HMP8115CN 데이터 시트보기 (PDF) - Intersil

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HMP8115CN

NTSC/PAL Video Decoder

Intersil 

Functional Block Diagram (Continued)

CLK

(24.54, 27.0 OR 29.5MHz)

HUE

ADJUST

VSYNC

DETECT

FIELD

VSYNC

GENLOCK LOSS

4FSC

CLOCK CHROMA

PLL NCO

CHROMA

PLL LOOP

FILTER

CHROMA

PHASE

DETECTOR

HSYNC HSYNC

DETECT

CLK TO

4FSC RATIO

AGC

ADJUST

CR[7:0]

C

C,CVBS

DATA

M

U

X

C,CVBS

C DATA

DATA LINE

DELAY

CHROMA

U,V

COMB

DEMODULATOR

FILTER

Y,CVBS

INPUT

SAMPLE

RATE

CONVERTER

Y DATA

Y DATA

HORIZONTAL

M Y DATA AND VERTICAL

Y DATA

U

X

SHARPNESS

ADJUST

SATURATION

ADJUST

U, V TO CbCr

COLOR

SPACE

CONVERTER

AND COLOR

KILLER

CHROMA

TRAP

LINE LOCKED

PLL LOOP FILTER

LINE LOCKED

NCO

LP FILTER

CbCr

ENABLE

OUTPUT

SAMPLE

RATE

CONVERTER

Y

VBI DETECTION

AND DECODING LOGIC

ENABLE

M

SHARPNESS

U

X

ADJUST

LP FILTER

STANDARD

SELECT

LOCKED

SYNC

STRIPPER,

BRIGHTNESS,

AND CONTRAST

ADJUST

RGB

LOGIC

MUX

MUX

ENABLE

P[15:0]

HSYNC,VSYNC, BLANK,

FIELD, DVALID, VBIVALID

OUTPUT

TIMING

AND

FIFO

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