HP ESA-E Series - Page 54

2-24 Chapter2
HP ESA Status Registers
Using the Analyzer Status Registers
Questionable Status Frequency Register
Figure 2-11. Questionable Status Frequency Register
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:
Questionable Status
Frequency condition register
Questionable Status Frequency positive transition filter
Questionable Status Frequency negative transition filter
Questionable Status Frequency event register
Questionable Status Frequency event enable register
To Questionable Status Register Bit #5
QUEStionable
FREQuency
Condition Register
Status
QUEStionable
FREQuency
Event Register
Status
QUEStionable
Event
Enable Register
Status
QUEStionable
FREQuency
Negative
Transition Filter
Status
QUEStionable
FREQuency
Positive
Transition Filter
Status
+
012345678910111214 1315
&
&
&
&
&
&
&
&
&
&
&
&
&
&
&
&
012
3
45678910111214 1315
012
3
45678910111214 1315
012
3
45678910111214 1315
012345678910111214 1315
ck745a
Source Synth Unlocked
Reserved
Freq Ref Unlocked
Synth Unlocked
Invalid BW
Reserved
Reserved
Reserved
Unused
Unused
Unused
Unused
Unused
Unused
Always Zero (0)
Reserved