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USB To TTL Module, 3.3V 4 Way Independent Power Supply UART Serial Port Module  For Electronic Equipment

<ul><li>POWER ON RESET CIRCUIT: The CH9344 chip has built in power on reset circuit, which requires an external 30MHz clock signal to be provided to the x1 pin during normal operation</li><li>CLOCK SIGNAL GENERATION: The clock signal can be generated through stabilized oscillation through built in inverter of this module. The circuit requires a 30MHz to be connected between pins x1 and X0, with X1 and x0 pins grounded to 20pF oscillating capacitor</li></ul>

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Specification: Item Type: USB to TTL Module Material: PCB Working Voltage: 3.3V Features: 1. High speed USB 2.0 interface, peripheral components only require crystals and capacitors. 2. Compatible with 16C550 asynchronous serial port and enhanced. 3. Support 5, 6, 7, or 8 data bits, or 2 stop bits. 4. Support odd, even, no parity, blank 0, flag 1, and other verification methods. 5. Support RTS and CTS hardware automatic control. 6. Support half duplex, provide sending status, support RS485 switching, and is enabled by default. 7. Provide 12 GPI0 for arbitrary input and output. 8. Programmable baud rate, support 115200bps and up to 12Mbps baud rate. 9. Part of the IO in the 0 1 2 zone of the serial port is independently powered, support 3.3V, 2.5V, and 1.8V power supply voltages, serial port 3 supports 3.3V power supply. 10. Serial driver support: for XP, for Vista, for Win7, for vin8, for Vinto, for winserver, for , etc. 11. Provide LOFP 48 packaging, compatible with RoHS. Package List: 1 x USB to TTL Module2 x 8P Single Pin Header

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