Arm Enterprises IM-AD1 manual Reference Design Example

Page 47

Chapter 4

Reference Design Example

This chapter describes how to set up and start using the supplied example design. It contains the following sections:

•About the design example on page 4-2

•Example APB register peripheral on page 4-8

•UART on page 4-13

•SPI chip select register on page 4-14

•Synchronous serial port on page 4-15

•PWM controller on page 4-16

•Stepper motor peripheral on page 4-17

•GPIO on page 4-21

•SSRAM interface on page 4-23

•Vectored interrupt controller on page 4-24

•CAN controller interface on page 4-26

•ADC and DAC interface on page 4-27

•Peripheral information block on page 4-28.

ARM DUI 0163B

Copyright © 2001-2003. All rights reserved.

4-1

Image 47

Contents Integrator/IM-AD1 User Guide Integrator/IM-AD1Conformance Notices Copyright 2001-2003. All rights reserved Chapter Introduction Integrator/IM-AD1 User GuideAppendix a Signal Descriptions Preface Intended audience Using this bookAbout this book ARM publications Typographical conventionsFurther reading Third-party documents Feedback on the Integrator/IM-AD1 FeedbackFeedback on this document Xii Introduction ARM DUI 0163B About the Integrator/IM-AD1Integrator/IM-AD1 layout Features Interface module features and architectureArchitecture Integrator/IM-AD1 block diagramLinks and LEDs Config LEDCare of modules Introduction Copyright 2001-2003. All rights reserved Getting Started Assembled Integrator development system Fitting the interface moduleSwitch 2 Closed Switch 3 Open Switch 4 Open Setting up the logic moduleRunning the test software Hardware Reference Hardware Reference Description Serial interface signal assignment Signal nameConnector Uart interfaceSerial connector signal assignment Pin J18 Type Description Serial connector pinoutSPI SPI signals SignalPWM interface PWM interface signals SignalPWM connector signals Pin J14 J10 Description Shows the signal assignmentFunctional description Stepper motor interfaceTherefore, with a 0.1Ω sense resistor fitted Stepper motor interface signal summaryStepper motor interface signals Stepper motor connectorsVSS Stepper motor connector signals Pin J19 J23 DescriptionGpio Gpio connectors J16 and J17Hardware Reference Buffer Can interfaceU13 Can interface signal assignment Signal IMBBANK30 IMBBANK28IMBBANK29 GND Can connector signal assignments Pin10 ADC and DAC interface architecture ADC and DAC interfacesIMABANK51 IMABANK48IMABANK49 IMABANK5011shows the pinout of the ADC interface connector J1 12 shows the pinout of the DAC interface connector J2 Hardware Reference Copyright 2001-2003. All rights reserved Reference Design Example Example architecture About the design exampleAbout PrimeCells File Description Vhdl file descriptionsExample memory map Integrator system memory map Address assignment of logic modulesIntegrator/IM-AD1 memory map Device Address Integrator/IM-AD1 memory mapLogic module addresses Position Bits Stack Ssram StepperbGpioa GpiobOffset address Name Type Function Example APB register peripheralLogic module registers Oscillator divisor registers VDW LMOSCx registers Bits Name Access FunctionRDW Push button interrupt register Bits Name Access FunctionOscillator lock register User LEDs control registerSwitches register Uart SPICS0 SPI chip select registerSPICS2 SPICS1Synchronous serial port PWM controller Count Offset Name Access Function AddressStepper motor peripheral ContStepper x control register DIR DocountSinglestep Stepx speed register Stepx count registerRead data input register Read data output pinsAddress offset Name Access Size Function Data output set registerGpio direction control 1 bit Data directionSsram interface CAN1 Vectored interrupt controllerInterrupt sources Interrupt Interrupt source Source numberReference Design Example CANxBase Can reset control registerCanreset Can controller interfaceADC2BUSY ADC and DAC interface16 ADC and DAC interface registers AdcstatusBits Name Function Peripheral information block18 PIB entry format Signal Descriptions Expa Pin label Signal Description Table A-1 AHB signal assignmentExpb Pin label Name Description Table A-2 Expb signal descriptionExpim LM-EP20K1000E Description Table A-3 Expim signal descriptionsLabel Figure A-4 J7 pin locations Logic analyzer connectorCLK1 Table A-4 J7 connector pinout Signal PinMulti-ICE Jtag Figure A-5 Multi-ICE connector pinoutMechanical Specification Mechanical information Figure B-1 Board dimensions top viewFigure B-2 Bottom board dimensions viewed from top side DB9STRAIGHT FCI Connector referenceDB9DUAL Multi-ICE GlossarySynchronous Serial Port Gpio IndexADC Can DACLmleds Lmlock LMOSC1 Expa A-2Gpiodataclr Gpiodatain Gpiodataout Gpiodataset Gpiodirn