CH376 is used as file manage control chip, used to MCU system read/write file in USB Flash Drive or SD card. It supports USB-Device Mode and USB-HOST Mode.It is also set firmware of special communication protocol to deal with Mass-Storage devices, communication interface firmware of SD card, FAT16, FAT32 and FAT12 file system manage firmware in the inner. CH376 supports three communication interfaces: 8-bit parallel, SPI interface or asynchronism serial interface.

 Features of CH376 USB Host Interface Module

• Internal curing CH376 chip FAT file system, file operations simple and fast
• Support including USB thumb drives, USB hard drives, USB flash drives and USB storage devices, USB card reader
• Support standard size SD card, HC-SD card and compatible high capacity MMC, TF card
• Supports a variety of communication interfaces: 8-bit parallel, SPI interface, and asynchronous serial ports
• Compatibility: device is compatible with CH372, host compatible with CH375
• Modules dimensions: 50mmx34mm