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Freescale Semiconductor MPC8260 User Manual

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Inverse Multiplexing for ATM (IMA)

MPC8260 PowerQUICC II Family Reference Manual, Rev. 2

Freescale Semiconductor

33-9

ATM

RX

Function

Cell 1 Cell 2 Cell 3

Cell 4

Cell n

IMA RX

Function

Fast

Communication

Controller

acting as a
Virtual PHY

Cell 1

Cell n

Cell 2

Phy 1

Phy 2

Phy n

Cell n+1

ATM

TX

Function

Cell 1

Cell 2

Cell 3

Cell 4

Cell n

IMA TX

Function

Fast

Communication

Controller

acting as a
Virtual PHY

Cell 1

Cell n

Cell 2

Phy 1

Phy 2

Phy n

Cell n+1

Link ID #1

Link ID #N

Links 1 - N make up an IMA group