Rev. 1.0, 02/00, page 1083 of 1141
H'D240: Sync Separation Input Mode Register SEPIMR: Sync Separator
0
0
1
0
R/W
2
0
R/W
3
0
4
5
6
0
7
R/W
R/W
VSEL
CCMPV1
R/W
R/W
CCMPV0
R/W
CCMPSL
R/W
SYNCT
DLPFON
—
FRQSEL
0
0
0
Digital LPF control
0
1
Reference clock frequency select
0
1
Vsync input signal select
0
1
Csync separation comparator input select
0
1
0
(Initial value)
1
Sync signal polarity select
:
:
:
Csync separation comparator slicing voltage select
Description
0
0
CCMPV1
CCMPV0
1
0
1
1
Bit
Initial value
R/W
The Csync slicing level is 10 IRE (Initial value)
The Csync slicing level is 5 IRE
The Csync slicing level is 15 IRE
The Csync slicing level is 20 IRE
The Csync separation comparator input is selected
The Csync/Hsync terminal operates as an output terminal (Initial value)
The Csync Schmitt input is selected
The Csync/Hsync terminal operates as an input terminal
Vsync Schmitt input (Initial value)
Csync Schmitt input
The digital LPF does not operate (Initial value)
The digital LPF operates
576 times the horizontal sync frequency
(Initial value)
448 times the horizontal sync frequency