Motorola USB08 Bedienungsanleitung

DRM002/D

08M

8M68HC08

HC08M68H

USB08 Universal Serial Bus

Evaluation Board

Using the MC68HC908JB8

Designer Reference Manual

blank

USB08 Evaluation Board Designer Reference Manual

MOTOROLA 3

USB08 Universal Serial Bus

Evaluation Board

Using the MC68HC908JB8

By: Dipl.-Ing. Oliver Thamm

MCT Elektronikladen GbR

Hohe Str. 9-13

04107 Leipzig

Germany

Telephone: +49 (0)341 2118354

Fax: +49 (0)341 2118355

Email: mct@elektronikladen.de

Web:http://www.elektronikladen.de/mct

Motorola and are registered trademarks of Motorola, Inc.

DigitalDNA is a trademark of Motorola, Inc. © Motorola, Inc., 2001

Designer Reference Manual USB08 Evaluation Board

4MOTOROLA

Designer Reference Manual

Motorola reserves the right to make changes without further notice to any products

herein. Motorola makes no warranty, representation or guarantee regarding the

suitability of its products for any particular purpose, nor does Motorola assume any

liability arising out of the application or use of any product or circuit, and specifically

disclaims any and all liability, including without limitation consequential or incidental

damages. "Typical" parameters which may be provided in Motorola data sheets and/or

specifications can and do vary in different applications and actual performance may

vary over time. All operating parameters, including "Typicals" must be validated for

each customer application by customer’s technical experts. Motorola does not convey

any license under its patent rights nor the rights of others. Motorola products are not

designed, intended, or authorized for use as components in systems intended for

surgical implant into the body, or other applications intended to support or sustain life,

or for any other application in which the failure of the Motorola product could create a

situation where personal injury or death may occur. Should Buyer purchase or use

Motorola products for any such unintended or unauthorized application, Buyer shall

indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and

distributors harmless against all claims, costs, damages, and expenses, and

reasonable attorney fees arising out of, directly or indirectly, any claim of personal

injury or death associated with such unintended or unauthorized use, even if such claim

alleges that Motorola was negligent regarding the design or manufacture of the part.

Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.

USB08 Evaluation Board Designer Reference Manual

MOTOROLA List of Sections 5

Designer Reference Manual — USB08 Evaluation Board

List of Sections

Section 1. USB08 Quick Start . . . . . . . . . . . . . . . . . . . . .17

Section 2. Hardware Description. . . . . . . . . . . . . . . . . . .27

Section 3. Software Module Descriptions. . . . . . . . . . . .43

Section 4. Universal Serial Bus (USB) Interface . . . . . .59

Appendix A. Supported Standard

Device Requests . . . . . . . . . . . . . . . . . . . . .81

Appendix B. USB08 Descriptors . . . . . . . . . . . . . . . . . . .83

Appendix C. Source Code Files. . . . . . . . . . . . . . . . . . . .89

Appendix D. Bill of Materials and Schematic . . . . . . . .127

Appendix E. Universal USB Device

Driver (USBIO). . . . . . . . . . . . . . . . . . . . . .131

Designer Reference Manual USB08 Evaluation Board

6 List of Sections MOTOROLA

List of Sections

USB08 Evaluation Board Designer Reference Manual

MOTOROLA Table of Contents 7

Designer Reference Manual —USB08 Evaluation Board

Table of Contents

Section 1. USB08 Quick Start

1.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

1.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

1.3 Required System Configuration . . . . . . . . . . . . . . . . . . . . . . . .17

1.4 Connecting the Demo Board to the PC . . . . . . . . . . . . . . . . . .18

1.5 Driver Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

1.6 Starting the Windows Demo Application. . . . . . . . . . . . . . . . . .24

Section 2. Hardware Description

2.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

2.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

2.3 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

2.3.1 MC68HC908JB8 Microcontroller . . . . . . . . . . . . . . . . . . . . .28

2.3.2 USB08 Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . .29

2.4 Circuit Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

2.4.1 MCU Core Circuit and USB Interface. . . . . . . . . . . . . . . . . .31

2.4.2 Input/Output Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

2.4.3 Monitor Mode Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

2.4.4 User RS232 Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

2.4.5 Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

2.5 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

2.6 Jumpers and Bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Designer Reference Manual USB08 Evaluation Board

8 Table of Contents MOTOROLA

Table of Contents

2.7 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

2.7.1 Expansion Connector X1 . . . . . . . . . . . . . . . . . . . . . . . . . . .40

2.7.2 Monitor Mode Connector X2 . . . . . . . . . . . . . . . . . . . . . . . .40

2.7.3 User RS232 Connector X3. . . . . . . . . . . . . . . . . . . . . . . . . .41

2.8 Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Section 3. Software Module Descriptions

