Logic operating
voltage: 1.
8V~5.
5V • LCD operating
voltage (VLCD): 2.
4V~6.
0V • External VLCD pin to supply LCD operating
voltage • Internal 32kHz RC oscillator • Bias: 1/2 or 1/3; Duty:1/4 • Internal LCD bias generation with
voltage-follower buffers • Integrated regulator to adjust LCD opera...