101-0360 Rabbit Semiconductor, 101-0360 Datasheet

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RabbitCore RCM2000 C-Programmable Module User’s Manual 019–0077 • 090417–K ...

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RabbitCore RCM2000 User’s Manual Part Number 019-0077 • 090417–K • Printed in U.S.A. ©2001–2009 Digi International Inc. • All rights reserved. No part of the contents of this manual may be reproduced or transmitted in any form or by any ...

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Chapter 1. Introduction 1.1 Features .................................................................................................................................................1 1.2 Advantages of Using the RCM2000 .....................................................................................................2 1.3 Development and Evaluation Tools......................................................................................................3 1.3.1 Development Kit ...........................................................................................................................3 1.3.2 Development Kit Contents............................................................................................................3 1.3.3 Development Software..................................................................................................................3 1.4 How to Use This Manual ......................................................................................................................4 1.4.1 Additional Product Information ...

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Other Hardware .................................................................................................................................. 32 4.5.1 Clock Doubler ............................................................................................................................ 32 4.5.2 Spectrum Spreader...................................................................................................................... 33 4.6 Memory .............................................................................................................................................. 34 4.6.1 SRAM......................................................................................................................................... 34 4.6.2 Flash EPROM............................................................................................................................. 34 4.6.3 Dynamic C BIOS Source Files................................................................................................... 34 Chapter 5. Software Reference 5.1 More About Dynamic ...

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The RabbitCore RCM2000 series is a family of microprocessor modules designed to be the heart of embedded control systems, providing an array of I/O and addressing. Throughout this manual, the term RCM2000 refers to the complete series of RCM2000 RabbitCore ...

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External reset input • Reset output • Five 8-bit timers, two 10-bit timers; five timers are cascadable in pairs • 256K flash EPROM, 512K SRAM • Real-time clock • Watchdog supervisor • Provision for customer-supplied backup battery via connections ...

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Development and Evaluation Tools 1.3.1 Development Kit A complete Development Kit, including a Prototyping Board and Dynamic C develop- ment software, is available for the RCM2000. The Development Kit puts together the essentials you need to design an embedded ...

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How to Use This Manual This user’s manual is intended to give users detailed information on the RCM2000 mod- ule. It does not contain detailed information on the Dynamic C development environment. 1.4.1 Additional Product Information In addition to ...

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This chapter describes the RCM2000 hardware in more detail, and explains how to set up the accompanying Prototyping Board. NOTE: This chapter (and this manual) assume that you have the RabbitCore RCM2000 Development Kit. If you purchased an RCM2000 module ...

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Connections 1. Attach RCM2000 to Prototyping Board Turn the RCM2000 so that the Rabbit 2000 microprocessor is facing as shown below. Plug RCM2000 headers J1 and J2 on the bottom side of the RCM2000 into the sockets of headers ...

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Connect RCM2000 to PC Connect the 10-pin connector of the programming cable labeled RCM2000 module as shown in Figure 2 below. Be sure to orient the red edge of the cable towards pin 1 of the connector. (Do not ...

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Power Supply Connections When all other connections have been made, you can connect power to the Prototyping Board. First, prepare the AC adapter for the country where it will be used by selecting the plug. The RCM2000 Development Kit ...

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Run a Sample Program Once the RCM2000 is connected as described in the preceding pages, start Dynamic C by double-clicking on the Dynamic C icon on your desktop or in your uses the serial port specified during installation. If ...

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Where From Here? If everything appears to be working, we recommend the following sequence of action: 1. Run all of the sample programs described in Chapter 3 to get a basic familiarity with Dynamic C and ...

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R To develop and debug programs for the RCM2000 (and for all other Rabbit hardware), you must install and use Dynamic C. Dynamic integrated development system for writing embedded software. It runs on an IBM-compatible PC ...

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Running Sample Program FLASHLED.C This sample program will be used to illustrate some of the functions of Dynamic C. First, open the file FLASHLED.C will appear in a window, as shown in Figure 3 below (minus some comments). Use ...

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A message reports “No Rabbit Processor Detected” in cases where the RCM2000 and the Prototyping Board are not connected together, the wall transformer is not con- nected not plugged in. (The red power LED lights whenever power ...

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You can set break points while the program is running by positioning the cursor to a state- ment and using the F2 key. If the execution thread hits the break point, a break point will take place.You can toggle the ...

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Setting break points. The F2 the cursor position if the program has already been compiled. You can set a break point if the program is paused at a break point. You can also set a break point in a ...

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DS2 0 #define DS3 1 // This cofunction flashes LED on for ontime, then off for offtime cofunc flashled[4](int led, int ontime, int offtime) { for(;;) { waitfor(DelayMs(ontime)); WrPortI(PADR,&PADRShadow,(1<<led)|PADR); waitfor(DelayMs(offtime); WrPortI(PADR,&PADRShadow,(1<<led)^0xff&PADR main { // Initialize ports WrPortI(SPCR,&SPCRShadow,0x84); ...

