User manual

B-4 E6198B Switch/Load Unit User Manual
B Register Definitions
Switch/Load Unit Register Definitions
The Switch/Load Unit registers are defined in the following
tables. Each register has a (W) or (R) following the section title.
This indicates whether the register is a: (R) read only, or (W)
write only register. The following registers are with respect to a
Switch/Load Unit base address corresponding to
FFF0000000000000
2
on the Switch/Load Unit selected.
Table B-3 summarizes the Switch/Load Unit registers.
Table B-3 Switch/Load Unit Registers
Register Offset Definitions Type
Base + 0
h
Card Type Read Only
Base + 1
h
Card Configuration Read Only
Base + 2
h
Status Register Read Only
Base + 3
h
Fixture ID Read Only
Base + 4
h
Digital Input Read Only
Base + 5
h
- 7
h
Not Used
Base + 8
h
DAC1 Output MSB Write Only
Base + 9
h
DAC1 Output LSB Write Only
Base + A
h
Control Register Write Only
Base + B
h
Open Drain Output Write Only
Base + C
h
Digital Output Write Only
Base + D
h
DAC2 Output MSB Write Only
Base + E
h
DAC2 Output LSB Write Only
Base + F
h
Not Used