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PL2303 - PL2303HX USB to TTL Serial UART Converter Module – 5 Pin

  • PL2303HX high speed and stable control IC over current protection.
  • Two LED for data transferring status 3.3V and 5V is available.
  • Paralleled pins more convenient.
  • Static protection, the entire Board is covered and protected by the high quality and transparent heat-sensitive membrane.
  • USB to serial platelet functions:
    • simple serial communication
    • Upgrade ADSL router firmware
    • GPS serial communication
    • Upgrade hard disk firmware
    • Convenient to use, RX to MCU TX; TX to MCU RX. without using  MAX232.

99.00 83.90+18% GST

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SKU 04AC016 Categories ,

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 PL2303 – PL2303HX USB to TTL Serial UART Converter Module

The PL-2303HX is a low cost and high-performance USB-to-Serial Bridge Controller. The PL-2303HX provides a convenient solution for connecting an RS-232 like a full-duplex asynchronous serial device to any Universal Serial Bus (USB) capable host. (Find more Interfacing Modules at

PL2303The PL-2303HX highly compatible drivers could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port to easily migrate and be made USB ready. The PL-2303HX is exclusively designed for mobile and embedded solutions in mind, providing a small footprint that could easily fit into any connectors and handheld devices. With very small power consumption in either operating or suspend mode, the PL-2303HX is perfect for bus-powered operation with plenty of power left for the attached devices. Flexible signal level requirement on the RS-232 like serial port side also allows the PL-2303HX to connect directly to 5V, 3.3V, or 2.5V devices.

Features : 

  • Full compliance with the USB Specification v1.1
  • On-chip USB 1.1 transceiver, 5V®3.3V regulator, and 12 MHz crystal oscillator
  • Support RS-232 like serial interface
  • Full-duplex transmitter and receiver (TXD and RXD)
  • Six MODEM control pins (RTS, CTS, DTR, DSR, DCD, and RI)
  • Parity error, frame error, and serial break detection
  • Programmable baud rate from 75 bps to 6,000,000 bps
  • The extensive flow control mechanism
  • Adjustable high/low watermark level
  • Automatic flow control with CTS/RTS/ XON/XOFF
  • Configurable 256-byte outbound buffer and 256-byte inbound buffer or 128-byte outbound buffer and 384-byte inbound buffer
  • Support remote wake-up from MODEM input signals
  • Two general-purpose I/O (GPIO) pins
  • Optional external EEPROM for startup device configurations
Applications :
  1. All kinds of satellites set-top box upgrade
  2. Router, HDD, ADSL, broadband modem firmware upgrade or cracked upgrade
  3. cellphone, XBOX360, GPS serial communication, vehicle inspection and test, DVD flash and so on
  4. Burn writes STC MCU, NXP MCU, Renesas MCU, NEC MCU and so on
  5. Simple UART communication commonly used UART debugging tools in supper terminal
  6. USB signal transferred to TTL signal may be used by electronic enthusiasts

Package Includes :

1 x PL2303 PL2303HX USB To TTL Module


Input Supply voltage (V) 3.3 ~ 5
Model PL2303HX
Support Windows 98 to Windows 7 (32 bit and 64 bit)
Mac OS 8 to OS X (32 bit and 64 bit)
Module Type   AdapterBoard
Operation Level Digital 5V
crystal oscillator 12MHz
Length (mm) 52
Width (mm) 15.5
Height (mm) 6.5
Weight (gm) 5
Shipment Weight 0.095 kg
Shipment Dimensions 6 x 3 x 2 cm


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