AK8856 Datasheet, PDF (2/105 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder

ASAHI KASEI
[ AK8856 ]
Block Diagram
XTI XTO LPF
SCL SDA PDN RSTN
OE
CLKMOD
AIN1
AIN2
27MHz
Clock GEN
PLL
27MHz ->
27.0000MHz
or
24.5454MHz
27 or 24.5454MHz
MUX CLAMP PGA
10-bit
ADC
Decimation
Filter
YC Sep
2D/1D
VREF
I2C bus uC
Interface Register
Output
Buffer
SYNC-Separation
AGC Ctrl
VBI Info
Timing Controller
Timing
Y Cb Cr
Y
Luminance
Y
Processor
Scaling
(640 -> 320)
(720 -> 58)
U _{Decimation Filter}
C
Chrominance
Processor
V
Pixel
Interpolator
DATA[7:0]
HD/HV
VD/VAF/FIELD
DVALID
NSIG
DTCLK
VRP VCOM VRN IREF AVDD AVSS
PVDD PVSS
DVDD DVSS TEST0 TEST1 TEST2
Rev-01
2
2007/03