Figure 4-1. Μpd7210 Interface Registers - National Instruments Corporation GPIB-1014P User Manual

Section Four
Address
Offset
(hex)
DIR
+1
CDOR
ISR1
+3
IMR1
ISR2
+5
IMR2
SPSR
+7
SPMR
ADSR
+9
ADMR
CPTR
+B
AUXMR
ADR0
+D
ADR
ADR1
+F
EOSR
© National Instruments Corporation
(Contents of Read Register)
Bit Bit Bit
7 6 5
(Contents of Write Register)
DI7 DI5
DI6
CDO7 CDO6 CDO5
CPT APT DET END RX DEC
CPT IE APT IE DET IE END IE DEC IE ERR IE DO IE
INT SRQI LOK
REM
0 SRQI IE DMAO DMAI CO IE LOKC IE REMC IEADSC IE
S8 PEND
S6
S8 rsv S6
ATN* SPMS LPAS
CIC
ton lon TRM1 TRM0
CPT7 CPT6 CPT5
CNT2 CNT1 CNT0 COM4 COM3 COM2 COM1 COM0
X DT0 DL0
ARS DT DL
EOI DT1 DL1
EOS7 EOS6 EOS5
Note: X indicates a don't care bit.
Figure 4-1. µPD7210 Interface Registers
Legend
Bit Bit
Bit
4 3 2
DI2
DI4 DI3
CDO4 CDO3 CDO2 CDO1 CDO0
ERR
CO LOKC REMC
S4
S5 S3
S4 S3
S5
TPAS LA
0 0
CPT4 CPT3 CPT2
AD5-0 AD4-0 AD3-0 AD2-0 AD1-0
AD3
AD5 AD4
AD5-1 AD4-1 AD3-1 AD2-1 AD1-1
EOS4 EOS3 EOS2
4-5
Register Bit Descriptions
Bit Bit
1 0
Read/
Write
R
DI1
DI0
W
R
DO DI
W
DI IE
R
ADSC
W
S2 S1
R
S1
S2 W
TA MJMN R
W
ADM1 ADM0
CPT1 CPT0
R
W
R
AD2 AD1 W
R
EOS1 EOS0 W
GPIB-1014P User Manual