Register Definitions B
E6198B Switch/Load Unit User Manual B-3
Base Address
All register address definitions are with respect to a base
address as follows:
• The Switch/Load Unit base address is defined as the slot
base address for slot 0: Base = FFF00000 00000000
2
• The Base address for the cards within the Switch/Load Unit
is defined as: Base = FFFSSSSS 00000000
2
Where SSSSS is any binary value from slot numbers.
For example: The base address for a load card inserted in slot
20 of the first Switch/Load Unit would be:
Frame 1:001
2
Slot 20:10100
2
Register 0:00000000
2
Base Address: 0011010000000000
2
or 3400
h
Agilent E8792A 10
10
(0A
h
) Fully loaded pin card (includes
instrumentation multiplexer)
Agilent E8793A 11
10
(0B
h
) Partially loaded pin card (w/out
instrumentation multiplexer).
Agilent E8782A 67
10
(43
h
) Fully loaded pin card (includes
instrumentation multiplexer and with
AUX pin)
Agilent E8783A 71
10
(47
h
) Fully loaded pin card (includes AUX pin
but w/out instrumentation multiplexer)
Agilent E8794A 20
10
(14
h
)Custom Card
Agilent E6198B 30
10
(1E
h
)Backplane Rev. A
Tabl e B-2 Standard Registers (continued)
Model Number Card Type Value Description
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