Microchip PIC24HJ256GP206 Manual

Microchip Ikke kategoriseret PIC24HJ256GP206

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© 2010 Microchip Technology Inc. DS70152H-page 1
dsPIC33F/PIC24H
1.0 DEVICE OVERVIEW
This document defines the programming specification
for the dsPIC33F 16-bit Digital Signal Controller (DSC)
and PIC24H 16-bit Microcontroller (MCU) families. This
programming specification is required only for those
developing programming support for the dsPIC33F/
PIC24H family. Customers using only one of these
devices should use development tools that already
provide support for device programming.
Topics covered include:
1.0 Device Overview ......................................................... 1
2.0 Programming Overview of the dsPIC33F/PIC24H ...... 1
3.0 Device Programming – Enhanced ICSP ..................... 8
4.0 The Programming Executive ..................................... 19
5.0 Device Programming – ICSP .................................... 28
6.0 Programming the Programming Executive
to Memory ................................................................. 45
7.0 Device ID................................................................... 50
8.0 AC/DC Characteristics and Timing Requirements .... 54
Appendix A: Hex File Format .............................................. 57
Appendix B: Device ID Register Silicon Errata Addendum . 58
Appendix C: Diagnostic and Calibration Registers ............. 59
Appendix D: Checksum Computation ................................. 61
Appendix E: Revision History.............................................. 74
2.0 PROGRAMMING OVERVIEW
OF THE dsPIC33F/PIC24H
There are two methods of programming the dsPIC33F/
PIC24H family of devices discussed in this
programming specification. They are:
In-Circuit Serial Programming™ (ICSP™)
programming capability
Enhanced In-Circuit Serial Programming
The ICSP programming method is the most direct
method to program the device; however, it is also the
slower of the two methods. It provides native, low-level
programming capability to erase, program and verify
the chip.
The Enhanced ICSP protocol uses a faster method that
takes advantage of the programming executive, as
illustrated in . The programming executiveFigure 2-1
provides all the necessary functionality to erase,
program and verify the chip through a small command
set. The command set allows the programmer to
program the dsPIC33F/PIC24H Programming
Specification devices without having to deal with the
low-level programming protocols of the chip.
FIGURE 2-1: PROGRAMMING SYSTEM
OVERVIEW FOR
ENHANCED ICSP™
This specification is divided into major sections that
describe the programming methods independently.
Section 3.0 “Device Programming Enhanced
ICSP” describes the Enhanced ICSP method.
Section 5.0 “Device Programming ICSP”
describes the ICSP method.
2.1 Power Requirements
All devices in the dsPIC33F/PIC24H family are dual
voltage supply designs: one supply for the core and
another for the peripherals and I/O pins. A regulator is
provided on-chip to alleviate the need for two external
voltage supplies.
All of the dsPIC33F/PIC24H devices power their core
digital logic at a nominal 2.5V. To simplify system
design, all devices in the dsPIC33F/PIC24H
Programming Specification family incorporate an
on-chip regulator that allows the device to run its core
logic from VDD.
The regulator provides power to the core from the other
VDD pins. A low-ESR capacitor (such as tantalum) must
be connected to the VCAP pin (Figure 2-2). This helps
to maintain the stability of the regulator. The
specifications for core voltage and capacitance are
listed in Section 8.0 “AC/DC Characteristics and
Timing Requirements”.
dsPIC33F/PIC24H
Programmer Programming
Executive
On-Chip Memory
dsPIC33F/PIC24H Flash Programming Specification


Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: PIC24HJ256GP206

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