Microchip PIC24HJ128GP510 Manual

Microchip Ikke kategoriseret PIC24HJ128GP510

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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:	PIC24HJ128GP510

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