EZ-USB データシートの表示（PDF） - Cypress Semiconductor

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EZ-USB

The EZ-USB™ Integrated Circuit

Cypress Semiconductor 

EZ-USB

Technical Reference Manual

Table of Contents

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i

Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi

1 Introducing EZ-USB ......................................................................1-1

1.1 Introduction ............................................................................................. 1-1

1.2 EZ-USB Block Diagrams ....................................................................... 1-2

1.3 The USB Specification ........................................................................... 1-3

1.4 Tokens and PIDs ..................................................................................... 1-4

1.5 Host is Master ......................................................................................... 1-5

1.5.1 Receiving Data from the Host .................................................. 1-6

1.5.2 Sending Data to the Host ......................................................... 1-6

1.6 USB Direction ......................................................................................... 1-6

1.7 Frame ...................................................................................................... 1-6

1.7.1 Bulk Transfers .......................................................................... 1-7

1.7.2 Interrupt Transfers ................................................................... 1-7

1.8 EZ-USB Transfer Types ......................................................................... 1-7

1.8.1 Isochronous Transfers ............................................................. 1-8

1.8.2 Control Transfers ..................................................................... 1-8

1.9 Enumeration ............................................................................................ 1-9

1.10 The USB Core ....................................................................................... 1-10

1.11 EZ-USB Microprocessor ...................................................................... 1-11

1.12 ReNumeration‘ ...................................................................................... 1-12

1.13 EZ-USB Endpoints ............................................................................... 1-12

1.13.1 EZ-USB Bulk Endpoints ......................................................... 1-13

1.13.2 EZ-USB Control Endpoint Zero ............................................ 1-13

1.13.3 EZ-USB Interrupt Endpoints ................................................. 1-14

1.13.4 EZ-USB Isochronous Endpoints ............................................ 1-14

1.14 Fast Transfer Modes ............................................................................. 1-14

1.15 Interrupts ............................................................................................... 1-15

EZ-USB TRM v1.9

Table of Contents

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