Datasheet

AD9985
Rev. 0 | Page 25 of 32
1B 7:0 Blue Target Code
This specifies the targeted value of the final offset for
the Blue channel when auto offset is employed
(Register 0x1D Bit 7 = 1). Default is 4.
1D 7 Auto Offset Enable
Enables the auto offset circuitry. Default is 0.
1D 6 Hold Auto Offset
Holds the offset output of the auto offset at the current
value. Default is 0.
1D 1:0 Update Mode
Changes the update rate of the auto offset. Default is
‘10’.
Table 41. Auto Offset Update Rate
Update Mode Auto-Offset Update Timing
00 Every Clamp cycle.
01 Every 16 Clamp cycles.
10 Every 64 Clamp cycles.