Agilent Technologies InfiniiVision 3000 Programmer's Manual page 1058

36
Status Reporting
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The status registers picture above shows how the different status reporting
data structures work together. To make it possible for any of the Standard
Event Status Register bits to generate a summary bit, the bits must be
enabled. These bits are enabled by using the *ESE common command to
set the corresponding bit in the Standard Event Status Enable Register.
To generate a service request (SRQ) interrupt to an external controller, at
least one bit in the Status Byte Register must be enabled. These bits are
enabled by using the *SRE common command to set the corresponding bit
in the Service Request Enable Register. These enabled bits can then set
RQS and MSS (bit 6) in the Status Byte Register.
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Table 72
Table 73
Table 75
Table 70
Table 77
Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide