Universal Serial Bus Controller User's Guide

Contents
Preface ....................................................................................................................................... 11
1 Introduction ....................................................................................................................... 14
1.1 Purpose of the Peripheral .............................................................................................. 14
1.2 Features .................................................................................................................. 14
1.3 Features Not Supported ................................................................................................ 14
1.4 Functional Block Diagram .............................................................................................. 15
1.5 Supported Use Case Examples ....................................................................................... 16
1.6 Industry Standard(s) Compliance Statement ........................................................................ 22
2 Peripheral Architecture ....................................................................................................... 23
2.1 Clock Control ............................................................................................................. 23
2.2 Signal Descriptions ...................................................................................................... 23
2.3 Indexed and Non-Indexed Registers .................................................................................. 23
2.4 USB PHY Initialization .................................................................................................. 24
2.5 Dynamic FIFO Sizing ................................................................................................... 24
3 USB Controller Host and Peripheral Modes Operation ............................................................ 24
3.1 USB Controller Peripheral Mode Operation .......................................................................... 26
3.2 USB Controller Host Mode Operation ................................................................................ 44
3.3 DMA Operation .......................................................................................................... 57
3.4 Interrupt Handling ........................................................................................................ 68
3.5 Test Modes ............................................................................................................... 70
3.6 Reset Considerations ................................................................................................... 74
3.7 Interrupt Support ......................................................................................................... 74
3.8 EDMA Event Support ................................................................................................... 74
3.9 Power Management ..................................................................................................... 74
4 Registers ........................................................................................................................... 75
4.1 Control Register (CTRLR) .............................................................................................. 82
4.2 Status Register (STATR) ............................................................................................... 83
4.3 RNDIS Register (RNDISR) ............................................................................................. 83
4.4 Auto Request Register (AUTOREQ) .................................................................................. 84
4.5 USB Interrupt Source Register (INTSRCR) .......................................................................... 85
4.6 USB Interrupt Source Set Register (INTSETR) ..................................................................... 86
4.7 USB Interrupt Source Clear Register (INTCLRR) ................................................................... 87
4.8 USB Interrupt Mask Register (INTMSKR) ............................................................................ 88
4.9 USB Interrupt Mask Set Register (INTMSKSETR) .................................................................. 89
4.10 USB Interrupt Mask Clear Register (INTMSKCLRR) ............................................................... 90
4.11 USB Interrupt Source Masked Register (INTMASKEDR) .......................................................... 91
4.12 USB End of Interrupt Register (EOIR) ................................................................................ 92
4.13 USB Interrupt Vector Register (INTVECTR) ......................................................................... 92
4.14 Transmit CPPI Control Register (TCPPICR) ......................................................................... 93
4.15 Transmit CPPI Teardown Register (TCPPITDR) .................................................................... 93
4.16 CPPI DMA End of Interrupt Register (CPPIEOIR) .................................................................. 94
SPRUGH3 – November 2008 Table of Contents 3
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