B-10 E6198B Switch/Load Unit User Manual
B Register Definitions
Load Card Register Definitions
Registers for the various load cards are defined in the following
tables. Each register is designated as W (Write-only) or R
(Read-only). The
h
subscipt indicates a hexadecimal number.
Table B-6 summarizes the register mapping for all load cards.
Table B-6 Summary of Load Card Register Definitions
Register
Offset
E6175A
8-Ch.
E6176A
16-Ch.
E6177A
24-Ch.
U7177A
24-Ch.
E6178B
8-Ch.
N9377A
16-Ch.
N9378A
24-Ch.
N9379A
48-Ch.
Base+0
h
Card type Card type Card type Card type Card type Card type Card type Card type
Base+1
h
Card
config.
Card
config.
Card
config.
Card
config.
Card
config.
Card
config.
Card
config.
Card
config.
Base+2
h
Status Status Status Status Status Status &
card
config. bit
8
Status &
control
Status &
control
Base+3
h
Current
select
Current
select
Load
select 1-8
Current
Sense
Current
select
Current
select
Mezzanin
e card #1
config.
Mezzanin
e card #1
config.
Base+4
h
Load
select 1-8
Load
select 1-8
Load
select
9-16
Load
select 1-8
Load
select
Load
select
Mezzanin
e card #2
config.
Mezzanin
e card #2
config.
Base+5
h
Power
select 1-8
Load
select
9-16
Load
select
17-24
Load
select
9-16
N/A Load
select
Mezzanin
e card #3
config.
Mezzanin
e card #3
config.
Base+6
h
N/A Power
select 1-8
Power
select 1-8
Load
select
17-24
N/A Power
select
Load
select
Load
select
Base+7
h
N/A Power
select
9-16
Power
select
9-16
Power
select 1-8
N/A Power
select
Load
select
Load
select
Base+8
h
N/A N/A Power
select
17-24
Load
select 1-8
N/A Power
select
Load
select
Load
select
Base+9
h
N/A N/A N/A Power
select
9-16
N/A Power
select
Load
select
Load
select
Base+A
h
N/A N/A N/A Power
select
17-24
N/A N/A Load
select
Load
select
Base+B
h
N/A N/A N/A N/A N/A N/A Load
select
Load
select