AK8850 Datasheet, PDF (4/99 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
27MHz
Sync-Separatio
n
&
AGC Info.
&
Closed Caption
VBID
Extraction
Timing
Contorller
&
VCO Controller
&
Registers
Y
Y
10-bit
Y
ADC
Luma-
Processing
&
Y
Image Ctrl
(Brightness,
Contrast etc.)
C
10-bit
C
ADC
Decimation
Filter
Chroma-
U
Processing
&
C
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
1-3. Signal Path_AV(_DC_Domp_Ao_Vn_Se_Snt_Vs_Rig_Pna_Vl _Cin_Op_Mut )_{VRN VREF IRefR2}
SELA SDA SCL /RESET
PD
DVDD DVSS
IVCXO CLK
CLKINV
Rev.0
LLPF
FLPFC
CLOCK
Phase Error
4
Timing
Contorller
NSTD
NSIG
CLK27MOUT
HALFCLKOUT
DVALID/VLOCK
VSYNC
HSYNC
FIELD
FRAME0
FRAME1/CSYNC
D[7:0]
2002/01
NSTD
NSIG
CLK27MOUT
HALFCLKOUT