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Advantages of Cooperative Multitasking Cooperative multitasking, as implemented with language extensions, has the advantage of being intuitive. Unlike preemptive multitasking, variables can be shared between different tasks without having to take elaborate precautions. Sharing variables between tasks is the ...

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Getting to Know the RCM2000 The following sample programs can be found in the —demonstrates the setup and simple addressing to an external SRAM. • EXTSRAM.C This program first maps the external SRAM to the I/O Bank 0 register ...

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FLASHLEDS.C tions, and costatements to flash LEDs DS2 and DS3 on the Prototyping Board on and off. LEDs DS2 and DS3 are controlled by Parallel Port A bit 0 (PA0) ...

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LCD that uses the HD44780 con- • LCD_DEMO.C troller or an equivalent. Connect the LCD to the RCM2000 address and data lines on the Prototyping Board. D0—DB0 D1—DB1 D2—DB2 D3—DB3 D4—DB4 D5—DB5 D6—DB6 D7—DB7 ...

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Serial Communication The following sample programs can be found in the Two sample programs, CORE_FLOW- and CONTROL.C CORE_PARITY.C are available to illustrate RS-232 communication. To run these sample programs, you will have to add an RS-232 transceiver such as ...

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RabbitCore RCM2000 ...

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Chapter 4 describes the principal subsystems for the RCM2000. 4.1 RCM2000 Digital Inputs and Outputs Figure 4 shows the subsystems designed into the RCM2000. User’s Manual 4. H ARDWARE Figure 4. Rabbit Subsystems R EFERENCE 23 ...

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The RCM2000 has 40 parallel I/O lines grouped in five 8-bit ports available on headers J1 and J2. The 24 bidirectional I/O lines are located on pins PA0–PA7, PD0-PD7, and PE0- PE7. The pinouts for headers J1 and J2 are ...

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The ports on the Rabbit 2000 microprocessor used in the RCM2000 are configurable, and so the factory defaults can be reconfigured. Table 2 lists the Rabbit 2000 factory defaults and the alternate configurations. Table 2. RCM2000 Pinout Configurations Pin Pin ...

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Table 2. RCM2000 Pinout Configurations (continued) Pin Pin Name 1–13 A[12:0] Output 14 STAT Output (Status) 15 PC0 Output 16 PC1 Input 17 PC2 Output 18 PC3 Input 19 PC4 Output 20 PC5 Input 21 PC6 Output 22 PC7 Input ...

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As shown in Table 2, pins PA0–PA7 can be used to allow the Rabbit 2000 slave to another processor. PE0, PE1, PE4, and PE5 can be used as external interrupts INT0A, INT1A, INT0B, and INT1B. Pins PB0 ...

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Memory I/O Interface Thirteen of the Rabbit 2000 address lines (A0–A12) and all the data lines (D0–D7) are available as outputs on the RCM2000. I/0 write (/IOWR), I/0 read (/IORD), buffer enable (/BUFEN), and Watchdog Output (/WDO) are also ...

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Programming Port The RCM2000 has a 10-pin program header labeled J3. The programming port uses the Rabbit 2000’s Serial Port A for communication. Dynamic C uses the programming port to download and debug programs. The programming port is also ...

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Serial Programming Cable The programming cable is used to connect the RCM2000’s programming port serial COM port. The programming cable converts the RS-232 voltage levels used by the PC serial port to the TTL voltage levels ...

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Standalone Operation of the RCM2000 The RCM2000 must be programmed via the RCM2000 Prototyping Board or via a similar arrangement on a customer-supplied board. Once the RCM2000 has been programmed successfully, remove the programming cable from the programming connector ...

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Other Hardware 4.5.1 Clock Doubler The RCM2000 takes advantage of the Rabbit 2000 microprocessor’s internal clock dou- bler. A built-in clock doubler allows half-frequency crystals to be used to reduce radiated emissions. The 25.8 MHz (RCM 2000 and RCM2010) ...

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Spectrum Spreader RCM2000 RabbitCore modules that have a Rabbit 2000 microprocessor labeled IQ4T (or higher) are equipped with a Rabbit 2000 microprocessor that has a spectrum spreader, which helps to mitigate EMI problems. By default, the spectrum spreader is ...

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Memory 4.6.1 SRAM The RCM2000 is designed to accept 32K to 512K of SRAM packaged in an SOIC case. 4.6.2 Flash EPROM The RCM2000 is also designed to accept 128K to 512K of flash EPROM packaged in a TSOP ...

