Modules
CP2102 USB to RS232(TTL)

The CP2102 is a highly-integrated USB-to-UART Bridge Controller providing a simple solution for updating RS-232designs to USB using a minimum of components and PCB space.

Royalty-free Virtual COM Port (VCP) device drivers provided by Silicon Laboratories allow a CP2102-basedproduct to appear as a COM port to PC applications.

USB <-> RS232(TTL)
Download
Ref. Doc. : CP2102-9.pdf
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Sales Price : RM8.60

Application:

Pin Definition:

  • 3.3V : +3.3V output.
  • RST : Normally not connect, it is Open-drain output of internal POR or driving from external.
  • 5V : +5V output. (connected to USB VBUS)
  • TXD : Connect to device's TX.
  • RXD : Connect to device's RX.
  • GND : Ground.

*Note: This converter is power by USB VBUS.