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© 2009 Microchip Technology Inc. DS70197B-page 1-1
Introduction
1
Section 1. Introduction
HIGHLIGHTS
This section of the manual contains the following topics:
1.1 Introduction .................................................................................................................... 1-2
1.2 Device Structure.............................................................................................................1-3
1.3 Development Support .................................................................................................... 1-4
1.4 Style and Symbol Conventions ...................................................................................... 1-5
1.5 Related Documents ....................................................................................................... 1-6
1.6 Revision History .............................................................................................................1-7

dsPIC33F Family Reference Manual
DS70197B-page 1-2 © 2009 Microchip Technology Inc.
1.1 INTRODUCTION
Microchip is a leading provider of microcontrollers (MCUs) and analog semiconductors. The
company’s focus is on products that meet the needs of the embedded control market. Microchip
is a leading supplier of the following products:
• 8-bit general purpose microcontrollers (PIC
®
MCUs)
• 16-bit and 32-bit microcontrollers
• 16-bit dsPIC
®
digital signal controllers (DSCs)
• Speciality and standard non-volatile memory devices
• Security devices (K
EELOQ
®
)
• Application-specific standard products
Please request a Microchip Product Line Card for a listing of the products that we have to offer.
This literature can be obtained from your local sales office or downloaded from the Microchip web
site (www.microchip.com).
Part 1 of this manual describes the following dsPIC33F 16-bit devices:
This manual explains the operation of the dsPIC33F family architecture and peripheral modules,
but does not cover the specifics of each device. Refer to the data sheet for device specific
information. The information that can be found in the data sheet includes the following:
• Device memory map
• Device pinout and packaging details
• Device electrical specifications
• List of peripherals included on the device
Code examples are provided throughout this manual. These examples are for reference
purposes only and may need to be modified to suit a specific processor or MPLAB
®
tools version.
• dsPIC33FJ64GP206 • dsPIC33FJ64GP206A
• dsPIC33FJ64GP306 • dsPIC33FJ64GP306A
• dsPIC33FJ64GP310 • dsPIC33FJ64GP310A
• dsPIC33FJ64GP706 • dsPIC33FJ64GP706A
• dsPIC33FJ64GP708 • dsPIC33FJ64GP708A
• dsPIC33FJ64GP710 • dsPIC33FJ64GP710A
• dsPIC33FJ64MC506 • dsPIC33FJ64MC506A
• dsPIC33FJ64MC508 • dsPIC33FJ64MC508A
• dsPIC33FJ64MC510 • dsPIC33FJ64MC510A
• dsPIC33FJ64MC706 • dsPIC33FJ64MC706A
• dsPIC33FJ64MC710 • dsPIC33FJ64MC710A
• dsPIC33FJ128GP206 • dsPIC33FJ128GP206A
• dsPIC33FJ128GP306 • dsPIC33FJ128GP306A
• dsPIC33FJ128GP310 • dsPIC33FJ128GP310A
• dsPIC33FJ128GP706 • dsPIC33FJ128GP706A
• dsPIC33FJ128GP708 • dsPIC33FJ128GP708A
• dsPIC33FJ128GP710 • dsPIC33FJ128GP710A
• dsPIC33FJ128MC506 • dsPIC33FJ128MC506A
• dsPIC33FJ128MC510 • dsPIC33FJ128MC510A
• dsPIC33FJ128MC706 • dsPIC33FJ128MC706A
• dsPIC33FJ128MC708 • dsPIC33FJ128MC708A
• dsPIC33FJ128MC710 • dsPIC33FJ128MC710A
• dsPIC33FJ256GP506 • dsPIC33FJ256GP506A
• dsPIC33FJ256GP510 • dsPIC33FJ256GP510A
• dsPIC33FJ256GP710 • dsPIC33FJ256GP710A
• dsPIC33FJ256MC510 • dsPIC33FJ256MC510A
• dsPIC33FJ256MC710 • dsPIC33FJ256MC710A

