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