Command/Data Out Register (Cdor) - National Instruments Corporation GPIB-1014P User Manual

Register Bit Descriptions

Command/Data Out Register (CDOR)

VMEbus Address:
Attributes:
7 6
CDO7 CDO6
The Command/Data Out Register (CDOR) is used to move data from the VMEbus to the GPIB
when the TLC is the GPIB Talker or the Active Controller. Outgoing data is separately latched by
this register and is not destroyed by a read of the DIR which is located at the same address. When a
byte is written to the CDOR, the TLC GPIB Source Handshake (SH) function is initiated and the
byte is transferred to the GPIB.
Bit Mnemonic
7-0w CDO[7-0]
GPIB-1014P User Manual
Base Address + 1 (hex)
Write Only
5 4
CDO5 CDO4
Description
Command/Data Out Bits 7 through 0
3 2
CDO3 CDO2
4-8 © National Instruments Corporation
Section Four
1 0
CDO1 CDO0
W