FEDL9484-01

Issue Date:

Dec. 25, 2013

ML9484

Static, 1/2 Duty, 1/3 Duty, 1/4 Duty 50 Outputs LCD Driver

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GENERAL DESCRIPTION

The ML9484 is an LCD driver LSI, consists of a 50-bit shift register, a 200-bit data latch, 50 sets of LCD drivers,

and a common signal generation circuit.

It can directly drive an LCD up to 50 segments for static display, 100 segments for 1/2-duty display, 150

segments for 1/3-duty display, and 200 segments for 1/4-duty display.

FEATURES





Logic power supply voltage

: 2.7 to 5.5 V



LCD drive power supply voltage : 4.5 to 5.5 V



Maximum number of segments

Static display

: 50 segments

1/2-duty display

: 100 segments

1/3-duty display

: 150 segments

1/4-duty display

: 200 segments



Serially interfaces with the CPU using the three signal lines of DATA, CLOCK, and LOAD



Selectable internal CR oscillator circuit or external clock input



Built-in bias circuit



Built-in common output intermediate-value voltage generation circuit



Command-selectable A-waveform or B-waveform



Package

: 64-pin plastic TQFP