Datasheet Details
| Part number | CH374 |
|---|---|
| Manufacturer | Unknown Manufacturer |
| File Size | 204.91 KB |
| Description | USB bus interface |
| Datasheet |
 CH374 Datasheet
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General 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 capacita
Key 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.