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HH1621
32 x 4 LCD Driver
Features
_ Operating voltage: 2.2V~5.2V _ Built-in 256kHz RC oscillator _ External 32.768kHz crystal or 256kHz frequency
source input _ Selection of 1/2, 1/3 bias, and selection of 1/2, 1/3,
1/4 duty LCD applications _ Internal time base frequency sources _ Two selectable buzzer frequencies (2/4kHz) _ Built-in time base generator and WDT _ Time base or WDT overflow output _ Power down command available
_ 8 kinds of time base/WDT clock sources _ Built-in 32x4 bit display RAM _ 3-wire serial interface.
HH1621 Datasheet
