USB Stick Synthesizer
IEEE 488.2 Command Reference
11. *SRE
<
NRf
>
The
*SRE
command sets the Service Request Enable register bits. This register contains a mask value
for the bits to be enabled in the Status Byte Register. A
1
in the enable register enables the corresponding
bit in the Status Register, a
0
disables the corresponding bit in the Status Register. The parameter value
when expressed in base 2, represents bits 0 to 5 and bit 7 of the Service Request Enable Register. Bit 6
is not used and is always
0
. Table 7.5 shows the contents of this register.
Table 7.5:
*SRE bit mapping
Bit
Base 2
Meaning
0
1
Not used
1
2
Not Used (not used)
2
4
Device Dependent
3
8
Questionable Status Summary
4
16
Message Available
5
32
Event Status Bit
6
64
Not Used
7
128
Operation Status Summary
Syntax
*SRE
Space
NRf
?
Allowed Values
The
NRf
parameter can be any integer in the range of 0 to 255.
Query
*SRE?
This query returns the contents of bits 0 to 5 and bit 7 of the Service Request Enable Register.
Bit 6 is always 0.
Applied Radar, Inc.
Revision 2.0.1
56
