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CH341A USB Serial Adapter Module USB to SPI I2C IIC UART TTL ISP Converter EPP MEM Parallel Port Interface RS232 RS485 Level Conversion 3.3V/5V STC MCU Programming Debug Compatible with Windows
- Full-speed USB 2.0 device interface with a standard USB-A male connector and direct power supply through the USB connection to a PC.
- Supports 3.3V and 5V TTL target systems, with serial applications compatible with computers running Windows operating systems.
- Configurable serial communication supports 5, 6, 7, or 8 data bits plus odd, even, blank-sign, and no-parity settings.
- Supports serial-port control signals, MODEM liaison signals, transmission-rate signals, and serial receiver-ready signals.
- An added level conversion module supports RS232, RS485, and other interfaces; supporting modules are sold separately.
- Provides EPP mode and MEM mode parallel-port interfaces, and USB-to-parallel operation for simple digital I/O control.
- Supports multiple serial communication modes including UART, I2C, and SPI, with 2-wire and 4-wire synchronous serial interfaces.
- I2C supports four transmission speeds, while the hardware full-duplex serial port supports baud rates from 50bps to 2Mbps.
- Supports STC MCU program download and debugging, with selectable 3.3V, 5V, or no outward voltage output.
- Includes working-status indication and dual interface output for connection and operating-status monitoring.
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Product Description:
CH341A USB serial adapter module for USB-to-SPI, I2C/IIC, UART TTL, ISP, EPP, and MEM communication applications. It connects through a standard USB-A male interface and can add a serial port or support simple digital I/O control through USB.
Core Selling Points:
Supports multiple serial communication modes including UART, I2C, SPI, and synchronous 2-wire or 4-wire interfaces. Features hardware full-duplex serial communication with a built-in transceiver buffer and baud-rate support from 50bps to 2Mbps. Provides working-status indication and dual interface output. Supports serial data formats from 5 to 8 data bits, with odd, even, blank-sign, or no parity options.
Technical Specifications:
Model: CH341A. USB interface: full-speed USB device interface, compatible with USB 2.0; standard USB-A male design. Power: direct USB connection to PC; output voltage selectable as 3.3V, 5V, or no output. Interfaces: SPI, I2C/IIC, UART TTL, ISP, EPP, MEM, RS232, and RS485. Parallel port modes: EPP and MEM. I2C supports 4 transmission speeds. Serial baud rate: 50bps to 2Mbps. Operating system support: Windows 98, ME, 2000, XP, Server 2003, Vista, Server 2008, and Windows 7, including 32-bit and 64-bit systems.
Before Purchase:
RS232, RS485, and other interface support requires a level conversion module, which is sold separately. Confirm that your target system uses 3.3V TTL or 5V TTL levels and that the required interface and voltage-output setting match your application.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by GeekSpace Return Policy
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