MPC8280 datasheet(34/1386 Pages) FREESCALE

34 / 1386 page

MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

xxxiv

Freescale Semiconductor

Contents

Paragraph

Number

Title

Page

Number

30.12.1

FCC Transmitter Full Sequence............................................................................... 30-21

30.12.2

FCC Transmitter Shortcut Sequence ....................................................................... 30-21

30.12.3

FCC Receiver Full Sequence ................................................................................... 30-21

30.12.4

FCC Receiver Shortcut Sequence............................................................................ 30-21

30.12.5

Switching Protocols ................................................................................................. 30-22

30.13

Saving Power ............................................................................................................... 30-22

Chapter 31

ATM Controller and

AAL0, AAL1, and AAL5

31.1

Features .......................................................................................................................... 31-1

31.2

ATM Controller Overview............................................................................................. 31-5

31.2.1

Transmitter Overview ................................................................................................ 31-5

31.2.1.1

AAL5 Transmitter Overview................................................................................. 31-5

31.2.1.2

AAL1 Transmitter Overview................................................................................. 31-5

31.2.1.2.1

AAL1 CES Transmitter Overview .................................................................... 31-6

31.2.1.3

AAL0 Transmitter Overview................................................................................. 31-6

31.2.1.4

AAL2 Transmitter Overview................................................................................. 31-6

31.2.1.5

Transmit External Rate and Internal Rate Modes.................................................. 31-6

31.2.2

Receiver Overview .................................................................................................... 31-6

31.2.2.1

AAL5 Receiver Overview ..................................................................................... 31-7

31.2.2.2

AAL1 Receiver Overview ..................................................................................... 31-7

31.2.2.2.1

AAL1 CES Receiver Overview......................................................................... 31-8

31.2.2.3

AAL0 Receiver Overview ..................................................................................... 31-8

31.2.2.4

AAL2 Receiver Overview ..................................................................................... 31-8

31.2.3

Performance Monitoring............................................................................................ 31-8

31.2.4

ABR Flow Control..................................................................................................... 31-8

31.3

ATM Pace Control (APC) Unit...................................................................................... 31-8

31.3.1

APC Modes and ATM Service Types ........................................................................ 31-8

31.3.2

APC Unit Scheduling Mechanism ............................................................................. 31-9

31.3.3

Determining the Scheduling Table Size................................................................... 31-10

31.3.3.1

Determining the Cells Per Slot (CPS) in a Scheduling Table.............................. 31-10

31.3.3.2

Determining the Number of Slots in a Scheduling Table .................................... 31-10

31.3.4

Determining the Time-Slot Scheduling Rate of a Channel ..................................... 31-11

31.3.5

ATM Traffic Type .................................................................................................... 31-11

31.3.5.1

Peak Cell Rate Traffic Type................................................................................. 31-11

31.3.5.2

Determining the PCR Traffic Type Parameters ................................................... 31-11

31.3.5.3

Peak and Sustain Traffic Type (VBR) ................................................................. 31-12

31.3.5.3.1

Example for Using VBR Traffic Parameters ................................................... 31-12

31.3.5.3.2

Handling the Cell Loss Priority (CLP)—VBR Type 1 and 2 .......................... 31-13

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