OverviewCH376 is a file management control chip, used for single-chip system to read and write files in U disk or SD card. CH376 supports USB device mode and USB host mode, and has built-in basic firmware of USB communication protocol, built-in firmware for processing Mass-Storage mass storage device dedicated communication protocol, built-in SD card communication interface firmware, built-in management firmware of FAT16, FAT32 and FAT12 file systems, and supports commonly used USB storage devices (including U disk/USB hard disk/USB flash drive/USB card reader) and SD card (including standard capacity SD card and high capacity HC-SD card and protocol compatible MMC card and TF card). CH376 supports three communication interfaces: 8-bit parallel port, SPI interface or asynchronous serial port. MCU/DSP/MCU/MPU and other controllers can control CH376 chip through any of the above communication interfaces to access files in U disk or SD card or communicate with computer. The USB device mode of CH376 is fully compatible with the CH372 chip, and the USB host mode of CH376 is basically compatible with the CH375 chip.
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