CH342 Datasheet - ETC

CH342 USB to Dual Serial Ports

Power supply voltage input, requires an external decoupling capacitor I/O Power supply voltage input, requires an external decoupling capacitor Ground, connected to ground of USB bus directly Internal power regulator output and core and USB power input, When VDD5 voltage is less than 3.6V, connect V.

CH342 Features

* l Full-speed USB device interface, USB 2.0 compatible. l Emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB. l Original serial applications are totally compatible without any modification in Windows operating systems. l Supports free ins

CH342 Datasheet (195.81 KB)