CXA2095 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2095

Y/C/RGB/Sync/Deflection for Color TV

Sony Semiconductor 

CXA2095S

Description of Registers

<Control Register>

Register name No. of bits Function

PICTURE

(6)

: Picture gain control (RGB gain control)

0H = –15dB

3FH = 0dB RGB output: 2.4Vp-p (I/O gain: +4.7dB, 1.4Vp-p input)

C-TRAP

(1)

: Y block chroma trap ON/OFF switch

0 = Trap OFF

1 = Trap ON (Y signal delay time adjusted when C-TRAP turned ON or OFF.)

VM

(1)

: Y signal differential output ON/OFF switch for VM

0: Output OFF

1: Output ON (2.0Vp-p)

HUE

(6)

: Hue control (Chroma demodulation axis control when SUB-HUE is 8H)

0H = +35°

Flesh color appears red.

1FH = 0°

3FH = –35° Flesh color appears green.

DC-TRAN

(1)

: Y DC transmission ratio selector switch

0 = 100%

1 = 82%

DPIC

(1)

: Y black expansion ON/OFF switch

0 = OFF

1 = ON

Point of inflection: 30 IRE

COLOR

(6)

: Color gain control

0H = Color OFF (–40dB or less)

1FH = 0dB B output: 1.1Vp-p (I/O gain: +5.7dB, 0.57Vp-p input)

3FH = +5.4dB

TOT

(1)

: Chroma TOT filter band selector switch

0 = TOT-TRAP OFF

1 = TOT-TRAP ON (TRAP f0 2.0MHz)

AXIS

(1)

: R-Y, G-Y axis selector switch

0 = Japan axis R-Y: 95° × 0.60, G-Y: 236° × 0.33

1 = US axis R-Y: 105° × 0.78, G-Y: 236° × 0.33

(B-Y: 0° × 1)

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