AK8850 查看數據表（PDF） - Asahi Kasei Microdevices

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AK8850

NTSC Digital Video Decoder

Asahi Kasei Microdevices 

ASAHI KASEI

IVCXO CLK

CLKINV

[AK8850]

LLPF

LLPFC

FLPF

FLPFC

IRefR1

EXTCLP

AIN1

AIN2

AIN3

AIN4

AIN5

AIN6

SYNC1

SYNC2

SYNC3

FBCAP1

FBCAP2

FBCAP3

CLPCAP1

CLPCAP2

CLOCK

Module

Analog Multiplexer

Clamp

PGA

Sync Separator

Phase Error

Timing

Contorller

27MHz

&

VCO Controller

Sync-Separatio

n

&

Registers

&

AGC Info.

&

Closed Caption

VBID

Extraction

Composite

Composite

10-bit Composite

ADC

Y/C

Separation

Y

Luma-

Processing

(2D-3Line

or

&

Y

Image Ctrl

1D-BPF)

(Brightness,

Contrast etc.)

Decimation

C

Filter

Chroma-

U

Processing

&

ACC

V

13.5MHz

DFS

(Chroma

PLL)

&

Image Ctrl

(HUE,Saturation)

Output Processing

(Level Shifter

&

Rec.656 formatter

etc.)

with Buffer

VREF

Microprocessor I/F

AVDD AVSS VRP VCOM VRN VREF IRefR2

1-2. Signal Path ( YC signal input )

SELA SDA SCL /RESET

PD

DVDD DVSS

NSTD

NSIG

CLK27MOUT

HALFCLKOUT

DVALID/VLOCK

VSYNC

HSYNC

FIELD

FRAME0

FRAME1/CSYNC

D[7:0]

Rev.0

3

2002/01

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