Z8623012PSC View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z8623012PSC' PDF : 61 Pages View PDF
CONTROL REGISTERS
REGISTERS SUMMARY
D0–TVS. Selects the television standard. High selects PAL and Low selects NTSC.
The default is NTSC. When PAL is selected, the display defaults to 15 TV scan
lines per display row.
D1-Res. Reserved
D2-D7-Res. Reserved.
6.1.3 XDS Data Activity Register
TABLE 13. XDS DATA ACTIVITY REGISTER (ADDRESS = 04h)
Bit
7
6
5
4
3
2
1
0
res res res res res res XDS res
R/W
R
RR
R
R
R
R
R
D0-Res. Reserved.
D1–XDS. Indicates XDS data is being processed. This bit becomes inactive if no
XDS data is received within the previous 16 seconds: High = Active, Low = Inac-
tive. The RESET state is Low.
D2-D7-Res. Reserved.
6.1.4 XDS Filter Register
TABLE 14. XDS FILTER REGISTER (ADDRESS = 05h)
Bit
7
6
5
4
3
2
1
0
s2
s1 s0 PUBL MISC CHAN FUTR CURR
R/W
R/W R/W R/W R/W R/W R/W R/W R/W
D0–CURR. Selects Current Class packets for output through the Serial Control
port when XDS recovery is enabled.
D1–FUTR. Selects Future Class packets for output through the Serial Control port
when XDS recovery is enabled.
D2–CHAN. Selects Channel Information Class packets for output through the
Serial Control port when XDS recovery is enabled.
D3–MISC. Selects Miscellaneous Class packets for output through the Serial Con-
trol port when XDS recovery is enabled.
D4–PUBL. Selects Public Service Class packets for output through the Serial Con-
trol port when XDS recovery is enabled.
D5-D7–s0–s2. Selects a set of secondary parameters, tabulated below, to be used in
filtering the XDS data when XDS recovery is enabled.
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Z86230—PRELIMINARY
PS000400-TVC0499
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