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OSB
ESB
7
6
5
4
1
0
*STB? returns the
Status Byte Register
STAT3:OPER:ENAB sets
the Operational Slot Status
Enable Mask for Slot 3
Operational Slot Status Enable Mask
15 14 13 12 11 10 9 8
&
&
&
&
&
&
15 14 13 12 11 10 9 8
Operational Slot Status Event Register
Figure 1-4
Introduction to Programming
The Status Model
STAT:OPER:ENAB sets
the Operational Status
Enable Summary Mask
QSB
3
2
1
0
Status
0
Byte
7 6 5 4 3 2 1 0
1 1
&
&
&
&
&
&
&
&
7 6 5 4 3 2 1 0
1 0
The Operational Status System
29
Operational Status Enable Summary Mask
15 14 13 12 11 10 9 8
&
&
&
&
15 14 13 12 11 10 9 8
1
1
Operational Status Event
&
Summary Register
&
STAT:OPER? returns the
Event Summary Register
All bits shown as
STAT3:OPER? returns the Operational
0
0
Slot Status Event Register for Slot 3
7 6 5 4 3 2 1 0
1
&
&
&
&
&
&
&
&
7 6 5 4 3 2 1 0
0
Operational Status
are unused
1 1
1 1
&
&
&
&
1 0
0
0
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