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Register Bit Descriptions
Bit
Mnemonic
7w
0
6r
SRQI
6w
SRQI IE
GPIB-1014P User Manual
Description
Notes
CPT:
Command Pass Through Bit
CPT IE:
Enable Interrupt on Command Pass Through Bit
APT:
Address Pass Through Bit
APT IE:
Enable Interrupt on Address Pass Through Bit
DET:
Device Execute Trigger Bit
DET IE:
Enable Interrupt on Device Execute Trigger Bit
ERR:
Error Bit
ERR IE:
Enable Interrupt on Error Bit
END RX:
End Received Bit
END IE:
Enable Interrupt on End Received Bit
DEC:
Device Clear Bit
DEC IE:
Enable Interrupt on Device Clear Bit
DO:
Data Out Bit
DO IE:
Enable Interrupt on Data Out Bit
DI:
Data In Bit
DI IE:
Enable Interrupt on Data In Bit
SRQI:
Service Request Input Bit
SRQI IE:
Enable Interrupt on Service Request Input Bit
REMC:
Remote Change Bit
REMC IE:
Enable Interrupt on Remote Change Bit
CO:
Command Output Bit
CO IE:
Enable Interrupt on Command Output Bit
LOKC:
Lockout Change Bit
LOKC IE:
Enable Interrupt on Lockout Change Bit
ADSC:
Address Status Change Bit
ADSC IE:
Enable Interrupt on Address Status Change Bit
Reserved Bit
Write zero to this bit.
Service Request Input Bit
Service Request Input Interrupt Enable Bit
SRQI is set when:
(CIC & SRQ & -(RQS & DAV)) becomes true
SRQI is cleared by:
pon + (Read ISR2)
Notes:
CIC:
GPIB Controller In Charge
SRQ:
GPIB Service Request message
RQS:
GPIB Request Service message
DAV:
GPIB Data Valid message
4-16
Section Four
© National Instruments Corporation
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Troubleshooting
