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CP2101 USB to serial IC

Sparkfun makes an excellent breakout board for Silicon Laboratories' CP2101 IC. It looks like this board could be used to connect a PC to your microprocessor through a USB port without having to use a MAX232 IC to convert the TTL voltage levels to the serial port voltage levels and then a USB to serial converter. Drivers are available so the PC sees the CP2101 as a COM port so hyper-terminal could be used to communicate with the microP.

The 'S' in USB stands for serial, it should would be nice to connect a PC to a microP using only one piece of hardware. Am I right about the CP2101 providing this ability?

Any opinions would be appreciated.

4 comments
Jun 24, 2009. 3:31 AMøPossum says:
The FTDI chips have better drivers than the SiLabs CP21xx chips.
Jun 24, 2009. 8:58 AMøPossum says:
The cable version is really cool. Available from DigiKey, Mouser, and others.

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