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HT1621

Part Number	HT1621
Manufacturer	Holtek Semiconductor Inc
Description	RAM Mapping 32 x 4 LCD Controller
Published	Mar 26, 2005
Detailed Description	HT1621/HT1621G RAM Mapping 32´4 LCD Controller for I/O MCU PATENTED PAT No. : TW 099352 Features · Operating voltage: 2...
Datasheet	HT1621 PDF File

Overview

HT1621/HT1621G RAM Mapping 32´4 LCD Controller for I/O MCU PATENTED PAT No.
: TW 099352 Features · Operating voltage: 2.
4V~5.
2V · Built-in 256kHz RC oscillator · External 32.
768kHz crystal or 256kHz frequency source input · Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications · Internal time base frequency sources · Two selectable buzzer frequencies (2kHz/4kHz) · Power down command reduces power consumption · Built-in time base generator and WDT · Time base or WDT overflow output · 8 kinds of time base/WDT clock sources · 32´4 LCD driver · Built-in 32´4 bit display RAM · 3-wire serial interface · Internal LCD driving frequency source · Software configurati...

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