© 2009 Microchip Technology Inc. DS70197B-page 1-3
Section 1. Introduction
Introduction
1
1.2 DEVICE STRUCTURE
Each part of the dsPIC DSC can be placed into one of the following groups:
•CPU Core
• System Integration
• Peripherals
1.2.1 CPU Core
The CPU core pertains to the basic features required to make the device operate. The following
sections of Part 1 of the manual relate to the CPU core:
• Section 2. “CPU”
• Section 3. “Data Memory”
• Section 4. “Program Memory”
• Section 6. “Interrupts”
1.2.2 System Integration
System integration functions help to accomplish the following:
• Decrease system cost
• Increase system reliability
• Increase design flexibility
The following sections of Part 1 of the manual discuss dsPIC33F system integration functions:
• Section 5. “Flash Programming”
• Section 7. “Oscillator”
• Section 8. “Reset”
• Section 9. “Watchdog Timer and Power-Saving Modes”
• Section 23. “CodeGuard
TM
Security”
• Section 24. “Programming and Diagnostics”
• Section 25. “Device Configuration”
1.2.3 Peripherals
The dsPIC DSC has many peripherals that allow it to be interfaced to external circuitry.
Peripherals are discussed in the following sections of the manual:
• Section 10. “I/O Ports”
• Section 11. “Timers”
• Section 12. “Input Capture”
• Section 13. “Output Compare”
• Section 14. “Motor Control PWM”
• Section 15. “Quadrature Encoder Interface (QEI)”
• Section 16. “Analog-to-Digital Converter (ADC)”
• Section 17. “UART”
• Section 18. “SPI”
• Section 19. “I
2
C
TM
”
• Section 20. “Data Converter Interface (DCI)”
• Section 21. “ECAN™”
• Section 22. “Direct Memory Access (DMA)”

dsPIC33F Family Reference Manual
DS70197B-page 1-4 © 2009 Microchip Technology Inc.
1.3 DEVELOPMENT SUPPORT
Microchip offers a wide range of development tools that allow you to efficiently develop and
debug application code. Microchip’s development tools generally fall into the following
categories:
• Code generation
• Hardware and software debugging
• Device programming
• Product development boards
A full description of each of Microchip’s development tools is provided in Section 26.
“Development Tool Support”. As new tools are developed, the latest product briefs and user
guides can be obtained from the Microchip web site (www.microchip.com), or from your local
Microchip sales office.
Microchip offers other development support in the following forms:
• Application notes
• Reference designs
• Microchip web site
• Local sales offices with Field Application Engineering support
• Corporate support line
The Microchip web site (www.microchip.com) also lists other web sites that may be useful
references.

© 2009 Microchip Technology Inc. DS70197B-page 1-5
Section 1. Introduction
Introduction
1
1.4 STYLE AND SYMBOL CONVENTIONS
Throughout this document, certain style and font format conventions are used. Most format
conventions imply a distinction should be made for the emphasized text. The semiconductor
industry uses many symbols and non-conventional word definitions and abbreviations. Table 1-1
provides a description for many of the conventions contained in this document. A glossary is
located at the end of this manual that provides additional word and abbreviation definitions used
throughout this document.
Table 1-1: Document Conventions
Symbol or
Term
Description
set To force a bit or register to a value of logic ‘1’.
clear To force a bit or register to a value of logic ‘0’.
Reset 1. To force a bit or register to its default state.
2. A condition in which the device places itself after a device Reset
occurs. Some bits will be forced to ‘0’ (such as interrupt enable bits),
while others will be forced to ‘1’ (such as I/O data direction bits).
0xnn or nnh Designates the number ‘nn’ in the hexadecimal number system. These
conventions are used in the code examples. For example, the designation
0x13F or 13Fh may be used.
B‘bbbbbbbb’ Designates the number ‘bbbbbbbb’ in the binary number system. This
convention is used in the text and in figures and tables. For example, the
designation B‘10100000’ may be used.
R-M-W Read-Modify-Write. This occurs when a register or port is read, the value is
modified, and that value is then written back to the register or port. This
action can occur from a single instruction (such as bit set, BSET) or a
sequence of instructions.
LSb, MSb Indicates the Least Significant or Most Significant bit in a field.
LSB, MSB Indicates the Least Significant or Most Significant Byte in a field of bits.
lsw, msw Indicates the least significant or most significant word in a field of bits.
: (colon) Used to specify a range or the concatenation of registers, bits or pins.
One such example is TMR3:TMR2, which is the concatenation of two 16-bit
registers to form a 32-bit timer value.
Concatenation order (left to right) usually specifies a positional relationship
(MSb to LSb, higher to lower).
< > Specifies bit(s) locations in a particular register.
One example is OSCCON<14:12> (or COSC<2:0>), which specifies the
register and associated bits or bit positions.
Courier New
Font
Used for code examples and binary numbers and for instruction mnemonics
that appear in the text.
Times New
Roman Font,
Italics
Used for equations and variables. For example:
Note A Note presents information that we want to re-emphasize, either to help
you avoid a common pitfall or to make you aware of operating differences
between some device family members. Notes are presented either in a
shaded box (as shown below), or are placed at the bottom of a table,
register, figure or example.
FVCO FIN
M
N1
-------
⎝⎠
⎛⎞
× F
IN
PLLDIV 2+()
PLLPRE 2+()
-------------------------------------
⎝⎠
⎛⎞
×==
Note: This is a note in a shaded box.
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