©2018
Rev 2.0
27
Hardware Registers
Bits Type Name
Width Description
[0]
W
autoGainEnable
1
0 = Attenuator and RF amplifier states are not
manipulated when RF values are changed
1 = Computes and applies new sets of attenuator
and amplifier states to the device as frequency is
changed
[1]
W
loadParams
1
0 = Not to load new input parameter such as RF
level, etc. Will not load any information from bits
[47:2]
1 = Will load bits [31:2]
[2]
W
autoCntrlRfAmp
1
0 = Computation will leave the state of the RF
amplifier unchanged
1 = Computation will change the state of the RF
amplifier to provide the best device
configuration to meet the input parameter
requirements
[4:3]
W
linearMode
2
0 = Best signal-to-noise (SNR), least linear
1 = Better SNR, sufficiently linear
2 = Better linearity, sufficient SNR
3 = Best linearity, least SNR
[7:5]
W
Unused
3
Set to zeros
[14:8]
W
rfLevel
7
Set the absolute level of the expected RF input
level in dB.
[15]
W
rfLevel Sign bit
1
0 = Positive
1 = Negative
[22:16]
W
mixerLevel
7
Set the absolute level of the expected input
mixer level in dB
[23]
W
mixerLevel Sign bit
1
0 = Positive
1 = Negative
[30:24]
W
ifLevel
7
Set the absolute level of the expected output IF3
level in dB
[31]
W
ifLevel Sign bit
1
0 = Positive
1 = Negative
[39:32]
W
Unused
8
Set to zeros