هنوز هیچ رایی ثبت نشده است
آی سی هاست USB یک چیپ کنترل مدیریت فایل، برای خواندن و نوشتن سیستم های مبتنی بر MCU در درایور فلش USB یا SD Card است. این آی سی از دو مد USB-Device و USB-Host پشتیبانی می کند و برای اتصال دستگاه های مختلف به میکروکنترلر از طریق پورت USB مناسب است و شما قادر هستید که فلش مموری و مموری کارت خود را به برد یا ماژول دارای آی سی مبدل CH376S مبدل متصل کرده و با آنها ارتباط برقرار کنید.
مستندات:
دیتاشیت ch376s
Description:
Application:
USB Flash Drive applications, 5V power supply
SD card and USB Flash Drive applications, 3.3V power supply
Application foundation
Speediness Application Reference Step
USB device applications
Features:
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 automatically 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.