CH374 interface equivalent, usb bus interface.
* 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 U.
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, re.
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