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MAR28140FE

Packet Telecommand Decoder

Dynex Semiconductor 

MA28140

Buffer Management

Once the data is validated (Clean, Legal and Frame

Validation processes passed), it is transferred from the front-

end buffer to the back-end buffer for use by the segmentation

layer. Only one back-end buffer is managed by the PTD. This

mechanism is depicted in figure 6 below:

N Segment Reception

FRONT END BUFFER

Segment n

Coding and

Transfer

Layers

Segmentation Layer

Applications

Segment n-1

BACK END BUFFER

CPDU

Segment n-1

CPDU BUFFER

N+1 Segment Reception

BACK END BUFFER

Segment n

CPDU I/F

Coding and

Transfer

Layers

Segmentation Layer

Applications

Segment n+1

CPDU

FRONT END BUFFER

Segment n

CPDU BUFFER

Figure 6: Buffer Management

CPDU I/F

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