HT1621B

HT1621B | HT1621B Supplier | HT1621B provider| HT1621B Manufacturer | HT1621B Spot Dealer | HT1621B Distributor | HT1621B Dealer | Holtek Agent - Holtek authorized Tianyuanxin to be the HT1621B Supplier in China | HT1621B Spot Dealer .

HT1621B, HT1621B Datasheet, HT1621B Data Page, HT1621B Schematic Diagram, HT1621B Pinout, HT1621B Specification，HT1621B Series Model.

HT1621B Description

 Operating voltage: 2.4V~5.2V Built-in 256kHz RC oscillator External 32.768kHz crystal or 256kHz frequencysource input Selection of 1/2 or 1/3 bias, and selection of 1/2 or1/3 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 324 LCD driver

HT1621B Features

 Operating voltage: 2.4V~5.2V 

 Built-in 256kHz RC oscillator 

 External 32.768kHz crystal or 256kHz frequencysource input 

 Selection of 1/2 or 1/3 bias, and selection of 1/2 or1/3 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 

 324 LCD driver 

 Built-in 324 bit display RAM 

 3-wire serial interface 

 Internal LCD driving frequency source 

 Software configuration feature 

 Data mode and command mode instructions 

 R/W address auto increment 

 Three data accessing modes 

 VLCD pin for adjusting LCD operating voltage 

 HT1621: 48-pin SSOP package

   HT1621B: 48-pin DIP/SSOP/LQFP package

   HT1621D: 28-pin SKDIP package

   HT1621G: Gold bumped chip

HT1621B Pin Configuration (Top View)

HT1621B Order Information

HT1621B Function block or application schematic

HT1621B | HT1621B Supplier | HT1621B Spot Dealer | HT1621B Distributor | HT1621B Dealer | Holtek Agent - Holtek Corporation Authorized Tianyuanxin as the HT1621B Supplier in China | HT1621B Spot Dealer  

For immediate information on HT1621B, please contact directly:

Shenzhen Tianyuanxin Semiconductor Co.，Ltd

Tel：+86 15013767173                       Email：sztychip@163.com

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