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28.1.2
Block Diagram
Figure 28.1 shows the block diagram of the data slicer.
Sync separator
Sync signal
generation
CVin2
Sync tip
clamp
Rev. 1.0, 02/00, page 800 of 1141
H complement
and mask
Field determination circuit
+
–
Slice voltage
generator
Figure 28.1 Data Slicer Block Diagram
V
Line
counter
H
AFC
Reference clock
Field
Slice line specification circuit
Clock run-in
detector
Start bit
detector
Data sampling
clock generator
Shift register
Slice data
register
OSD
H
V
Dot clock
Line counting
Clock run-in
detection flag
Start bit
detection flag
Slice
completion
interrupt
Data end flag
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