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Dynamic integrated development system for writing embedded software. It runs on an IBM-compatible PC and is designed for use with Rabbit single-board computers and other single-board computers based on the Rabbit microprocessor. Chapter 4 provides the libraries ...

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Using Dynamic C You have a choice of doing your software development in the flash memory or in the SRAM included on the RCM2000. The flash memory and SRAM options are selected with the Options > Project Options > ...

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Standard debugging features: Breakpoints—Set breakpoints that can disable interrupts. Single-stepping—Step into or over functions at a source or machine code level, µC/OS-II aware. Code disassembly—The disassembly window displays addresses, opcodes, mnemonics, and machine cycle times. Switch between debugging at ...

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I/O The RCM2000 was designed to interface with other systems, and so there are no drivers written specifically for this purpose. The general Dynamic C read and write functions allow you to customize the parallel I/O to meet your ...

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Serial Communication Drivers Library files included with Dynamic C provide a full range of serial communications sup- port. The library provides a set of circular-buffer-based serial functions. The RS232.LIB library provides packet-based serial functions where packets can be delim- ...

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Upgrading Dynamic C Dynamic C patches that focus on bug fixes are available from time to time. Check the Web site www.rabbit.com/support/ The default installation of a patch or bug fix is to install the file in a directory ...

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A Appendix A provides the specifications for the RCM2000, and describes the conformal coating. User’s Manual A. S PPENDIX PECIFICATIONS 41 ...

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A.1 Electrical and Mechanical Specifications Figure A-1 shows the mechanical dimensions for the RCM2000. Figure A-1. RCM2000 Dimensions NOTE: All measurements are in inches followed by millimeters enclosed in parentheses. All dimensions have a manufacturing tolerance of ±0.01" (0.25 mm). ...

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It is recommended that you allow for an “exclusion zone” of 0.04" (1 mm) around the RCM2000 in all directions when the RCM2000 is incorporated into an assembly that includes other printed circuit boards. An “exclusion zone” of 0.08" (2 ...

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Table A-1 lists the electrical, mechanical, and environmental specifications for the RCM2000. Table A-1. RCM2000 Specifications Parameter Microprocessor Flash EPROM SRAM Backup Battery 40 parallel I/0 lines grouped in five 8-bit ports (and shared with serial ports): General-Purpose I/O Additional ...

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A.1.1 Headers The RCM2000 uses headers at J1, J2, and J3 for physical connection to other boards. J1 and J2 are 2 × 20 SMT headers with pin spacing × 5 header with ...

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A.2 Bus Loading You must pay careful attention to bus loading when designing an interface to the RCM2000. section provides bus loading for external devices. Table A-2 lists the capacitance for the various RCM2000 I/O ports. Table A-2. Capacitance of ...

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The values from the table above are derived using 55 ns (25.8 MHz version) and 90 ns (18.4 MHz version) memory access times. External capacitive loading can be improved for commercial temperature ranges, but do not exceed ...

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A.3 Rabbit 2000 DC Characteristics Table A-4 outlines the DC characteristics for the Rabbit 2000 at 5.0 V over the recom- mended operating temperature range from T Table A-4. 5.0 Volt DC Characteristics Symbol Parameter I Input Leakage High IH ...

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A.4 I/O Buffer Sourcing and Sinking Limit Unless otherwise specified, the Rabbit I/O buffers are capable of sourcing and sinking current per pin at full AC switching speed. Full AC switching assumes a 25.8 MHz CPU clock ...

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A.5 Conformal Coating The area around the crystal oscillator has had the Dow Corning silicone-based 1-2620 conformal coating applied. The conformally coated area is shown in Figure A-5. The con- formal coating protects these high-impedance circuits from the effects of ...

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A.6 Jumper Configurations Figure A-6 shows the header locations used to configure the various RCM2000 options via jumpers. Figure A-6. Location of RCM2000 Configurable Positions Table A-6 lists the configuration options. Table A-6. RCM2000 Jumper Configurations Header Description JP1 SRAM ...

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RabbitCore RCM2000 ...

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A PPENDIX Appendix B describes the features and accessories of the Proto- typing Board, and explains the use of the Prototyping Board to demonstrate the RCM2000 and to build prototypes of your own circuits. User’s Manual B. P ROTOTYPING B ...

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B.1 Overview of the Prototyping Board The Prototyping Board included in the Development Kit makes it easy to connect an RCM2000 module to a power supply and a PC workstation for development. It also pro- vides an array of basic ...

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B.2 Mechanical Dimensions and Layout Figure B-2 shows the mechanical dimensions and layout for the RCM2000 Prototyping Board. Figure B-2. RCM2000 Prototyping Board Dimensions User’s Manual 55 ...

