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Digi RCM4000 user manual Appendix C. Power Supply 109

Models: RCM4000

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B.4.4 Serial Communication		103
B.4.4.1 RS-232		104
B.5 Prototyping Board Jumper Configurations		105
Appendix C. Power Supply		109
C.1 Power Supplies		109
C.1.1	Battery-Backup Circuits	109
C.1.2	Reset Generator	110
Notice to Users		111
Index		113
Schematics		117

User’s Manual

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Digi RCM4000 user manual Appendix C. Power Supply 109

Contents

RabbitCore RCM4000 Rabbit Semiconductor TrademarksTable of Contents Software Reference Appendix C. Power Supply 109 RabbitCore RCM4100 Introduction Feature RCM4000 RCM4010 RCM4000 FeaturesRCM4000 Features Advantages of the RCM4000 1 RCM4000 Development Kit Development and Evaluation ToolsOnline Documentation SoftwareRabbitCore RCM4000 Getting Started Install Dynamic CPrepare the Prototyping Board for Development Hardware ConnectionsPrototyping Board Attach Module to Prototyping BoardConnect Programming Cable AC AdapterConnect Power Run a Sample Program TroubleshootingRun a Sample Program Technical Support Where Do I Go From Here?RabbitCore RCM4000 Introduction Running Sample ProgramsSample Programs User’s Manual Use of Nand Flash RCM4000 only Click OK or Close to exit the various dialog boxes Serial Communication User’s Manual Real-Time Clock 3 A/D Converter Inputs RCM4000 onlyRabbitCore Module Hardware ReferenceShows the RCM4000 pinouts for header J3 RCM4000 Digital Inputs and Outputs4000 Pin Pin Name Default Use Alternate Use RCM4000 Pinout ConfigurationsTXD PC0 PE1 Other Inputs and Outputs Memory I/O InterfaceSerial Ports Rabbit 4000 Serial Port and Clock PinsSerial Communication RJ-45 Ethernet Port Pinout Ethernet PortProgramming Port Programming Cable Changing Between Program Mode and Run ModeStandalone Operation of the RCM4000 Resistor Divider Network for Analog Inputs A/D Converter RCM4000 onlyIt is not referenced to Analog Supply Circuit 1 A/D Converter Power SupplySpectrum Spreader Other HardwareClock Doubler Sram MemoryFlash Eprom Nand FlashRabbitCore RCM4000 More About Dynamic C Software ReferenceRabbitCore RCM4000 Digital I/O Dynamic C Function CallsSerial Communication Drivers Sram UseRabbitCore RCM4000 Board Initialization Prototyping Board FunctionsAlerts Void timedAlertunsigned long timeoutAnalog Inputs RCM4000 only ADS7870 Signal ADS7870 State RCM3400 Function/StateOn write operations Data value on read operations Gain Code Multiplier Unsigned int anaInDriverunsigned int cmd, unsigned int lenAnaInConfig, anaIn, brdInit Gain Code Multiplier Voltage Range Single Diff×10 ×16 ×20 126 Applies to Prototyping Board If successful If not able to make calibration constants Channel Code Single-Ended Voltage Range † Input Lines Float anaInVoltsunsigned int channel, unsigned int gaincodeFloat anaInDiffunsigned int channel, unsigned int gaincode Channel Code 20 mA Input Lines Float anaInmAmpsunsigned int channelAllchan Gain Code Voltage Range +AIN7 AIN6 Gain Code Voltage Range Add-On Modules Upgrading Dynamic CRabbitCore RCM4000 TCP/IP Connections Using the TCP/IP FeaturesRabbitCore RCM4000 TCP/IP Primer on IP Addresses Typical Corporate Network IP Addresses Explained How IP Addresses are Used Dynamically Assigned Internet Addresses Placing Your Device on the Network Direct Connection Direct Connection Using a HubRunning TCP/IP Sample Programs How to Set IP Addresses in the Sample Programs Direct Connection PC to RCM4000 Module How to Set Up your Computer for Direct ConnectRunning Additional Sample Programs With Direct Connect Run the PINGME.C Sample ProgramWhere Do I Go From Here? RabbitCore RCM4000 Appendix A. RCM4000 Specifications Dia × Electrical and Mechanical CharacteristicsExclusion Zone Parameter RCM4000 RCM4010 Table A-1. RCM4000 SpecificationsTen 8-bit timers 6 cascadable from the first Parameter Test Conditions Table A-2 Converter Specifications1 A/D Converter Figure A-3. User Board Footprint for RCM4000 HeadersTable A-4 .3 Volt DC Characteristics Rabbit 4000 DC CharacteristicsSymbol Parameter Maximum Rating Symbol Parameter Min Typ MaxBus Loading I/O Buffer Sourcing and Sinking LimitTable A-5. Capacitance of Rabbit 4000 I/O Ports Table A-6. External Capacitive Bus Loading -40C to +85CIord Output Delay Table A-8. Preliminary Data and Clock Delays30 pF 60 pF 90 pF Ns setting No dbl / dbl Clock to Address Worst-CaseConformally coated Area Conformal CoatingHeader Description Pins Connected Factory Default Jumper ConfigurationsTable A-9. RCM4000 Jumper Configurations RabbitCore RCM4000 Appendix B. Prototyping Board Current Measurement Headers RCM4000 Prototyping Board Features RabbitCore RCM4000 935 Mechanical Dimensions and LayoutParameter Specification Power SupplyTable B-1. Prototyping Board Specifications Signals Using the Prototyping BoardPin Pin Name Prototyping Board Use Measuring Current Draw Adding Other Components3.1 A/D Converter Inputs Analog Features RCM4000 onlyTable B-3. Positive A/D Converter Input Voltage Ranges Table B-4. Differential Voltage Ranges 3.3 A/D Converter Calibration Mode Read CalibrateThermistor Input Serial Port Header Default Use Alternate Use Table B-5. Prototyping Board Serial Port Configurations4.1 RS-232 Table B-6. RCM3400 Prototyping Board Jumper Configurations Prototyping Board Jumper ConfigurationsJP5 LN4IN-LN6IN 108 Battery-Backup Circuits Appendix C. Power SupplyPower Supplies 165 mA·h = 2.5 years Reset GeneratorUser’s Manual 111 112 SMODE0 SMODE1 IndexADCALALL.C User’s Manual 115 116 Schematics