saa7114 NXP Semiconductors, saa7114 Datasheet - Page 19

• Manufacturer Part Number: saa7114
• Description: Pal/ntsc/secam Video Decoder With Adaptive Pal/ntsc Combfilter, Vbi-data Slicer And High Performance Scaler
• Manufacturer: NXP Semiconductors

Fig 10. Chrominance and luminance processing
or CHR-IN
CVBS-IN
DEMODULATOR
GENERATION 1
QUADRATURE
SUBCARRIER
HUEC[7:0]
CVBS-IN
or Y-IN
GENERATION 2
CHROMINANCE
YCOMB
SUBCARRIER
INCREMENT
LDEL
DELAY
RTCO
DOWNSAMPLING
COMPENSATION
QUADRATURE
MODULATOR
LOW-PASS 1
DELAY
CSTD [ 2:0 ]
LDEL
YCOMB
CHROMINANCE
LCBW [ 2:0 ]
CDTO
GENERATION
SUBCARRIER
INCREMENT
INCREMENT
DTO RESET
DIVIDER
AND
C B -C R
CHR
SET_RAW
SET_VBI
CGAIN [ 6:0 ]
INTERPOLATION
LUBW
IDEL [ 3:0 ]
SUBTRACTOR
COMB FILTER
LOW-PASS 3
ADAPTIVE
DEMODULATOR
ACCUMULATOR
ACGC
FCTC
BURST GATE
LOOP FILTER
AMPLITUDE
DETECTOR
PHASE
C
CCOMB
YCOMB
B
BYPS
LDEL
-C
CODE
R
Y
C
B
-C
Y-DELAY ADJUSTMENT
R
LUMINANCE-PEAKING
CSTD [ 2:0 ]
YDEL [ 2:0 ]
LUFI [ 3:0 ]
CONT[7:0]
SATN[7:0]
BRIG[7:0]
ADJUSTMENT
PROCESSING
LOW-PASS 2
CONTROL
CHROMA
LOW-PASS,
SECAM
C
GAIN
B
-C
OR
CHBW
R
SET_RAW
SET_VBI
f
H
/2 switch signal
SET_RAW
SET_VBI
RECOMBINATION
RAWG [ 7:0 ]
RAWO [ 7:0 ]
PAL DELAY LINE
DCON [ 7:0 ]
DSAT [ 7:0 ]
DBRI [ 7:0 ]
C
Y/CVBS
BRIGHTNESS
SATURATION
COLO
B
CONTRAST
RAW DATA
CONTROL
GAIN AND
CONTROL
-C
OFFSET
SECAM
R
SET_RAW
SET_VBI
DCVF
mhb729
Y-OUT/
CVBS OUT
C
HREF-OUT
B
-C
R
-OUT