Freescale Semiconductor MPC5200B - Manual (Page 10)

Table of Contents
Paragraph Page
Number Number
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor TOC-9
11.3.3.5 ATA Drive Error Register—MBAR + 0x3A64 .......................................................................................11-14
11.3.3.6 ATA Drive Sector Count Register—MBAR + 0x3A68 ...........................................................................11-15
11.3.3.7 ATA Drive Sector Number Register—MBAR + 0x3A6C .......................................................................11-15
11.3.3.8 ATA Drive Cylinder Low Register—MBAR + 0x3A70 .........................................................................11-16
11.3.3.9 ATA Drive Cylinder High Register—MBAR + 0x3A74 .........................................................................11-16
11.3.3.10 ATA Drive Device/Head Register—MBAR + 0x3A78 ..........................................................................11-17
11.3.3.11 ATA Drive Device Command Register—MBAR + 0x3A7C ..................................................................11-17
11.3.3.12 ATA Drive Device Status Register—MBAR + 0x3A7C .........................................................................11-19
11.4 ATA Host Controller Operation ............................................................................................................................11-20
11.4.1 PIO State Machine ..........................................................................................................................................11-21
11.4.2 DMA State Machine .......................................................................................................................................11-22
11.4.2.1 Software Requirements .............................................................................................................................11-22
11.5 Signals and Connections .......................................................................................................................................11-23
11.6 ATA Interface Description ....................................................................................................................................11-24
11.7 ATA Bus Background ...........................................................................................................................................11-26
11.7.1 Terminology ....................................................................................................................................................11-26
11.7.2 ATA Modes ....................................................................................................................................................11-27
11.7.3 ATA Addressing .............................................................................................................................................11-27
11.7.31 ATA Register Addressing ........................................................................................................................11-28
11.7.3.2 Drive Interrupt ..........................................................................................................................................11-28
11.7.3.3 Sector Addressing .....................................................................................................................................11-28
11.7.3.4 Physical/Logical Addressing Modes ........................................................................................................11-29
11.7.4 ATA Transactions ...........................................................................................................................................11-30
11.7.4.1 PIO Mode Transactions ............................................................................................................................11-30
11.7.4.1.1 Class 1—PIO Read ............................................................................................................................11-30
11.7.4.1.2 Class 2—PIO Write ............................................................................................................................11-31
11.7.4.1.3 Class 3—Non-Data Command ...........................................................................................................11-32
11.7.4.2 DMA Protocol ..........................................................................................................................................11-32
11.7.4.3 Multiword DMA Transactions .................................................................................................................11-35
11.7.4.3.1 Class 4—DMA Command .................................................................................................................11-35
11.7.4.4 Ultra DMA Protocol .................................................................................................................................11-35
11.8 ATA RESET/Power-Up .......................................................................................................................................11-36
11.8.1 Hardware Reset ...............................................................................................................................................11-36
11.8.2 Software Reset ................................................................................................................................................11-36
11.9 ATA I/O Cable Specifications ..............................................................................................................................11-37
Chapter 12 Universal Serial Bus (USB)
12.1 Overview .................................................................................................................................................................12-1
12.2 Data Transfer Types ................................................................................................................................................12-1
12.3 Host Controller Interface .........................................................................................................................................12-2
12.3.1 Communication Channels .................................................................................................................................12-2
12.3.2 Data Structures ..................................................................................................................................................12-2
12.4 Host Control (HC) Operational Registers ...............................................................................................................12-5
12.4.1 Programming Note ............................................................................................................................................12-5
12.4.2 Control and Status Partition—MBAR + 0x1000 ..............................................................................................12-6
12.4.2.1 USB HC Revision Register—MBAR + 0x1000 ........................................................................................12-6
12.4.2.2 USB HC Control Register—MBAR + 0x1004 ..........................................................................................12-6
12.4.2.3 USB HC Command Status Register—MBAR + 0x1008 ...........................................................................12-8
12.4.2.4 USB HC Interrupt Status Register —MBAR + 0x100C ............................................................................12-9
12.4.2.5 USB HC Interrupt Enable Register—MBAR + 0x1010 .........................................................................12-10
12.4.2.6 USB HC Interrupt Disable Register—MBAR + 0x1014 .........................................................................12-11
12.4.3 Memory Pointer Partition—MBAR + 0x1018 ...............................................................................................12-12
12.4.3.1 USB HC HCCA Register—MBAR + 0x1018 .........................................................................................12-13