Cypress Semiconductor CY8C24894 Manual do Utilizador descarregar pdf (Página 3)

CY3240-I2USB I2C-USB Bridge Guide, Doc. # 001-66660 Rev.** 3

Contents

1. Introduction 5

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

1.2 Bridge Control Panel Software ....................................................................................5

1.3 Additional Learning Resources....................................................................................6

1.4 Document History ........................................................................................................6

1.5 Documentation Conventions .......................................................................................6

2. Getting Started 7

2.1 CD Installation .............................................................................................................7

2.2 PSoC Designer ..........................................................................................................10

2.3 PSoC Programmer ....................................................................................................12

2.4 Bridge Control Panel..................................................................................................12

2.5 Install Hardware.........................................................................................................13

3. Kit Operation 15

3.1 Introduction ................................................................................................................15

3.2 Connect Bridge to Device ..........................................................................................16

3.2.1 Program I2C-USB Bridge...............................................................................16

3.3 Connect Demonstration Board to Bridge...................................................................17

3.3.1 Run Demonstration Board Test......................................................................17

4. Hardware 23

4.1 System Block Diagram ..............................................................................................23

4.2 Functional Description ...............................................................................................24

4.2.1 PSoC CY8C24849 Chipset............................................................................25

4.2.2 USB Mini B Connector ...................................................................................25

4.2.3 ISSP Programming Header............................................................................26

4.2.4 GPIO Pins ......................................................................................................27

4.2.5 I2C Slave Interface Connector.......................................................................28

4.2.6 Demo Target Board........................................................................................29

5. Example Projects 31

5.1 Example Project 1: I2C-USB Demo Target Board Project.........................................31

5.1.1 Project Description.........................................................................................31

5.1.2 Hardware Connections...................................................................................32

5.1.3 I2C-USB Demo Target Board Flowchart ........................................................33

5.1.4 Verify Output ..................................................................................................34

5.2 Example Project 2: I2C-USB Bridge Board Project ...................................................34

5.2.1 Project Description.........................................................................................34

5.2.2 Hardware Connections...................................................................................35

5.2.3 I2C-USB Bridge Flowchart.............................................................................36

5.2.4 Verify Output ..................................................................................................38

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Cypress Semiconductor CY8C24894 Manual do Utilizador Página 3