z86230 ZiLOG Semiconductor, z86230 Datasheet - Page 26

• Manufacturer Part Number: z86230
• Description: Advanced Violence Blocking And Ntsc Line 21 Xds
• Manufacturer: ZiLOG Semiconductor

6.1.3 XDS Data Activity Register
6.1.4 XDS Filter Register
26
C
ONTROL
D
The default is
lines per display row.
D
D
T
D
D
XDS data is received within the previous 16 seconds: High = Active, Low = Inac-
tive. The
D
T
D
port when XDS recovery is enabled.
D
when XDS recovery is enabled.
D
Serial Control port when XDS recovery is enabled.
D
trol port when XDS recovery is enabled.
D
trol port when XDS recovery is enabled.
D
filtering the XDS data when XDS recovery is enabled.
Bit
R/W
Bit
R/W
ABLE
ABLE
R
0
1
2
0
1
2
0
1
2
3
4
5
–TVS.
-Res.
-D
-Res.
–XDS.
-D
–CURR.
–FUTR.
–CHAN.
–MISC.
–PUBL.
-D
EGISTERS
7
7
7
-Res.
-Res.
–s
13. XDS D
14. XDS F
0
Reserved
Reserved.
RESET
–s
Selects the television standard. High selects
Indicates XDS data is being processed. This bit becomes inactive if no
Selects Miscellaneous Class packets for output through the Serial Con-
Selects Future Class packets for output through the Serial Control port
Selects Public Service Class packets for output through the Serial Con-
Selects Current Class packets for output through the Serial Control
Selects Channel Information Class packets for output through the
2
Reserved.
Reserved.
.
Selects a set of secondary parameters, tabulated below, to be used in
NTSC
Z86230—PRELIMINARY
state is Low.
ILTER
ATA
R/W
res
s
. When
R
7
7
2
A
R
CTIVITY
EGISTER
R/W
res
s
PAL
R
6
6
1
R
EGISTER
(A
is selected, the display defaults to 15 TV scan
R/W
res
s
R
DDRESS
5
5
0
PUBL
(A
R/W
res
R
= 05h)
4
4
DDRESS
MISC CHAN FUTR CURR
R/W
res
= 04h)
R
3
3
PAL
and Low selects
R/W
res
R
2
2
PS000400-TVC0499
R
EGISTERS
XDS
R/W
R
1
1
S
UMMARY
NTSC
R/W
res
R
0
0
.