CH374 - USB bus interface

The CH374 by ETC is a USB bus interface. Below is the official datasheet preview.

Datasheet Details

Part number	CH374
Manufacturer	ETC
File Size	204.91 KB
Description	USB bus interface
Datasheet	CH374_ETC.pdf
Additional preview pages of the CH374 datasheet.

CH374 Product details

Description

VCC GND V3 XI XO UD+ UD- D7~D0 RD# WR# CS# INT# A0 ACT# UEN CKO RSTI RST RST# SLP POWER POWER POWER IN OUT USB signal USB signal Bi-directional tri-state IN IN IN Open drain OUT IN Open drain OUT IN OUT IN OUT OUT OUT Positive power input port, requires an external 0.1uF power decoupling capacitance Public ground, ground connection for USB Attachment of VCC input external power while 3.3V;connects of 0.01uF decoupling capacitance outside while 5V Input of crystal oscillator, attachment of cry

Features

Supports low-speed of 1.5Mbps and full-speed of 12Mbps, conforms to USB Specification Version 2.0, only needs crystal and capacitor as peripherals.
Supports USB host interface and USB device interface, and supports exchanging USB-HOST and USB-DEVICE mode dynamically.
CH374U has 3 ports of ROOT-HUB internal, and supports 3 USB devices.
Supports control transfer, bulk transfer, interrupt transfer and synchronous/isochronous transfer of USB device with common low-speed and f.

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Other Datasheets by ETC

CH375 - USB Bus Interface Chip
CH376 - file manage control chip
CH315G - USB extension controller
CH315H - USB signal isolation controller
CH340 - USB to serial chip
CH341 - USB bus converter

Published: Apr 22, 2010 |