Digi BL1800 user manual Development and Evaluation Tools, Jackrabbit Features

Page 6

Three Jackrabbit models are available. Their standard features are summarized in Table 1.

		Table 1. Jackrabbit Features

	Model	Features

	BL1800	Full-featured controller with switching voltage regulator.

		BL1800 with 14.74 MHz clock, 128K flash EPROM, linear
	BL1810	voltage regulator, sinking outputs sink up to 200 mA,
	BL1810	sourcing output sources up to 100 mA, RS-232 serial ports
		sourcing output sources up to 100 mA, RS-232 serial ports
		rated for 1 kV ESD

	BL1820	BL1810 with 3 additional digital I/O, no RS-485, no
	BL1820	backup battery.
		backup battery.

Throughout this manual, the term Jackrabbit refers to all three Jackrabbit models in Table 1; individual models are referred to specifically according to the model number in Table 1.

Appendix A provides detailed specifications.

Visit the Web site for up-to-date information about additional add-ons and features as they become available. The Web site also has the latest revision of this user’s manual.

1.2 Development and Evaluation Tools

A complete Development Kit, including a Prototyping Board and Dynamic C develop- ment software, is available for the Jackrabbit. The Development Kit puts together the essentials you need to design an embedded microprocessor-based system rapidly and effi- ciently.

2	Jackrabbit (BL1800)

Image 6

Contents Jackrabbit BL1800 Programmable Single-Board ComputerTrademarks Digi International IncTable of Contents Index Schematics Features IntroductionJackrabbit Features Development and Evaluation ToolsHow to Use This Manual Additional Product InformationOnline Documentation CE Compliance ImmunityEmissions Safety Design Guidelines GeneralInterfacing the Jackrabbit to Other Devices Jackrabbit BL1800 Development Kit Contents Getting StartedDevelopment Hardware Connections Board Attach Jackrabbit to Prototyping BoardConnect Programming Cable Assemble AC AdapterConnect Power Installing Dynamic C Troubleshooting Run a Sample ProgramWhere Do I Go From Here? Real-Time ClockTechnical Support Subsystems BL1800Jackrabbit Pinouts HeadersDigital Inputs/Outputs Digital InputsDigital Outputs HV3 Sourcing OutputConfigurable High-Current Output Bidirectional I/O Changing HV3 to a Sinking OutputSchematic Diagram of A/D Converter A/D ConverterJackrabbit BL1800 Schematic Diagram of D/A Converters D/A ConvertersV ⋅ 1 e RC 1 DA1Typical DA1 Voltages for Various Duty Cycles 2 DA0 Typical DA0 Voltages for Various Duty CyclesUser’s Manual Serial Communication 1 RS-2322 RS-485 Ground recommended Programming Port 485 R16User’s Manual Changing Between Program Mode and Run Mode Programming CableMemory SramFlash Eprom Other Hardware External InterruptsClock Doubler Spectrum Spreader Jackrabbit BL1800 Software Reference An Overview of Dynamic CJackrabbit BL1800 Sample Programs Jackrabbit Sample ProgramsDEMOJR1.C Sample Program DEMOJR1.CSingle-Stepping Watch Expression Break PointSummary of Features Editing the ProgramWatching Variables Dynamically User’s Manual Other Sample Programs Illustrating Digital I/O R/W pin and DB0-DB3 on 3 RS-232 Serial Communication Sample Programs 4 RS-485 Serial Communication Sample Program Cooperative Multitasking Int vswitch Advantages of Cooperative Multitasking Jackrabbit Function Calls 1 I/O DriversVoid digOutint channel, int value Void anaOutint channel, int value Void anaInint channel, int *value Serial Communication Drivers Upgrading Dynamic C Patches and Bug FixesAdd-On Modules Appendix A. Specifications Electrical and Mechanical Specifications Figure A-1shows the mechanical dimensions for the JackrabbitTable A-1. Jackrabbit Board Specifications Exclusion Zone Exclusion ZonesFigure A-3. User Board Footprint for Jackrabbit Jumper Configurations Figure A-4. Location of Jackrabbit Configurable PositionsTable A-2. Jackrabbit Jumper Configurations Conformal Coating Conformally coated areaUse of Rabbit 2000 Parallel Ports JackrabbitTable A-3. Jackrabbit Pinout Configurations PD0 PD1 Jackrabbit BL1800 Appendix B. Prototyping Board Jackrabbit Connectors User LEDs Buzzer Prototyping Board OverviewPrototyping Board Features Mechanical Dimensions and Layout Top SideUsing the Prototyping Board Top SideDemonstration Board RelayExisting Prototyping Board Top SidePE0 VCC HV0 SM1 SM0 HV2 Stat Jackrabbit BL1800 Appendix C. Power Management Power SuppliesDcin Current mA Batteries and External Battery Connections 950 mA·h = 5.4 years 20 µABattery Backup Circuit Figure C-5shows the Jackrabbit battery backup circuitryPower to Vram Switch Reset GeneratorFigure C-7shows a schematic of the chip select circuit Chip Select CircuitJackrabbit BL1800 Index SMODE0 SMODE1RABDB01.C RABDB02.C Schematics