CH376 chip with FAT file system, file operation is simple and rapid 2) support USB storage devices including U disk, USB disk, USB flash drive and USB card reader. 3) support standard capacity SD card, high capacity HC – SD card and protocol compatible MMC, TF card 4) support for multiple communication interfaces: 8 bits parallel, SPI interface and asynchronous serial port 5) compatibility: compatible with CH372 equipment way, host mode compatible with CH375 6) module size: 50 mm x 34 mm
● Supports 1.5Mbps low-speed and 12Mbps full-speed, compatible with USB V2.0, only needs crystal and capacitance external.
● USB-HOST Mode and USB-DEVICE Mode, automatically switch Host Mode and Device Mode.
● Supports USB device control transfer, bulk transfer and interrupt transfer.
● Detects USB device plug and unplug automatically and sends message to USB host.
● Supply SPI host interface with 6MHz, supports SD card, MMC card and TF card which compatible with protocol.
● set protocol manager of USB control transfer in the inner to simplify common control transfer.
● Set up firmware of special communication protocol to do with Mass-storage. Supports Bulk-Only transfer protocol and USB storage device of SCSI, UFI, RBC and other equivalent storage device which accommodates the minimum set of command including USB Flash Drive, USB HD, USB flash memory and USB reader.
● Set file system manage firmware of FAT16, FAT32 and FAT12, support the capacity up to 32GB USB Flash Drive and SD Card.
● Supply file manage function: open, create or delete file, enumerate and search file, create the sub-catalog, and support the long file name.
● Supply file read/write function: read/write file in the much long sub-catalog take byte as unit or fan as unit.
● Supply disk manage function: initialize disk, query physical capacity, query spare space, physical sectors read/write.
● Supply 8-bit passive parallel interface with 2MB speed, support parallel data bus connect to MCU.
● Supply SPI device interface with 2MB/24MHz speed, support SPI serial bus connect to MCU.
● Supply asynchronism serial interface up to 3Mbps speed, support serial interface connect to MCU, support nautomatically adjust communication baud-rate.
● Source power is 5V or 3.3V, and low-power mode is supported.
● USB-DEVICE Mode is totally compatible with CH372 chip, USB-HOST Mode is basically compatible with CH375 chip.
●Adoption SOP-28 and SSOP20 lead-free package, compatible with RoHS, supplies diversion board from SOP28 to DIP28, the pins of SOP28 are compatible with CH375.