan 11, 2014 11:26 am
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