SPLC780D datasheet(21/48 Pages) ETC1

21 / 48 page

SPLC780D

Proprietary & Confidential

NOV. 04, 2004

Version: 1.2

6.15.2. The relationship between LCD frame

s frequency and oscillators frequency.

(Assume the oscillation frequency is 250KHz, 1 clock cycle time = 4.0

s)

6.15.2.1. 1/8 Duty, TYPE-B waveform

6.15.2.2. 1/11 Duty, TYPE-B waveform

6.15.2.3. 1/16 Duty, TYPE-B waveform

1 2

7 8 1 2

7 8

400 clocks

COM1

1 Frame

1 frame = 4(

s) x 400 x 8 = 12800(s) = 12.8ms

78.1(Hz)

12.8(ms)

frequency

Frame



VPP

VSS

V2(V3)

1 2

10 11 1 2

400 clocks

1 Frame

10 11 1 2

1 frame = 4(

s) x 400 x 11 = 17600(s) = 17.6ms

(Hz)

17.6(ms)

frequency

Frame



COM1

VPP

VSS

V2(V3)

1 2

15 16 1 2

200 clocks

VPP

VSS

COM1

1 Frame

15 16 1 2

1 frame = 4(

s) x 200 x 16 = 12800(s) = 12.8ms

78.1(Hz)

12.8(ms)

Frame frequency



Sunplus

Confidential

For

PARTMINER

Use

Only

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