Holtek Semiconductor HT1621
RAM Mapping 32 x 4 LCD Controller
| Part No. | HT1621 |
|---|---|
| Datasheet | HT1621 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | RAM Mapping 32 x 4 LCD Controller |
| Buy | Stock & Price |
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 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: 44-pin LQFP package HT1621B: 48-pin SSOP/LQFP packages HT1621G: Gold bumped chip
GENERAL DESCRIPTION
The HT1
