2260B Series Programming Manual
88
(ESB) Event Summary Bit. The
ESB is the summary bit for the
Standard Event Status Register
group.
5 32
MSS Bit
The MSS Bit is the summary of
the Status Byte Register and
Service Request register (bits 1-5,
7). This will be set to 1.
6 64
OPER (Operation Status Register)
OPER bit is the summary bit for
the Operation Status Register
Group.
7 128
Status Byte
Register
Any bits set in the Status byte register acts as a
summary register for all the three other status
registers and indicates if there is a service
request, an error in the Error Queue or data in
the Output Queue. Reading the Status Byte
register will reset the register to 0.
Service Request
Enable Register
The Service Request Enable Register controls
which bits in the Status Byte Register are able to
generate service requests.
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