CH341A USB to I2C/IIC/SPI/UART/TTL/ISP Serial adapter (EPP/MEM)

Features:

• Product Features: CH341A USB control chip inside
• Full-speed USB interface, compatible with USB V2.0, the design of the standard USB-A male;
• Computer USB power supply, the simulation standard serial, used to upgrade serial peripherals, additional serial port, or via USB;
• Supports 3.3V and 5V TTL target system, the serial application is fully compatible with the computer-side under the Windows operating system;
• Support for 5, 6, 7, or 8 data bits, odd parity, even parity, blank, signs, and no parity;
• Support for serial port to send to enable serial receive ready transmission rate control signal and MODEM liaison signal;
• By adding level converter module, RS232, RS485, interface; (supporting modules for sale)
• Provide two parallel port interface modes: EPP mode and MEM mode; USB to parallel port can be used for simple digital I / O control;
• Support for a variety of serial communication modes, UART, I2C, SPI;
• Supports 2-wire and 4-wire synchronous serial interface, I2C supports four kinds of transmission speeds;
• The perfect support for the STC the MCU download and debugging STC official recommended program;
• Support for out output voltage, selectable 3.3V 5V or not output;
• Support the work status indicators;
• Dual interface output;
• Hardware full-duplex serial port, built-in send and receive buffer, and support the communication baud rate 50bps ~ 2Mbps.
• Support WINDOWS 98/ME/2000/XP/server 2003/VISTA/server 2008/WIN 7/64/32-bit.

Recommended Software:

FlashRom

PonyProg

AVRDude

Applications:

Simulation of the standard serial port for the upgrade serial peripherals, additional serial port or via USB.
Need to use I2C, SPI, UART, TTL serial and other occasions;
Electronics Engineers debugging download;
Variety of hardware systems, software system debugging;
Serial Brush;

How to use：

1. Mode Select:

2. Level Select:

3. Voltage Select:

4. Output Interface: