파트넘버.co.kr CH376 데이터시트 PDF


CH376 반도체 회로 부품 판매점

file manage control chip



ETC 로고
ETC
CH376 데이터시트, 핀배열, 회로
The DataSheet of CH376 (the first)
1
File manage and control chip CH376
English DataSheet
Version: 1
http://wch.cn
http://wch-ic.com
1. Introduction
CH376 is used as file manage control chip, used to MCU system read/write file in USB Flash Drive or
SD card.
CH376 supports USB-Device Mode and USB-HOST Mode. Set the basic firmware of USB
communication protocol in the inner. It is also set firmware of special communication protocol to deal with
Mass-Storage devices, communication interface firmware of SD card, FAT16, FAT32 and FAT12 file system
manage firmware in the inner. It supports common USB storage devices (contains USB Flash Drive/USB
hard disk/USB Flash memory/USB read card) and SD cards (contain SD card with standard capacity and
HC-SD card with high capacity, MMC card and TF card compatible with protocol).
CH376 supports three communication interfaces: 8-bit parallel, SPI interface or asynchronism serial
interface. DSP/MCU/MPU etc. controller via the any interface of them to control CH376 chip, storage and
get file in USB Flash Drive or SD card, or communication with computer.
The USB-DEVICE Mode of CH376 is totally compatible with CH372, the USB-HOST Mode of
CH375 is basically compatible with CH375.
The following is the application image of CH376.
D0-D7
Local
Controller
DSP
MCU
MPU
Etc.
A0
RD#
WR#
PCS#
Parallel bus
SCS
SCK
MOSI => SDI
MISO <= SDO
SPI bus
TXD => RXD
RXD <= TXD
UART
INT#
8-bit
passive
parallel
USB-Phy I/O
USB-Device
USB-Host
File system
Manage firmware
SPI
Device
interface
USB firmware
ROM RAM
High-speed MCU
asynchronism
serial
SD card port
SPI Host
CH376 chip
D+
D-
USB Bus
PC or USB device:
USB flash memory
USB Flash Drive
/USB reader USB
printer
USB keyboard
USB mice
SDCS
SDCK
SDDO
SDDI
SPI
port
SD card and
protocol compatible
card:
MMC
Mini-SD
TF card
2. Features
Supports 1.5Mbps low-speed and 12Mbps full-speed, compatible with USB V2.0, only needs crystal and
http://www.Datasheet4U.com


CH376 데이터시트, 핀배열, 회로
The DataSheet of CH376 (the first)
2
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.
3. Package
Package shape Width of plastic Pitch of pin
SOP-28 7.62mm 300mil 1.27mm 50mil
SSOP-20 5.30mm 209mil 0.65mm 25mil
Instruction of package
Ordering type
Small outline package of 28-pin
CH376S
Shrink small outline package of 20-pin CH376T




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