Microchip Technology MCP6 series Manual de usuario descargar pdf (Pagina 16)

AN900

DS00900A-page 16  2004 Microchip Technology Inc.

FIGURE A-3: BOARD SCHEMATIC, PART 2 (PIC18F2431 MICROCONTROLLER SOCKET,

USART, CLOCK OSCILLATOR NETWORK AND OPTIONAL LIN INTERFACE)

OPTIONAL

1 µF

10 ohm

0.1 µF

33 pF

MCP201

PIC18F2431

MCLR/RE3

RA0/AN0

RA1/AN1

RA2/VREF-

RA3/VREF+

RA4/AN4

VDD

VSS

OSC1/RA7

OSC2/RA6

RC0

RC1/CCP2

RC2/CCP1

RC3

RB7

RB6

PWM4

PWM5

PWM3

PWM2

PWM1

PWM0

VDD

VSS

RC7

RC6

RC5/INT2

RC4/INT1

V+

T1IN

T2IN

A1OUT

C1+

C1-

V-

A1IN

A2IN

C2+

C2-

GND

RXD

CS/WAKE

TXD

FAULT

/SLPS

BAT

LIN

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24

INTRODUCTION 1
SYSTEM OVERVIEW 2
OVERVIEW OF CONTROL 3
STRATEGIES 3
FIRMWARE OVERVIEW 5
Main Loop 6
Fault Service 6
V/f CONTROL FIRMWARE 9
PWM Waveform Synthesis 10
PID CONTROL FIRMWARE 11
CLOSED-LOOP SLIP CONTROL 11
COMPARING MICROCONTROLLERS 12
FOR AC INDUCTION MOTOR 12
CONTROL APPLICATIONS 12
CONCLUSION 13
REFERENCES 13
APPENDIX A: PICDEM™ MC 14
BOARD OVERVIEW 14
SW2 (FWD/REV) 15
SW1 (ON/OFF) 15
PIC18F4431 15
OPTIONAL 16
CONNECTORS, MONITOR LEDS) 17
BLDC OPERATION) 18
CURRENT MEASUREMENT) 19
CURRENT TRANSDUCER CIRCUITRY) 20
APPENDIX B: SOFTWARE 22
DISCUSSED IN THIS 22
APPLICATION NOTE 22
ORLDWIDE SALES AND SERVICE 24

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Microchip Technology MCP6 series Manual de usuario Pagina 16

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