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CP2104 USB-to-Serial Adapter Carrier (1308)

This USB-to-serial adapter lets you easily connect a TTL serial device to a PC by acting as a virtual serial port.
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DESCRIPTION

This USB-to-serial adapter lets you easily connect a TTL serial device to a PC by acting as a virtual serial port. The board is a Micro-USB carrier for the Silicon Labs CP2104 USB-to-UART bridge that provides access to all of its control signal pins and GPIO pins.

This USB-to-serial adapter is a breakout board for the Silicon Labs CP2104 USB-to-UART bridge, and it is a great solution for connecting microcontroller projects and other logic-level serial devices to a personal computer. The tiny unit measures only 0.6″ × 0.95″ including its Micro-USB connector. It offers several options for accessing the data, control, and GPIO pins on the CP2104, all of which are made available on a 0.1″ spacing.

This board uses 3.45 V signal levels by default, but the signal pins can tolerate higher voltages, allowing the adapter to be used with 5 V systems that see 3.45 V as a logic high. The green LED on the SUSPEND line indicates an active USB connection when lit.

The adapter looks like a standard virtual serial port (COM port) to the computer’s operating system, which means it can be used with any software designed to work with a serial port (even a legacy RS-232 port). The CP2104 is a full-speed USB 2.0 device and allows baud rates of up to 2 Mbps. Drivers are available from Silicon Labs for Windows XP, Windows Vista, Windows 7, Windows 8, Linux, and Mac OS X.

Specifications:

  • Dimensions: 0.6″ × 0.95″ including connector
  • USB standard: USB 2.0 (full speed)
  • Connector: USB Micro-B
  • Logic voltage level: 3.45 V (5 V tolerant)
  • Supported baud rates: 300 bps to 2 Mbps
  • Supply current: 25 mA

Documents:

SPECIFICATIONS

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