CH351 is a PCI based dual-channel UARTs and printer port chipcontains Dual UARTs which compatible with 16C550, or a EPP/ECP enhanced bi-directional parallel port. The UART supports transmit and receive automatic switching in half-duplex mode. Supports communication baud rate up to 4Mbps. It can be used for PCI based RS232 serial expansion, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communication, PCI card with parallel/ printer port expansion etc.The chart below is application project.
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