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HP ESA Status Registers
Using the Analyzer Status Registers
Questionable Status Frequency Register
Figure 2-11. Questionable Status Frequency Register
+
To Questionable Status Register Bit #5
The Questionable Status Frequency Register is used to determine the
specific event that sets bit 5 in the Questionable Status Register. The
Questionable Status Frequency Register consists of the following
registers:
2-24
Source Synth Unlocked
Freq Ref Unlocked
Reserved
Reserved
Synth Unlocked
Invalid BW
Reserved
Reserved
Reserved
Unused
Unused
Unused
Unused
Unused
Unused
Always Zero (0)
QUEStionable
Status
FREQuency
15
14 13
Condition Register
QUEStionable
Status
FREQuency
Positive
15
14 13
Transition Filter
QUEStionable
Status
FREQuency
15
14 13
Negative
Transition Filter
QUEStionable
Status
FREQuency
15
14 13
Event Register
&
&
&
QUEStionable
Status
Event
15
14 13
Enable Register
Questionable Status
Questionable Status
Questionable Status
Questionable Status
Questionable Status
12
11
10
9
8
7
6
5
12
11
10
9
8
7
6
5
12
11
10
9
8
7
6
5
12
11
10
9
8
7
6
5
&
&
&
&
&
&
&
&
12
11
10
9
8
7
6
5
Frequency condition register
Frequency positive transition filter
Frequency negative transition filter
Frequency event register
Frequency event enable register
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
&
&
&
&
&
4
3
2
1
0
ck745a
Chapter 2
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