3.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

3.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

3.3 General Structure of the M68HC08 Firmware . . . . . . . . . . . . .44

3.4 How to Build the Compiler Project . . . . . . . . . . . . . . . . . . . . . .45

3.5 Main Module U08MAIN.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

3.6 Interrupt and Reset Vector Module VECJB8.C. . . . . . . . . . . . .49

3.7 C Startup Module CRTSJB8.S . . . . . . . . . . . . . . . . . . . . . . . . .50

3.8 Push Button Module U08KEY.C. . . . . . . . . . . . . . . . . . . . . . . .50

3.9 LED Control with U08LED.H. . . . . . . . . . . . . . . . . . . . . . . . . . .52

3.10 Software ADC Module U08ADC.C . . . . . . . . . . . . . . . . . . . . . .52

3.11 RS232 Communication Module U08232.C. . . . . . . . . . . . . . . .54

3.12 USB Communication Module U08USB.C. . . . . . . . . . . . . . . . .56

3.13 Compiler Specific Adjustments. . . . . . . . . . . . . . . . . . . . . . . . .57

Section 4. Universal Serial Bus (USB) Interface

4.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

4.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

4.3 Characteristics of the USB08 Reference Design . . . . . . . . . . .60

4.4 USB Basics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Table of Contents

USB08 Evaluation Board Designer ReferenceManual

MOTOROLA Table of Contents 9

4.5 USB Implementation in the Reference Design. . . . . . . . . . . . .65

4.5.1 Activation of the USB Module. . . . . . . . . . . . . . . . . . . . . . . .65

4.5.2 Endpoint Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

4.5.3 USB Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

4.6 Device Management with Endpoint 0. . . . . . . . . . . . . . . . . . . .69

4.6.1 Enumeration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

4.6.2 Assignment of the Device Address . . . . . . . . . . . . . . . . . . .69

4.6.3 Requesting Descriptors . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

4.6.4 Device Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

4.6.5 STALL Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

4.7 Data Communication via Endpoints EP1 and EP2. . . . . . . . . .75

4.7.1 Receiving Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

4.7.2 Transmission of Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

4.8 Host Interaction: Vendor ID and Product ID . . . . . . . . . . . . . . .78

4.9 Windows Device Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

Appendix A. Supported Standard Device Requests

Supported Standard Device Requests. . . . . . . . . . . . . . . . . . .81

Appendix B. USB08 Descriptors

B.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

B.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

B.3 Device Descriptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

B.4 Configuration Descriptor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

B.5 Interface Descriptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

B.6 Endpoint 1 Descriptor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

B.7 Endpoint 2 Descriptor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85

B.8 String Descriptors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

Designer Reference Manual USB08 Evaluation Board

10 Table of Contents MOTOROLA

Table of Contents

Appendix C. Source Code Files

C.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

HC908JB8.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90

U08USB.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

U08232.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

U08LED.H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96

U08MAIN.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

U08DESC.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

U08USB.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

U08232.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

U08KEY.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116

U08ADC.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117

VECJB8.C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119

CRTSJB8.S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

USB08.LKF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

BUILD.BAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121

USB08.MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122

USB08.S19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125

Appendix D. Bill of Materials and Schematic

Bill of Materials and Schematic. . . . . . . . . . . . . . . . . . . . . . . .127

Appendix E. Universal USB Device Driver (USBIO)

E.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132

E.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135

E.3 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135

E.3.1 Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136

E.3.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136

E.4 Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138

E.4.1 USBIO Object Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

E.4.1.1 USBIO Device Objects. . . . . . . . . . . . . . . . . . . . . . . . . .140

E.4.1.2 USBIO Pipe Objects . . . . . . . . . . . . . . . . . . . . . . . . . . .142

E.4.2 Establishing a Connection to the Device . . . . . . . . . . . . . .144

E.4.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146

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