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Closed-Caption Decoder
Closed-Caption Decoder Registers
Panasonic Semiconductor Development Company MN102H75K/F75K/85K/F85K LSI User Manual
246
Panasonic
HSEP1: HSYNC Separator Control Register 1 x’007ECE’
(HSEP1W x’007EEE’)
HSFREQ[10:0]: Correction HSYNC frequency
Set the correction HSYNC cycle in this field in HSYNC separator sam-
pling clock units. The valid range is x’000’ to x’7FF’, and the recom-
mended setting is x’010C’.
HSEP2: HSYNC Separator Control Register 2 x’007ED0’
(HSEP2E x’007EF0’)
HCLOSEE[9:0]: Start position for HSYNC detection
Set the position in HSYNC separator sampling clock units. The valid range
is x’000’ to x’3FF’, and the recommended setting is x’00E4’.
FIELD: Field Detection Control Register x’007ED2’
(FIELDW x’007EF2’)
ODDEVEN: Field detection signal
0: Odd field
1: Even field
VPHASE[9:0]: Phase difference setting for VSYNC and HSYNC
Set the phase difference in HSYNC separator sampling clock units. The
valid range is x’000’ to x’3FF’.
HLOCKLV: Sync Separator Detection Control Register 1 x’007ED4’
(HLOCKLVW x’007EF4’)
HLOCKLV[8:0]: Sync separator detection threshold
This value is compared to the count of the corrected HSYNC. The valid
range is x’000’ to x’1FF’, and the recommended setting is x’0008’.
HLOCKLV ≤ HSYNC count → asynchronous
HLOCKLV > HSYNC count → synchronous
Bit:1514131211109876543210
—————
HS
FREQ
10
HS
FREQ
9
HS
FREQ
8
HS
FREQ
7
HS
FREQ
6
HS
FREQ
5
HS
FREQ
4
HS
FREQ
3
HS
FREQ
2
HS
FREQ
1
HS
FREQ
0
Reset:0000000100001100
R/W:RRRRRR/WR/WR/WR/WR/WR/WR/WR/WR/WR/WR/W
Bit:1514131211109876543210
——————
H
CLOSE
E9
H
CLOSE
E8
H
CLOSE
E7
H
CLOSE
E6
H
CLOSE
E5
H
CLOSE
E4
H
CLOSE
E3
H
CLOSE
E2
H
CLOSE
E1
H
CLOSE
E0
Reset:0000000011100100
R/W:RRRRRRR/WR/WR/WR/WR/WR/WR/WR/WR/WR/W
Bit:1514131211109876543210
ODD
EVEN
—————
V
PHASE
9
V
PHASE
8
V
PHASE
7
V
PHASE
6
V
PHASE
5
V
PHASE
4
V
PHASE
3
V
PHASE
2
V
PHASE
1
V
PHASE
0
Reset:0000000010000000
R/W:RRRRRRR/WR/WR/WR/WR/WR/WR/WR/WR/WR/W
Bit:1514131211109876543210
———————
H
LOCK
LV 8
H
LOCK
LV 7
H
LOCK
LV 6
H
LOCK
LV 5
H
LOCK
LV 4
H
LOCK
LV 3
H
LOCK
LV 2
H
LOCK
LV 1
H
LOCK
LV 0
Reset:0000000000001000
R/W:RRRRRRRR/WR/WR/WR/WR/WR/WR/WR/WR/W