Analog Devices Advantiv ADV7611 Hardware User's Manual page 107

Hardware User Guide
A_GAIN[9:0] , Addr 44 (CP), Address 0x73[5:0]; Address 0x74[7:4]
A control to set the manual gain value for Channel A.
This register is an unsigned value in a 2.8 binary format. To change A_GAIN[9:0], the register at Address 0x73 and Address 0x74 must be
written to in this order with no I
Function
A_GAIN[9:0]
0x000
0x100 (default)
0x3FF
B_GAIN[9:0] , Addr 44 (CP), Address 0x74[3:0]; Address 0x75[7:2]
A control to set the manual gain value for Channel B.
This register stores an unsigned value in a 2.8 binary format. To change B_GAIN[9:0], the register at Address 0x74 and Address 0x75
must be written to in this order with no I
Function
B_GAIN[9:0]
0x000
0x100 (default)
0x3FF
C_GAIN[9:0] , Addr 44 (CP), Address 0x75[1:0]; Address 0x76[7:0]
A control to set the manual gain value for Channel C.
This register stores an unsigned value in a 2.8 binary format. To change C_GAIN[9:0], the register at Address 0x75 and Address 0x76
must be written to in this order with no I
Function
C_GAIN[9:0]
0x000
0x100 (default)
0x3FF
HSD_FB[11:0] , Addr 44 (CP), Address 0xEB[3:0]; Address 0xEC[7:0] (Read Only)
A readback for the measured value of HSync depth on Channel A, after gain multiplier, for external feedback loop.
The value is presented in twos complement form. This means that only a standard adder is needed to subtract the actual HSync depth (as
per HSD_FB) from a nominal value, as the HSD_FB value is already in negative format.
Function
HSD_FB[11:0] Description
xxxxxxxxxxxx Readback value
2
C access in between.
Description
Gain of 0
Unity gain
Gain of 3.99
2
C access in between.
Description
Gain of 0
Unity gain
Gain of 3.99
2
C access in between.
Description
Gain of 0
Unity gain
Gain of 3.99
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