Clock Recovery(modified_clock_recovery)

Mueller and Muller dicrete-time error-tacking synchronizer.

Design

This component will be deprecated within this OSP in future releases. It is the equivalent of modified_clock_recovery_mm_cc component within OpenCPI SDR Assets Library (ocpi.sdr.assets) .

Interface

<ComponentSpec>
    <Property Name="omega"                Type="short" Initial="true"/>
    <Property Name="mu"                   Type="short" Initial="true"/>
    <Property Name="gain_mu"              Type="short" Initial="true"/>
    <Property Name="gain_omega"           Type="short" Initial="true"/>
    <Property Name="omega_limit" Type="short" Initial="true" Description="Omega limit = omega * omega_relative_limit"/>
</ComponentSpec>

Properties

• omega

  • Type: short

  • Access:

    • Parameter: False

    • Writable: False

    • Initial: True

    • Volatile: False

  • Default value: None

• mu

  • Type: short

  • Access:

    • Parameter: False

    • Writable: False

    • Initial: True

    • Volatile: False

  • Default value: None

• gain_mu

  • Type: short

  • Access:

    • Parameter: False

    • Writable: False

    • Initial: True

    • Volatile: False

  • Default value: None

• gain_omega

  • Type: short

  • Access:

    • Parameter: False

    • Writable: False

    • Initial: True

    • Volatile: False

  • Default value: None

• omega_limit: Omega limit = omega * omega_relative_limit.

  • Type: short

  • Access:

    • Parameter: False

    • Writable: False

    • Initial: True

    • Volatile: False

  • Default value: None

Ports

Inputs:

• in

  • Protocol: short_timed_sample-prot

  • Optional: False

Outputs:

• out

  • Protocol: short_timed_sample-prot

  • Optional: False

Implementations

• modified_clock_recovery (HDL)

Dependencies

The dependencies to other elements in OpenCPI are:

• NONE

There is also a dependency on:

• ieee.std_logic_1164

• ieee.numeric_std

Limitations

Limitations of modified_clock_recovery are:

• NONE