Printer Accessories User Manual

Chapter 4 Register Bit Descriptions
© National Instruments Corporation 4-5 GPIB-1014 User Manual
DIR
CDOR
(Contents of Read Register)
(Contents of Write Register)
Legend
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
R
W
R
W
R
W
R
W
R
W
R
W
R
W
R
W
DI7
DI6
DI5 DI4 DI3
DI2
DI1
DI0
CDO7 CDO6
CDO5
CDO4 CDO3 CDO2 CDO1 CDO0
ISR1
IMR1
ISR2
IMR2
SPSR
SPMR
ADSR
ADMR
CPTR
AUXMR
ADR
ADR1
ADR0
EOSR
CPT APT DET END RX DEC ERR DO DI
CPT IE APT IE DET IE END IE DEC IE ERR IE DO IE DI IE
INT SRQI LOK
REM
CO LOKC REMC ADSC
0 SRQI IE DMAO DMAI CO IE LOKC IE REMC IE ADSC IE
S8 PEND
S6
S5
S4
S3 S2 S1
S8 rsv S6
S5
S4 S3
S2
S1
CIC
ATN*
SPMS
LPAS TPAS LA TA MJMN
ton lon TRM1 TRM0
0 0 ADM1
ADM0
CPT7 CPT6 CPT5 CPT4 CPT3 CPT2 CPT1 CPT0
CNT2 CNT1 CNT0 COM4 COM3 COM2 COM1 COM0
X DT0 DL0 AD5-0 AD4-0
AD3-0
AD2-0 AD1-0
ARS DT DL
AD5 AD4
AD3
AD2 AD1
EOI DT1 DL1 AD5-1 AD4-1 AD3-1 AD2-1 AD1-1
(hex)
Address
Offset
Read/
Write
EOS7 EOS6 EOS0EOS5 EOS4 EOS3 EOS2 EOS1
Note: X indicates bit is not used.
+111
+113
+115
+117
+119
+11B
+11D
+11F
Figure 4-1. Interface Registers