Cypress EX-USB FX3 - Default Chapter; Table of Contents

FX3 Programmers Manual, Doc. # 001-64707 Rev. *C 3
Contents
1. Introduction 9
1.1 Chapter Overview ......................................................................................................10
1.2 Document Revision History ......................................................................................10
1.3 Documentation Conventions .....................................................................................11
2. Introduction to USB 13
2.1 USB 2.0 System Basics.............................................................................................13
2.1.1 Host, Devices, and Hubs................................................................................13
2.1.2 Signaling Rates ..............................................................................................13
2.1.3 Layers of Communication Flow......................................................................13
2.1.4 Device Detection and Enumeration................................................................17
2.1.5 Power Distribution and Management .............................................................18
2.1.6 Device Classes ..............................................................................................18
2.2 USB 3.0: Differences and Enhancements over USB 2.0...........................................18
2.2.1 USB 3.0 Motivation ........................................................................................18
2.2.2 Protocol Layer ................................................................................................19
2.2.3 Link Layer.......................................................................................................21
2.2.4 Physical Layer................................................................................................21
2.2.5 Power Management .......................................................................................22
2.3 Reference Documents ...............................................................................................22
3. FX3 Overview 23
3.1 CPU ...........................................................................................................................23
3.2 Interconnect Fabric ....................................................................................................24
3.3 Memory......................................................................................................................25
3.4 Interrupts....................................................................................................................26
3.5 JTAG Debugger Interface..........................................................................................27
3.6 Peripherals.................................................................................................................28
3.6.1 I2S..................................................................................................................28
3.6.2 I2C..................................................................................................................30
3.6.3 UART .............................................................................................................31
3.6.4 SPI .................................................................................................................32
3.6.5 GPIO/Pins ......................................................................................................33
3.6.6 GPIF...............................................................................................................38
3.7 DMA Mechanism .......................................................................................................39
3.8 Memory Map and Registers.......................................................................................42
3.9 Reset, Booting, and Renum.......................................................................................43
3.10 Clocking .....................................................................................................................44
3.11 Power.........................................................................................................................46
3.11.1 Power Domains..............................................................................................46
3.11.2 Power Management .......................................................................................46