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CH376 fiches techniques PDF

ETC - file manage control chip

Numéro de référence CH376
Description file manage control chip
Fabricant ETC 
Logo ETC 





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CH376 fiche technique
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

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