DeltaSum Limit Register (0x34) - 1.0 English

Audio Clock Recovery Unit LogiCORE IP Product Guide (PG335)

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1.0 English
This register allows the you to specify the maximum limit of deltasum. In loop control mode, the ACR internally adjusts the value of N or Maud to vary the output frequency. This register specifies the maximum limit of this variation. For example, if N=6000 and this register is programmed as 200, then the ACR internally varies the value of N to a maximum value of 6200 and a minimum value of 5800.
Table 1. DeltaSum Limit Register (0x34)
Bit Default Value Access Type Description
31:16 0 RO Reserved
15:0 0 R/W Specify the maximum limit of the sum delta. This is the max amount of variation required in N or Maud. This is used only in loop control mode.