HMP8117CNZ データシートの表示（PDF） - Intersil

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HMP8117CNZ

NTSC/PAL Video Decoder

Intersil 

Digital Processing Block Diagram

C[7:0]

Y[7:0]

CLK2 FREQ SELECT

(24.54, 27.0 or 29.5MHz)

HUE

ADJUST

LOCK

STATUS

CHROMA

PLL NCO

CHROMA

PLL LOOP

FILTER

CHROMA

PHASE

DETECTOR

LINE LOCKED

NCO

4FSC

CLOCK

CLK2 TO

4FSC RATIO

CHROMA DATA

CHROMA

AGC AND

SATURATION

ADJUST

M

U

C, CVBS

X

INPUT

SAMPLE

RATE

CONVERTER

LINE

DELAY

COMB

FILTER

CHROMA U, V

DEMOD

HORIZONTAL

Y

LUMA DATA

M

U

X

AND VERTICAL

SHARPNESS

ADJUST

VSYNC

DETECT

FIELD AND

VSYNC

TO FIFO

U/V TO CbCr

COLOR SPACE

CONVERTER,

COLOR KILLER

CHROMA

TRAP

NORMAL

LP FILTER

CHROMA

LP FILTER

ENABLE

M

U

X

CbCr

OUTPUT

SAMPLE

RATE

CONVERTER

Y

LINE LOCKED

PLL LOOP

FILTER

P[15:0]

SYNC

STRIPPER,

BRIGHTNESS DATA

AND

CONTRAST

ADJUST, TIMING

RGB

CONVERSION

OUTPUT

TIMING

AND

DATA

FIFO

HSYNC

VSYNC

BLANK

FIELD

DVALID

VBIVALID

VBI STATUS

VBI DETECTION

AND DECODING LOGIC

SHARPNESS

ADJUST

MACROVISION

DETECT

MV STATUS

FILTER

SELECT

STANDARD

SELECT

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