J021a Supply Spi Host Interface With 6mhz Ch375b U Disk Read Write Module

US $200

LongGang District, Shenzhen City, China
Jun 24th

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Feature 1).CH375 CH375B is a USB bus general interface chip which supports the USB-HOST Mode and SB-DEVICE/SLAVE Mode.It has 8-bit data bus and control lines for reading, writing and chip selection and output interruption,which can be easily attached to the system bus of controllers such as MCU / DSP / MPU.In USB host mode, CH375B also provides serial communication, which can be connected to MCU / DSP / MPU, etc. via serial input, serial output, and interrupt output. 2). The USB host of CH375 supports common used USB device at full speed, the external microcontroller can use CH375 in accordance with the relevant USB protocol to communicate with USB device. It also has on-board firmware with Special communication protocol to deal with Mass-Storaged evice. The external microcontroller can read and write these common used USB storage device directly via the basic unit sectors. ?. Application ?To read and write the U-Disk. ?To research the CH375B chip ?To research USB protocol research ?To learn the FAT16/32 file system ?TO use in all kinds of U-Disk ?. Parameter Dx Parallel data port A0 distinguish of command port with data port RD Read strobe input of paralle WR Write strobe input of parallel RST Reset INT Interrupt query output CS Chip select input VCC 5V power input port GND Public ground ?. Mechanical drawing Unit: mm ?. Function: ?Low-speed and full-speed USB-HOST interface, compatible withe USB V2.0, just needs crystal and capacitance as external devices. ?Low-speed and full-speed USB interface, compatible with the CH372, automatically switch Host Mode and Device Mode. ?Input and output buffer is 64 bytes, each host endpoint support 12 Mbps full speed USB devices and 1.5 Mbps low speed Equipment? ? Supports USB device control transfer, bulk transfer and interrupt transfer. ? Supply SPI host interface with 6MHz, supports SD card, MMC card and TF card which compatible with protocol. ? Detects USB device plug and unplug automatically and sends message to USB host. ? 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 asynchronism serial interface up to 3Mbps speed, support serial interface connect to MCU, support automatically adjust communication baud-rate. ? Supply SPI device interface with 2MB/24MHz speed, support SPI serial bus connect to MCU. ? 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. 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All of your order(s) will be delivered to it. Ship to: We ship worldwide (except few countries). For USA buyer, we will send by ePacket delivery. For other customers, we will send your item by HongKong Airmail or Singapore Airmail without a tracking number. Estimated Delivery Time (Depends on holidays and Flight) : A) United States Canada Australia United Kingdom New Zealand: 2-3 weeks B) Israel Thailand Malaysia Singapore Sri Lanka Indonesia India Maldives Greece Armenia Azerbaijan Republic Kazakhstan Saudi Arabia United Arab Emirates: 2-4 weeks C) Italy Spain Turkey South Africa Fiji Puerto Rico: 4-5 weeks. D) France Belarus Estonia Switzerland Germany Sweden Denmark Hungary Romania Croatia Bulgaria Latvia Cyprus Czech Mexico Austria Bosnia and Herzegovina Slovakia Lithuania Ukraine Egypt Poland Netherlands Malta Belgium Portugal Norway Finland Ireland : 2-4 weeks E) Russia Brazil Argentina Chile Mauritius All of the South American countries: 5-8 weeks F) Other countries: not more than 30 business days Handling Time: 1-2 working days after payment is completed. Tracking Number: 1. Order exceeds $50 will be shipped with a tracking number. 2. For order under $50, and you still need a tracking number, please contact us. Parcel Lost: Less than 0.5 percent parcels may be lost in shipment. But don't worry, we'll take good care of it. We Only Accept Paypal on Ebay. For specific requirements, please feel free to contact us. If you are facing with troubles below, please contact us as soon as you can Defective or Wrong: full refund or send you a new replacement Missing: new package arranged, or partial refund Dislike: full refund after we received your item (buyer undertakes return shipping fee) Consumers' satisfaction is our first priority and pursuit . We promise to solve your problem in a good way . We consider neutral and negative feedbacks as a SHAME. So please never give us a neutral or negative feedback before communicating with us . Our working time is 08:30-17:30 from Monday to Friday in Beijing Time. Because of the time difference, we may not reply your email immediately. All emails will be replied in 24 hours, please understand that. We devote to making the best service for you. We look forward to serving you. Any questions, please contact us via our ebay email. Your emails are warmly welcomed. 5V 4/2/1 Channel SSR Solid-State Relay High/Low Level Trigger 2A 240V Perfect MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection Sensor Gas sensor 12v 5v 3.3v 9v AC-DC Power Supply Buck Converter Step Down Module USB Current Tester USB voltmeter USB ammeter OLED Display Box Protection Perfect Breadboard Solderless PCB 170 270 400 830 700 Point Points Test DIY Bread Board USB to TTL Module Serial Converter Adapter CP2102 PL2303 PL2303HX CH340 STC 15 Colors ABS Plastic 3D Printer Supplies Filament Makerbot RepRap 50g 1.75MM 16mm 12V LED Angel Eye Latching Push Button Stainless Steel Power Switch On Apr-15-15 at 03:49:45 PDT, seller added the following information: inkFrog Analytics