AK8855 查看數據表（PDF） - Asahi Kasei Microdevices

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AK8855

NTSC/PAL Digital Video Decoder

Asahi Kasei Microdevices 

[ASAHI KASEI]

AK8855

Total Functional Block Diagram

XTO

XTI

SDA SCL RSTN

OE

CLKMOD

24.5454MHz

PLL

24.5454/27.00MHz

AIN1

AIN2

Selector

PGA

CLAMP

AAF

ADC

ATIO

TEST2

ANALOG

BLOCK

VREF

AVDD AVSS VRP VCOM VRN IREF

Microprocessor I/F

Register

1D Y/C

Separation

CLK

Y

Y

Y

Output Ctrl

Output

U

Down Cb

Cb

I/F

Chrominance

C

Decode

Sampler

Pixel Interpolator

V

Cr

Cr

CLKO

D[7:0]

• Sync-Separation

• AGC Info.

• VBID

TEST0 TEST1

PDN

HD

VD

DVALID

HD/HV

VD/VAF

DVALID

FIELD

NSIG

DVDD DVSS

DIGITAL

BLOCK

PVDD PVSS

MS0319-E-03

2

2004 / 11

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