Holtek Semiconductor HT1670
128x32 LCD Controller
| Part No. | HT1670 |
|---|---|
| Datasheet | HT1670 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | 128x32 LCD Controller |
| Buy | Stock & Price |
FEATURES
● Operating voltage: 2.7V~5.2V● Built-in 32kHz RC oscillator
● External 32.768kHz crystal oscillator or 32kHz fre● Six-wire interface (four data wires)
● Eight kinds of time base/WDT selection
● Time base or WDT overflow output
● R/W address auto increment
● Built-in buzzer driver (2kHz/4kHz)
● Power down command reduces power consumption
● Software configuration feature
● Data mode and Command mode instructions
● Three data accessing modes
● Provides VLCD pin to adjust LCD operating voltage quency source input
● Standby current: <1mA at 3V, <2mA at 5V
● Internal resistor type: 1/6 bias or 1/5 bias, 1/32 duty, and 1/16 duty
● Three selectable LCD frame frequencies: 64Hz, 89Hz or 170Hz
● Max. 128´32 patterns, 128 segments and 32 com- mons
● 144 segments and 16 commons selectable by com- and max. VLCD voltage up to 7V
● Provides three kinds of bias current programming
● Control of TN-type and STN-type LCDs
● 208-pin QFP package mand method
● Built-in bit-map display RAM: 4096 b...
