HT1622 Description
HT1622 is a peripheral device specially designed for I/O type MCU used to expand the display capability. display segment of the device are 256 patterns (32´8). It also supports serial interface, buzzer.
HT1622 Key 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 mons, 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