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3 1/3 duty cycle output waveform – FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 47 LCD Controller

5.Operation

5.3 1/3 Duty Cycle Output Waveform

In the 1/3 duty cycle output mode, COM0, COM1 and COM2 outputs are used for LCD display. COM3 output
is not used.

• Example of 1/3 Bias Output Waveform

LCD cells with the maximum voltage difference between common and segment outputs are lit.

Table 5-2 Example of Data Memory Contents for Display

Segment

Contents of data memory for display

COM3 output

COM2 output

COM1 output

COM0 output

SEG 2n output

-

1

0

0

SEG2n+1 output

-

1

0

1