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High-Performance Digital Signal Controllers

DsPIC30F. Family Reference Manual High-Performance Digital Signal Controllers 2006 Microchip Technology Inc. DS70046E. Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets.

DS70046E-page ii © 2006 Microchip Technology Inc. Information contained in this publication regarding device applications and the like is provi ded only for your ...

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Transcription of High-Performance Digital Signal Controllers

1 DsPIC30F. Family Reference Manual High-Performance Digital Signal Controllers 2006 Microchip Technology Inc. DS70046E. Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets.

2 Most likely, the person doing so is engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as unbreakable.. Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

3 Information contained in this publication regarding device Trademarks applications and the like is provided only for your convenience The Microchip name and logo, the Microchip logo, Accuron, and may be superseded by updates. It is your responsibility to dsPIC, KEELOQ, microID, MPLAB, PIC, PICmicro, PICSTART, ensure that your application meets with your specifications. PRO MATE, PowerSmart, rfPIC and SmartShunt are MICROCHIP MAKES NO REPRESENTATIONS OR WAR- registered trademarks of Microchip Technology Incorporated RANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, in the and other countries. WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT AmpLab, FilterLab, Migratable Memory, MXDEV, MXLAB, LIMITED TO ITS CONDITION, QUALITY, performance , SEEVAL, SmartSensor and The Embedded Control Solutions MERCHANTABILITY OR FITNESS FOR PURPOSE.

4 Company are registered trademarks of Microchip Technology Microchip disclaims all liability arising from this information and Incorporated in the its use. Use of Microchip devices in life support and/or safety Analog-for-the- Digital Age, Application Maestro, dsPICDEM, applications is entirely at the buyer's risk, and the buyer agrees , dsPICworks, ECAN, ECONOMONITOR, to defend, indemnify and hold harmless Microchip from any and FanSense, FlexROM, fuzzyLAB, In-Circuit Serial all damages, claims, suits, or expenses resulting from such Programming, ICSP, ICEPIC, Linear Active Thermistor, use. No licenses are conveyed, implicitly or otherwise, under MPASM, MPLIB, MPLINK, MPSIM, PICkit, PICDEM, any Microchip intellectual property rights.

5 , PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, Real ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and Zena are trademarks of Microchip Technology Incorporated in the and other countries. SQTP is a service mark of Microchip Technology Incorporated in the All other trademarks mentioned herein are property of their respective companies. 2006, Microchip Technology Incorporated, Printed in the , All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona and Mountain View, California in October 2003.

6 The Company's quality system processes and procedures are for its PICmicro 8-bit MCUs, KEELOQ code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001:2000 certified. DS70046E-page ii 2006 Microchip Technology Inc. M. Table of Contents PAGE. SECTION 1. INTRODUCTION 1-1. Introduction .. 1-2. Manual Objective .. 1-2. Device Structure .. 1-3. Development Support .. 1-4. Style and Symbol Conventions .. 1-4. Related Documents .. 1-6. Revision History .. 1-7. SECTION 2. CPU 2-1. Introduction .. 2-2. Programmer's Model.

7 2-4. Software Stack Pointer .. 2-8. CPU Register Descriptions .. 2-11. Arithmetic Logic Unit (ALU) .. 2-17. DSP Engine .. 2-18. Divide Support .. 2-27. Instruction Flow Types .. 2-27. Loop Constructs .. 2-30. Address Register Dependencies .. 2-35. Register Maps .. 2-38. Related Application Notes .. 2-40. Revision History .. 2-41. SECTION 3. DATA MEMORY 3-1. Introduction .. 3-2. Data Space Address Generator Units (AGUs) .. 3-5. Modulo Addressing .. 3-7. Bit-Reversed Addressing .. 3-14. Control Register Descriptions .. 3-18. Related Application Notes .. 3-23. Revision History .. 3-24. SECTION 4. PROGRAM MEMORY 4-1. Program Memory Address Map .. 4-2. Program Counter.

8 4-4. Data Access from Program Memory .. 4-4. Program Space Visibility from Data Space .. 4-8. Program Memory Writes .. 4-10. PSV Code Examples .. 4-11. Related Application Notes .. 4-12. Revision History .. 4-13. 2006 Microchip Technology Inc. 70046E-page iii M. Table of Contents PAGE. SECTION 5. FLASH AND EEPROM PROGRAMMING 5-1. Introduction .. 5-2. Table Instruction Operation .. 5-2. Control Registers .. 5-5. Run-Time Self-Programming (RTSP) .. 5-10. Data EEPROM Programming .. 5-15. Design Tips .. 5-21. Related Application Notes .. 5-22. Revision History .. 5-23. SECTION 6. RESET INTERRUPTS 6-1. Introduction .. 6-2. Non-Maskable Traps .. 6-6. Interrupt Processing Timing.

9 6-11. Interrupt Control and Status Registers .. 6-14. Interrupt Setup Procedures .. 6-42. Design Tips .. 6-44. Related Application Notes .. 6-45. Revision History .. 6-46. SECTION 7. OSCILLATOR 7-1. Introduction .. 7-2. Device Clocking and MIPS .. 7-5. Oscillator Configuration .. 7-6. Oscillator Control Registers OSCCON and OSCTUN .. 7-13. Primary Oscillator .. 7-20. Crystal Oscillators/Ceramic Resonators .. 7-22. Determining Best Values for Crystals, Clock Mode, C1, C2 and Rs .. 7-24. External Clock Input .. 7-25. External RC Oscillator .. 7-26. Phase Locked Loop (PLL) .. 7-30. Low-Power 32 kHz Crystal Oscillator .. 7-31. Oscillator Start-up Timer (OST).

10 7-31. Internal Fast RC Oscillator (FRC) .. 7-31. Internal Low-Power RC (LPRC) Oscillator .. 7-32. Fail-Safe Clock Monitor (FSCM) .. 7-32. Programmable Oscillator Postscaler .. 7-33. Clock Switching Operation .. 7-34. Design Tips .. 7-38. Related Application Notes .. 7-39. Revision History .. 7-40. 70046E-page iv 2006 Microchip Technology Inc. M. Table of Contents PAGE. SECTION 8. RESET 8-1. Introduction .. 8-2. Clock Source Selection at Reset .. 8-5. POR: Power-on Reset .. 8-5. External Reset (EXTR) .. 8-7. Software RESET Instruction (SWR) .. 8-7. Watchdog Time-out Reset (WDTR) .. 8-7. Brown-out Reset (BOR) .. 8-8. Using the RCON Status Bits .. 8-10. Device Reset Times.


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