USB-UART TTL converter PL2303 - USB type C socket - Waveshare 20645

Index: WSR-20539 EAN: 5904422381592
Converter allowing communication between USB and UART serial interfaces at TTL level. Equipped with PL2303 chip, visible in the operating system as a virtual COM port. Operates at 1.8V / 2.5V / 3.3V / 5V, selectable through a jumper. The device operates at full USB speed of 12 Mbps.
USB-UART TTL converter PL2303 - USB type C socket - Waveshare 20645
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Manufacturer: Waveshare

Product description: USB-UART TTL converter PL2303 - USB type C socket - Waveshare 20645

Converter allowing communication between USB and UART serial interfaces at TTL level. Equipped with PL2303 chip, visible in the operating system as a virtual COM port. Operates at 1.8V / 2.5V / 3.3V / 5V, selectable via jumper. The device operates at full USB speed of 12 Mbps.

Konwerter USB-UART TTL PL2303  - gniazdo USB typu C - Waveshare 20645

USB-UART TTL converter PL2303 - USB type C socket - Waveshare 20645.

Attention!

The module is compatible ONLY with TTL level, to avoid damage do not connect it directly to RS232 circuit.

USB-UART converter.

Special features of the converter

  • Single chip USB to UART data transfer
  • No external resistors required
  • USB function controller complies with USB 2.0 specification; full speed 12 Mbps
  • The module can be used to exchange data between a computer and a microcontroller system or to program boards with a derived serial interface, e.g. Arduino or STM32Discovery
  • In the operating system it is visible as a virtual COM port
  • It has 3 LEDs indicating power supply, sending and receiving data

Pinout description

  • VCCIO - power supply 3.3 V or 5 V selected by jumper
  • GND - ground
  • TXD - UART transmitter pin, connects to MCU.RX (signal direction: MCU.RX << CP2102 << PC.TX)
  • RXD - UART receiver pin, connects to MCU.TX (signal direction: MCU.TX >> CP2102 >> PC.RX)

Technical specification of the module

  • Module type: converter
  • Conversion type: USB C - UART TTL
  • Embedded circuit: PL2303
  • Supported systems: Windows XP/7/8/10/11/.
  • 3x LEDs: TXD LED, RXD LED, POWER LED
  • 3x VCCIO power mode by jumper setting:
    • VCCIO-5 V: 5 V output
    • VCCIO-3.3 V: 3.3 V output
    • configurable by jumper: 1.8 V / 2.5 V / 3.3 V / 5 V
  • Operating temperature range: -40°C to 85°C
  • Module dimensions: 48.26 x 16.51 mm

Set contents

  • PL2303 USB-UART TTL Converter - USB type C socket - Waveshare 20645
  • 4pin connection cable

Contents of the kit

Converter - chip PL2303
Converter - Socket USB C
Converter - Interface UART
Package width 7 cm
Package height 10 cm
Package depth 1.5 cm
Package weight 0.009 kg

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Product reviews

USB-UART TTL converter PL2303 - USB type C socket - Waveshare 20645

5/5

Average grade

6

Customers opinion
The following opinions are collected
and verified by
an external partner Trustmate
and come from the post-purchase process.
Michal 02.03.2026 Confirmed purchase Translated review
It works as it should
Artur 24.02.2025 Confirmed purchase Translated review
It does its job.
Jirka 12.02.2025 Confirmed purchase Translated review
Works and has USB-C
Ladislav 09.12.2025 Confirmed purchase
Michał 26.05.2025 Confirmed purchase
pavel 29.07.2024 Confirmed purchase

Country of Origin: China

Manufacturer Contact Details: Seednew Limited 3/F, Building 6, Shanglilang Zhichuangyuan, Pingji Avenue, Nanwan Street, Longgang District, Shenzhen, 518115, China

EU Marketer Contact Details: BOTLAND B. DERKACZ SP. K. Gola 25A - 63-640 Bralin

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