USB TTL Multi Level

USB TTL Multi Level USB TTL Multi Level (TA, CH340) USB TTL Multi Level (TA, CP2102) USB TTL Multi Level (TA, FT232) USB TTL Multi Level (TC, CH340) USB TTL Multi Level (TC, CP2102) USB TTL Multi Level (TC, FT232)

Information Categories: UART Brand: Diustou

Description Features USB TTL Multi Level Interfaces UART USB

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Product Overview

• Multiple USB-to-serial controller chips available (CH340, FT232, CP2102), offering high speed and good stability.
• Onboard power indicator and various signal indicators (RX, TX, CTS, RTS) for easier monitoring of module working status.
  • Upon initial power-up, the power indicator remains constantly lit, RX and TX lights flash quickly, and the RTS light flashes slowly.
• Power VCC and signal levels (RX, TX, CTS, RTS, DTR, DSR, DCD) support four voltage levels: 5V/3.3V/2.5V/1.8V, accommodating systems with different voltages.
  • Voltage selection via DIP switch without the need for power-off operation.
• Adopts a chip conversion solution, not a transistor solution, ensuring a low level of 0V (transistor solutions cannot achieve 0V due to conduction voltage drop).
• CTS and RTS signal pins are brought out, and for the FT232 and CP2102 versions, additional DTR, DSR, and DCD pins are brought out for convenient hardware flow control.
• USB port equipped with electrostatic protection and current protection.
• Signal interfaces RX, TX, CTS, and RTS ports are equipped with current protection and ESD protection.
• Baud rate support range:
  • CH340: 50bps ~ 2Mbps
  • FT232: 300bps ~ 3Mbps
  • CP2102: 300bps ~ 1Mbps

Usage Instructions (Taking FT232 as an Example)

1. Download and install the Diver。

2. Verify if the driver is installed successfully. Right-click the Windows logo in the bottom left corner and open "Device Manager".

Expand "Ports (COM & LPT)". If there is a "USB Serial Port" device, the installation is successful.

3. Verify if the module is working properly. Short-circuit the TXD and RXD pins of the module, open theserial port debugging software， , and click "Open Serial Port". Enter any content in the text box, then click the "Send" button. Under normal circumstances, the software will receive and display the same content.

Data Sheets

• FT232R Data Sheet
• CH340E Data Sheet
• CP2102 Data Sheet

Resource Downloads

• CH340/CH341 USB-to-Serial Windows Driver (Supports 32/64-bit Windows 11/10/8.1/8/7/Vista/XP)
• CP2102 Windows Driver (Win7/Win8/Win10)
• CP2102 Windows Universal Driver (Win10 all platforms explanation)
• CP2102 Driver (XP/Win7/Win8)
• FT232 Driver for Windows 7/8/10/11
• Serial Port Debugging Assistant
• PuTTY Serial Port Viewing Software

FAQ

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