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Support 1.5Mbps and 12Mbps full-speed USB low-speed communication, compatible with USB V2.0, only needs crystal and the external capacitor.
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Support USB-HOST host interface and USB-DEVICE device interface, support for dynamic switching host mode and device mode.
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Supports USB devices to control transfer, bulk transfer, interrupt transfer.
Automatically detects USB devices connect and disconnect, providing equipment to connect and disconnect event notification.
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Provide 6MHz SPI master interface, support for SD cards and MMC card compatible with their agreement and TF card.
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Built-in USB control transfer protocol processor, simplify common control transfer.
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The built-in mass storage device firmware processing dedicated communication protocol support Bulk-Only
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Transport Protocol and SCSI, UFI, RBC or the equivalent command set USB storage devices (including the U disk / USB HDD / USB flash drive / USB card reader).
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Built-FAT16, FAT32 and FAT12 file system management firmware, supports up to 32GB U disk and SD card.
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Provides file management functions: open, new or deleted files, enumerate and search for files, create a subdirectory, supports long file names.
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Provide documents to read and write functions: the smallest unit in bytes or in sectors of the multi-level subdirectories file read and write.
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Provides disk management functions: initialize the disk, check the physical capacity, check the remaining space, the physical sector read and write.
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Provides 2MB speed 8 passive parallel interface supports connection to a microcontroller parallel data bus.
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Provide 2MB/24MHz speed SPI device interface, supports connected to the MCU SPI serial bus.
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Provide the highest 3Mbps speed asynchronous serial interface, support for connecting to the microcontroller serial port baud rate support for dynamic adjustment.
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Support 5V supply voltage 3V and 3.3V supply voltage and the supply voltage, low-power mode support.
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USB device mode compatible with CH372; USB host mode basically compatible CH375 chip.
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SOP-28 and SSOP20 provide lead-free package, compatible with RoHS, providing SOP28 to DIP28 conversion board, SOP28 package pin compatible with the basic CH375 chip.
