hmp8117 Intersil Corporation, hmp8117 Datasheet - Page 2

• Manufacturer Part Number: hmp8117
• Description: Ntsc/pal Video Decoder
• Manufacturer: Intersil Corporation

Functional Block Diagram
ANTI-ALIAS
EXTERNAL
FILTER
CVBS3(Y)
CVBS1
CVBS2
CCAP
LCAP
SEE ANALOG FRONT END BLOCK DIAGRAM
C
COARSE AGC,
INPUT CLAMP,
DC-RESTORE
COARSE AGC
DC-RESTORE
MUX,
Y
OUT
ANTI-ALIAS
EXTERNAL
FILTER
Y
IN
ADC
ADC
RESET
DC-RESTORE
FINE AGC,
CONTROL
INTREQ
MICROPROCESSOR
INTERFACE AND
CONTROL
YIN[7:0]
CIN[7:0]
SYNC-TIP, BACKPORCH TIMING
SA
SCL
CONVERTER
SCL
SAMPLE
INPUT
RATE
SEE DIGITAL PROCESSING BLOCK DIAGRAM
MACROVISION
DETECT
SEPARATION
ADJUSTS
USER
AND
Y/C
DECODING LOGIC
DETECTION &
CONVERTER
OUTPUT
SAMPLE
RATE
VBI
OUTPUT
TIMING
DATA
FIFO
AND
P[15:0]
HSYNC
VSYNC
BLANK
FIELD
DVALID
VBIVALID