CH344 Datasheet (ETC) - USB to Quad Serial Ports Chip

CH344, USB to Quad Serial Ports Chip

Part No.

LQFP48 7 *7mm 0.5mm 19.7mil Standard LQFP 48-pin patch CH344Q LQFP48 7 *7mm 0.5mm 19.7mil Standard LQFP 48-pin patch CH344L Note: The USB transceiver of CH344 is designed according to the built-in design of USB2.0, and it is recommended that no external resistor is in series

CH344 Features

* l CH344Q integrates 480Mbps high-speed USB device interface, and CH344L integrates 12Mbps full-speed USB device interface. l Built-in firmware, emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB. l Original serial applications are totall