Holtek Semiconductor HT1622
HT1622 is a peripheral device specially designed for I/O type MCU used to expand the display capability. It also supports serial interface, buzzer| Part No. | HT1622 |
|---|---|
| Datasheet | HT1622 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | RAM Mapping 64 x 16 LCD Controller |
| Buy | Stock & Price |
FEATURES
● Operating voltage: 2.7V~5.2V● Built-in RC oscillator
● 1/4 bias, 1/8 duty, frame frequency is 64Hz
● Max. 32´8 patterns, 8 commons, 32 segments
● Built-in internal resistor type bias generator
● 3-wire serial interface
● 8 kinds of time base or WDT selection
● Time base or WDT overflow output
● Built-in LCD display RAM
● R/W address auto increment
● Two selectable buzzer frequencies (2kHz or 4kHz)
● Power down command reduces power consumption
● Software configuration feature
● Data mode and Command mode instructions
● Three data accessing modes
● VLCD pin to adjust LCD operating voltage
● 44/52/64-pin LQFP packages HT1622G: Gold bumped chip
GENERAL DESCRIPTION
The max. display segment of the device are 256 patterns (32´8). It also supports serial interface, buzzer
