HT1647A Key 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 mand reduces power consumption
- Software configuration feature
- Data mode and mand mode instructions
