MC5502E PDF File ( Datasheet )

MC5502 3COM 52SEG, 4COM 51SEG LCD Display Driver Features Programmable Duty Ratio 1, 3 Duty : Up to 156 Segment Outputs 1, 4 Duty : Up to 204 Segment Outputs Programmable LCD Bias Ratio : 1, 2 Bias or 1, 3 Bias Programmable General-purpose Output Port Function (Only 1, 4 Duty Mode) Internal LCD Driving Voltage Generator Circuit Normal & Diminish LCD Dividing resistors Selection (Only 1, 4 Duty Mode) Power Saving Mode and all Segment OFF Function RC Oscillation Circuit Serial Interface (