CXA2000 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2000

Y/C/RGB/D for PAL/NTSC Color TVs

Sony Semiconductor 

Pin

No.

Symbol

51 SDA

Equivalent circuit

CXA2000Q

Description

51

4k

I2C bus protocol SDA (Serial Data) I/O.

VILMAX = 1.5V

VIHMIN = 3.5V

VOLMAX = 0.4V

52 BLHOLD

53 CVIN

54 DCTRAN

4k

52

9µA

4.6V

20k

20k 1.2k

Capacitor connection for black peak hold

of the dynamic picture (black expansion).

Composite video signal input.

4.6V

Input the 1Vp-p (100% white including

sync) CV signal via a capacitor. The

sync level of the input signal is

53

clamped to 3.8V.

1µA

In addition, this pin detects input video

signal HSYNC, and outputs the status

via the status register CVSYNC.

2V

4k

1.2k Connect a capacitor that determines the

54

DC transmission ratio to GND.

2k

55 YIN

4.6V

Y signal input.

Input a 1Vp-p (100% white including

55

sync) Y signal via a capacitor. The

sync level of the input signal is

1µA

clamped to 3.8V.

– 11 –

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