Freescale Semiconductor MPC8260 - Manual (Page 32)

MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
xxx Freescale Semiconductor
Contents
Paragraph
Number
Title
Page
Number
Chapter 29
Fast Communications Controllers (FCCs)
29.1 Overview........................................................................................................................ 29-1
29.2 General FCC Mode Registers (GFMRx) ....................................................................... 29-3
29.3 FCC Protocol-Specific Mode Registers (FPSMRx) ...................................................... 29-7
29.4 FCC Data Synchronization Registers (FDSRx)............................................................. 29-8
29.5 FCC Transmit-on-Demand Registers (FTODRx).......................................................... 29-8
29.6 FCC Buffer Descriptors ................................................................................................. 29-9
29.7 FCC Parameter RAM................................................................................................... 29-11
29.7.1 FCC Function Code Registers (FCRx) .................................................................... 29-13
29.8 Interrupts from the FCCs ............................................................................................. 29-14
29.8.1 FCC Event Registers (FCCEx) ................................................................................ 29-14
29.8.2 FCC Mask Registers (FCCMx) ............................................................................... 29-15
29.8.3 FCC Status Registers (FCCSx)................................................................................ 29-15
29.9 FCC Initialization ........................................................................................................ 29-15
29.10 FCC Interrupt Handling ............................................................................................... 29-16
29.10.1 FCC Transmit Errors................................................................................................ 29-16
29.10.1.1 Re-Initialization Procedure .................................................................................. 29-16
29.10.1.2 Recovery Sequence.............................................................................................. 29-17
29.10.1.3 Adjusting Transmitter BD Handling.................................................................... 29-17
29.11 FCC Timing Control .................................................................................................... 29-17
29.12 Disabling the FCCs On-the-Fly ................................................................................... 29-20
29.12.1 FCC Transmitter Full Sequence............................................................................... 29-21
29.12.2 FCC Transmitter Shortcut Sequence ....................................................................... 29-21
29.12.3 FCC Receiver Full Sequence ................................................................................... 29-21
29.12.4 FCC Receiver Shortcut Sequence............................................................................ 29-21
29.12.5 Switching Protocols ................................................................................................. 29-22
29.13 Saving Power ............................................................................................................... 29-22
Chapter 30
ATM Controller and
AAL0, AAL1, and AAL5
30.1 Features .......................................................................................................................... 30-1
30.2 ATM Controller Overview............................................................................................. 30-4
30.2.1 Transmitter Overview ................................................................................................ 30-5
30.2.1.1 AAL5 Transmitter Overview................................................................................. 30-5
30.2.1.2 AAL1 Transmitter Overview................................................................................. 30-5
30.2.1.2.1 AAL1 CES Transmitter Overview .................................................................... 30-6
30.2.1.3 AAL0 Transmitter Overview................................................................................. 30-6