Cypress Semiconductor CY8C24894 Manual de usuario descargar pdf (Pagina 3)

CY3240 USB-I2C Bridge Guide, Doc. # 001-66660 Rev.*B 3

Contents

1. Introduction 5

1.1 Kit Contents .................................................................................................................5

1.1.1 Prerequisites ....................................................................................................5

1.2 Additional Learning Resources....................................................................................6

1.3 Document History ........................................................................................................6

1.4 Documentation Conventions .......................................................................................6

2. Getting Started 9

2.1 Kit Installation ..............................................................................................................9

2.2 PSoC Designer ..........................................................................................................13

2.3 PSoC Programmer ....................................................................................................14

2.4 Bridge Control Panel..................................................................................................15

3. Kit Operation 17

3.1 Introduction ................................................................................................................17

3.2 Connect Bridge to Device ..........................................................................................17

3.2.1 Program USB-I2C Bridge...............................................................................18

3.3 Connect Demonstration Board to Bridge...................................................................19

3.3.1 Run Demonstration Board Test......................................................................19

4. Hardware 25

4.1 System Block Diagram ..............................................................................................25

4.2 Functional Description ...............................................................................................26

4.2.1 PSoC CY8C24894 Chip.................................................................................27

4.2.2 USB Mini B Connector ...................................................................................28

4.2.3 ISSP Programming Header............................................................................28

4.2.4 GPIO Pins ......................................................................................................29

4.2.5 I2C Slave Interface Connector.......................................................................30

4.2.6 Demo Board...................................................................................................31

5. Code Examples 33

5.1 My First Code Example .............................................................................................33

5.1.1 Project Objective............................................................................................33

5.1.2 USB-I2C Demo Board Flowchart ...................................................................34

5.1.3 Creating My First PSoC 1 Project ..................................................................35

5.1.4 Verify Output ..................................................................................................51

5.2 USBtoIIC Code Example ...........................................................................................53

5.2.1 Project Description.........................................................................................53

5.2.2 PSoC Designer Interconnected View.............................................................54

5.2.3 USBtoIIC Flowchart........................................................................................55

5.2.4 Verify Output ..................................................................................................57

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Cypress Semiconductor CY8C24894 Manual de usuario Pagina 3