Holtek Semiconductor HT1647A
64 X 16 LCD Controller
| Part No. | HT1647A |
|---|---|
| Datasheet | HT1647A Download |
| Manufacturer |  Holtek Semiconductor |
| Description | 64 X 16 LCD Controller |
| Buy | Stock & Price |
FEATURES
● Operating voltage: 2.7V~5.2V● Built-in 32kHz RC oscillator
● External 32.768kHz crystal oscillator or 32kHz
● 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
● Provides three kinds of bias current programming
● Control of TN-type, STN-type LCDs and frequency source input
● Standby current: <1mA at 3V, <2mA at 5V
● Internal resistor type: 1/5 bias or 1/4 bias, 1/16 duty
● Two selectable LCD frame frequencies: 89Hz or 170Hz
● Max. 64´16 patterns, 64 segments and 16 commons
● Built-in bit-map display RAM: 1024 bits (=64´16 bits)
● Built-in internal resistor type bias generator
● Six-wire interface (four data wires) ECB-type LCDs
● 100-pin LQFP package and in chip form
APPLICATIONS
● Leis...
