HP 8340B Operating Instructions Manual page 97

HP 9826/9836 (926/936) Status Register 7
Most Significant Bit
Bit 15 Bit 14
Bit 13 Bit 12
Bit 11 Bit 10
Bit 9 Bit 8
ATN
True
DAV
True
NDAC*
True
NRFD*
True
EOI
True
SRQ**
True
IFC
True
REN
True
Value =
32 768
Value =
16 384
Value =
8 192
Value =
4 096
Value
2 048
Value =
1 024
Value =
512
Value
256
Least Significant Bit
Bit 7 Bit 6
Bit5
Bit 4 Bit 3 Bit 2
Bit 1 BitO
DI08 DI07 DI06
DI05 DI04 DI03
DI02 DIOI
Value = 128 Value = 64
Value = 32 Value = 16 Value = 8
Value = 2 Value = 1
'Only if addressed to TALK, else not valid.
"Only if Active Controller, else not valid.
HP 85A HP-IB Status Registers
Status
Register
Bit Number
Default Register
Number
a
D
5
a
3
2
D
D
Value
Function
SRO 0 0 0 0 0
:
0 0 i 1
Interface
Identification
SRI
IFC LA CA TA SRQ
DCL or
SDC
GET SCG 0
Interrupt
Cause
SR2 0 REN SRQ ATN EOI
DAV NDAC NRFD 64
HP-IB Control
Lines
SR3 DI08
DI07 DI06 DI05
DI04
DI03
DI02 DIOI
Not
Applicable
HP-IB Data
Lines
SR4
0
0 SC A4 A3
A2 A1 AO 53
HP-IB Address/
System Controller
SR5 SC
LA CA TA SPE
Parity
Error REN LLO
160
State
Register
SR6 0 0 0
SC5 SC4 SC3 SC2 SCI 0
Secondary
Commands
Figure 3-27. Representative Status Registers
3-94 Operating Information
HP 8340B/41B