Status and Event Reporting
VX4792 User Manual
4-7
PON URQ CME EXE DDE QYE RQC OPC
PON
7
Device Events
Device Event Status Enable Register
set with :DESE read with : DESE?
URQ
6
CME
5
EXE
4
DDE
3
QYE
2
RQC
1
OPC
0
Standard Event Status Register read and clear
with *ESR? clear with *CLS
Event
Queue
-
-
CODE
CODE
CODE
Output
Queue
-
-
BYTE
BYTE
&
&
Logic
OR
&
&
&
&
&
&
7 6 5 4 3 2 1 0
Standard Event Status Enable Register set
with *ESR? clear with *CLS
Queue not empty
-
ESB
MAV
- - - -
RQS
MSS
&
OR
&
&
&
&
&
&
7 5 4 3 2 1 0
Service Request Enable Register set with
*SRE? clear with *SRE
Status Byte Register read with serial poll
or *STB? clear with *CLS
Service
Request
Generation
&
&
&
&
&
&
&
&
&
&
&
&
&
Figure 4-6: Status and Event Handling Process Overview
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