AK8850 Datasheet, PDF (3/99 Pages) Asahi Kasei Microsystems – NTSC Digital Video Decoder

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