Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 34

Paragraph
Number
36.1 ATM Capabilities ........................................................................................................... 36-1
36.2 MPC885 and MPC860 Differences ............................................................................... 36-1
36.2.1 Parameter RAM Conflicts ......................................................................................... 36-2
36.2.2 IDMA2 Restriction .................................................................................................... 36-2
36.2.3 UTOPIA Conflicts ..................................................................................................... 36-2
36.2.4 ATM Pace Controller (APC), APC Timer, and SCC4 ............................................... 36-2
36.3 ATM Features ................................................................................................................ 36-3
36.4 MPC885 Application Example...................................................................................... 36-5
36.5 Overview of ATM Operation ......................................................................................... 36-6
36.6 UTOPIA Operation........................................................................................................ 36-6
36.6.1 UTOPIA Transmit Overview..................................................................................... 36-7
36.6.2 UTOPIA Receive Overview ...................................................................................... 36-7
36.6.3 Expanded Cells .......................................................................................................... 36-8
36.7 Serial ATM Operation.................................................................................................... 36-9
36.7.1 Serial ATM Transmit Overview................................................................................. 36-9
36.7.2 Serial ATM Receive Overview .................................................................................. 36-9
36.7.2.1 Cell Delineation ................................................................................................... 36-10
36.7.3 Cell Payload Scrambling/Descrambling.................................................................. 36-10
36.8 ATM Pace Control (APC)............................................................................................ 36-10
36.9 Internal and External Channels (Extended Channel Mode) ........................................ 36-11
36.10 ATM Port-to-Port (PTP) Cell Switching...................................................................... 36-11
36.11 Memory-to-Memory SAR ........................................................................................... 36-12
36.12 General ATM Initialization Requirement .................................................................... 36-12
37.1 ATM Buffer Descriptors (BDs) ..................................................................................... 37-1
37.1.1 AAL5 Buffers ............................................................................................................ 37-2
37.1.2 AAL0 Buffers ............................................................................................................ 37-3
37.1.3 ATM Receive Buffer Descriptors (RxBDs)............................................................... 37-3
37.1.4 ATM Transmit Buffer Descriptors (TxBDs).............................................................. 37-6
37.2 Receive and Transmit Connection Tables (RCTs and TCTs) ...................................... 37-10
37.2.1 Receive Connection Table (RCT)............................................................................ 37-11
37.2.1.1 Port-to-Port Protocol-Specific RCT .................................................................... 37-15
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Contents
Title
Part VI
Asynchronous Transfer Mode (ATM)
Chapter 36
ATM Overview
Chapter 37
Buffer Descriptors and Connection Tables
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Page
Number
Freescale Semiconductor