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CXA3272R

Driver/Timing Generator for Color LCD Panels

Sony Semiconductor 

CXA3272R

Pin

No.

Symbol

Pin

voltage

Equivalent circuit

VCC1

59 R/R-Y

60 G/Y

61 B/B-Y

RGB: 1.2V

59

Y/color

60

difference:

61

1.6V

GND1

1k

20µA

Description

In RGB input mode, input the R signal

to Pin 59, the G signal to Pin 60 and

the B signal to Pin 61.

In Y/color difference input mode, input

the R-Y signal to Pin 59, the Y signal to

Pin 60 and the B-Y signal to Pin 61.

Pedestal clamp these pins with external

coupling capacitors.

VDD1

62 SYNC IN 1.6V

62

GND1

1k

1k

500

0.6µA

Sync separation input.

Input a video signal with sync through

an external capacitor.

Leave this pin open during external HD

and VD inputs.

Connect to VDD during external CSYNC

12µA input.

VDD1

63 VSEP TC 1.7V

63

64 GND1

GND1

—

500

1k

1k

20µA

Time constant connection for vertical

sync separation.

20µA

Analog 3V GND.

–7–

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