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SERVICE
REOUEST
GENERATION
HP 16628/16538
Programming Reference
Status Byte.
The Status Byte contains the basic status information which
is sent over the bus in a serial poll. If the device is requesting service
(RQS set), and the controller serial polls the device, the RQS bit is
cleared. The MSS (Master Summary Status) bit (read with *STB?) and
other bits of the Status Byte are not be cleared by reading them. Only the
RQS bit is cleared when read.
The Status Byte is cleared with the *CLS common command.
SUMMARY MESSAGES-
Figure B-2. Service Request Enabling
STATUS
BYTE
REGISTER
SERVICE
REOUEST
0
ENABLE
REGISTER
Status Reporting
B-5
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