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Table B-1 lists the electrical, mechanical, and environmental specifications for the Proto- typing Board. Table B-1. Prototyping Board Specifications Parameter Board Size Operating Temperature Humidity Input Voltage Maximum Current Draw (including user-added circuits) Prototyping Area Standoffs/Spacers 56 Specification 4.00" × ...

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B.3 Power Supply The RCM2000 requires a regulated 5 V ± 0. power source to operate. Depending on the amount of current required by the application, different regulators can be used to supply this voltage. The Prototyping Board ...

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B.4 Using the Prototyping Board The Prototyping Board is actually both a demonstration board and a prototyping board demonstration board, it can be used to demonstrate the functionality of the RCM2000 right out of the box without any ...

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Table B-2. Prototyping Board Jumper Settings Pins 1–2 3–4 5–6 7–8 Note that the pinout at location JP1 on the bottom side of the Prototyping Board (shown in Figure B- mirror image of the top side pinout. The ...

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A pair of small holes capable of holding 30 AWG wire appears to the side of each hole pair at locations J2 and J4 for convenience of point-to-point wiring when headers are installed. The signals are those of the adjacent ...

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B.4.1 Adding Other Components There is room on the Prototyping Board for a user-supplied RS-232 transceiver chip at location U2 and a 10-pin header for serial interfacing to external devices at location J6. A Maxim MAX232 transceiver is recommended. When ...

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RabbitCore RCM2000 ...

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A PPENDIX Appendix C describes the RCM2000 power circuitry. C.1 Power Supplies The RCM2000 requires a regulated 5 V ± 0. power source. An RCM2000 with no loading at the outputs operating at 18.432 MHz typically draws 88 ...

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The drain on the battery by the RCM2000 is typically 10 µA when no other power is sup- plied 950 mA·h battery is used, the battery can last more than 6 years: 950 mA·h ----------------------- - 10 µA ...

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C.1.3 Power to VRAM Switch The VRAM switch, shown in Figure C-3, allows a customer-supplied external battery to provide power when the external power goes off. The switch provides an isolation between Vcc and the battery when Vcc goes low. ...

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C.2 Chip Select Circuit Figure C-4 shows a schematic of the chip select circuit. The current drain on the battery in a battery-backed circuit must be kept to a minimum. When the RCM2000 is not powered, the battery keeps the ...

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A PPENDIX Appendix D provides these sample circuits that incorporate the RCM2000. • RS-232/RS-485 Serial Communication • Keypad and LCD Connections • LCD Connections • External Memory • Simple D/A Converter User’s Manual AMPLE IRCUITS 67 ...

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D.1 RS-232/RS-485 Serial Communication Figure D-1. Sample RS-232 and RS-485 Circuits Sample Program: in PUTS SAMPLES\SERIAL RabbitCore RCM2000 ...

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D.2 Keypad and LCD Connections Figure D-2. Sample Keypad Connections Sample Program: KEYLCD.C Figure D-3. Sample LCD Connections Sample Program: KEYLCD.C User’s Manual SAMPLES\COREMODULE in . SAMPLES\COREMODULE 69 ...

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D.3 LCD Connections Figure D-4. Sample LCD Connections Sample Program: LCD_DEMO.C The shaded part of the circuit in Figure D-4 can be used to drive a second LCD, but addi- tional software not included SAMPLES\COREMODULE will ...

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D.4 External Memory The sample circuit can be used with an external 64 Kbit memory device. Larger SRAMs can be written to using this scheme by using other available Rabbit 2000 ports (parallel ports address lines. ...

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D.5 Simple D/A Converter The output will initially -10.05 V after the first inverting op-amp, and +10.05 V after the second inverting op-amp. All lows produce 0 V out, FF produces 10 V ...

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A additional information online documentation .......... 4 B battery backup reset generator ................... 65 battery life ............................. 64 bus loading ............................ 46 C clock doubler ........................ 32 conformal coating ................. 50 D Development Kit ..................... 3 RCM2000 ............................ 3 digital ...

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FLASHLED.C ................... 12 getting to know the RCM2000 EXTSRAM.C ................ 18 FLASHLED.C ............... 18 FLASHLED2.C ............. 18 FLASHLEDS.C ............. 19 FLASHLEDS2.C ........... 19 KEYLCD.C ................... 19 LCD_DEMO.C .............. 20 SWTEST.C .................... 20 TOGGLELED.C ............ 20 PONG.C ...

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RCM2000 Schematic www.rabbit.com/documentation/schemat/090-0097.pdf 090-0099 RCM2000 Prototyping Board Schematic www.rabbit.com/documentation/schemat/090-0099.pdf 090-0128 Programming Cable Schematic www.rabbit.com/documentation/schemat/090-0128.pdf You may use the URL information provided above to access the latest schematics directly. User’s Manual S CHEMATICS 75 ...

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