HT42B564-1 datasheet(10/13 Pages) HOLTEK

Part #	HT42B564-1

Description	USB (HID) to UART Bridge IC

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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10 / 13 page

Rev. 1.00

10

December 21, 2016

HT42B564-x

Application Circuits

VDD

GND

V33O

D-

D+

VDDIO

1µF

VBUS

D-

D+

VSS

0.1µF

10µF

47pF

33Ω

0.1µF

VDD

MCU

Application

Circuit

HT42B564-x

10 SOP-A

USB

Connector

3.3V

BAT

TX

RX

UDET

LED

VCC

1N5817

5V or 3.3V

3.3V

0.1µF

VDD

330Ω

LED

TX

RX

UART

Note:1.TheVCCvoltagemustbelessthantheVDDvoltage.TheVCCsupplycanbesourcedfromaLi-battery.

2.TheUDETpincanusedtodetectaUSBplug-infordatatransferortodetectaUSBplug-outforentering

theenergysavingmode.

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HT42B564-1 Datasheet(PDF) 10 Page - Holtek Semiconductor Inc

HT42B564-1 Datasheet(HTML) 10 Page - Holtek Semiconductor Inc

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