HT1621G
Features
- Operating voltage: 2.4V~5.2V
- Built-in 256k Hz RC oscillator
- External 32.768k Hz crystal or 256k Hz frequency source input
- Selection of 1/2 or 1/3 bias, and selection of 1/2 or
1/3 or 1/4 duty LCD applications
- Internal time base frequency sources
- Two selectable buzzer frequencies (2k Hz/4k Hz)
- Power down mand reduces power consumption
- Built-in time base generator and WDT
- Time base or WDT overflow output
- 8 kinds of time base/WDT clock sources
- 32´4 LCD driver
- Built-in 32´4 bit display RAM
- 3-wire serial interface
- Internal LCD driving frequency source
- Software configuration feature
- Data mode and mand mode instructions
- R/W address auto increment
- Three data accessing modes
- VLCD pin for adjusting LCD operating voltage
- HT1621: 44-pin LQFP package
HT1621B: 48-pin SSOP/LQFP packages HT1621G: Gold bumped chip
General Description
The...