Waveshare PL2303 USB UART Board (type A)

A low-cost, high-performing USB-to-Serial Bridge Controller is the PL2303. An easy way to connect an RS-232-like full-duplex asynchronous serial device to any host that is USB-capable is with the PL2303 device.

The highly compatible PL2303 drivers can mimic the conventional COM port on the majority of operating systems, making it simple to migrate and prepare existing COM port-based applications for USB use.

The PL2303 has a tiny footprint that makes it easy to plug into any connector and is specifically made with mobile and embedded applications in mind. The PL2303 is ideal for bus-powered operation since it consumes relatively little power when in working or suspend mode, leaving ample of power for the connected devices.

Pin connections of FT232 USB UART Board:

1. VCCIO ↔ 3.3V or 5V output (the module is powered from USB, the onboard jumper should be shorted to 3.3V or 5V)
2. GND ↔ GND
3. TXD ↔ MCU.RX (signal direction: MCU.RX << PL2303 << PC.TX)
4. RXD ↔ MCU.TX (signal direction: MCU.TX >> PL2303 >> PC.RX)

This breakout also allows you to connect the TX/RX pins of your favorite microcontroller or serial application to the RX/TX pins of the breakout, creating a simple serial cable replacement.

Features:

1. Fully Compliant with USB Specification v2.0 (Full-Speed).
2. On chip USB 1.1 transceiver, 5V to 3.3V regulator, and 12 MHz crystal oscillator.
3. Supports RS-232 like serial interface.
4. Programmable baud rate from 75 bps to 6,000,000 bps.
5. Configurable 256-byte outbound buffer and 256-byte inbound buffer or 128-byte outbound buffer and 384-byte
   inbound buffer.
6. Supports remote wake-up from MODEM input signals
7. Two general-purpose I/O (GPIO) pins
8. Optional external EEPROM for startup device configurations
9. Small footprint 28-pin SSOP IC package
10. Pin compatible with PL-2303HXA and PL-2303XA