5
Figure 5-1. Common Status Registers
*
The questionable and operation status trees are described in \:STATus
Commands".
Note
Unused bits in any of the registers return 0 when you read
them.
SRQ, The Service Request
A service request (SRQ) occurs when a bit in the Status Byte register goes from
0
!
1
AND the corresponding bit in the Service Request Enable Mask is set.
The Request Service (RQS) bit is set to
1
at the same time that the SRQ is
caused. This bit can only be reset by reading it by a serial poll. The RQS bit is
5-6 Remote Commands
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