UPD16661A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD16661A

160-OUTPUT LCD COLUMN (SEGMENT) DRIVER WITH RAM

NEC => Renesas Technology 

µPD16661A

8. GRAY SCALE CONTROL

The four gray scales are expressed in terms of 3 thinning-out frames.

The thinning-out method is changed by 9 pixels: pixel numbers 1, 2, and 3, and line numbers 1, 2, and 3 of the

liquid-crystal panel.

Frame thinning-out method

Gray Scale 0

Frame 1

123

1

2

3

1

Gray Scale 1 2

3

1

Gray Scale 2 2

3

1

Gray Scale 3 2

3

Line

Frame 2

123

Frame 3

123

Column

16

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