MA28140 Datasheet, PDF (14/72 Pages) Dynex Semiconductor – Packet Telecommand Decoder

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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