Embedded Systems Design with the Atmel AVR Microcontroller Part II

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252 CHAPTER 8. SYSTEM LEVEL DESIGN from micro I SSR 7404 V DD R optical solid state relay G M D MOSFET S DC motor supply voltage I motor Figure 8.4: 24 VDC, 1500 RPM motor equipped <strong>with</strong> a3channel optical encoder. R G protection diode
VDD 1M sys reset 1.0 uF ZTT 10MHz resonator 1-(TO) PB0 2-(T1) PB1 3-(AIN0) PB2 4-(AIN1) PB3 5-(SS) PB4 6-(MOSI) PB5 7-(MISO) PB6 8-(SCK) PB7 9-RESET 10-Vcc 11-GND 12-XTAL2 13-XTAL1 14-(RXD0) PD0 15-(TXD0) PD1 16-(RXD1) PD2 17-(TXD1) PD3 18-(OC1B) PD4 19-(OC1A) PD5 20-(ICP) PD6 enable I 7404 ATmega164 PORTB PORTD V DD R PORTA PORTC PA0 (ADC0)-40 PA1 (ADC1)-39 PA2 (ADC2)-38 PA3 (ADC3)-37 PA4 (ADC4)-36 PA5 (ADC5)-35 PA6 (ADC6)-34 PA7 (ADC7)-33 AREF-32 AGND-31 VDD AVCC-30 PC7 (TOSC2)-29 PC6 (TOSC1)-28 PC5-27 PC4-26 data PC3-25 PC2-24 PC1-23 PC0-22 PD7 (OC2)-21 RS:command/data enable Solid State Relay R G G Vcc 8.4. CIRCUIT DIAGRAM 253 10K data GND-1 VDD-2 Vo-3 RS-4 R/W-5 E-6 DB0-7 DB1-8 DB2-9 DB3-10 DB4-11 DB5-12 DB6-13 DB7-14 optical encoder - LM324 + M D MOSFET S threshold detector AND671GST DC motor supply voltage I LOAD protection diode Figure 8.5: Circuit diagram for a 24 VDC, 1500 RPM motor equipped <strong>with</strong>a3channel optical encoder.
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Embedded Systems Design with the At
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iv An Introduction to Logic Circuit
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Copyright © 2010 by Morgan & Clayp
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ABSTRACT This textbook provides pra
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x CONTENTS 7 6.9.3 Input Capture Mo
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xii CONTENTS A 8.5.3 Circuit diagra
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Preface In 2006 Morgan & Claypool P
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138 CHAPTER 6. TIMING SUBSYSTEM x(t
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Page 173: Author’s Biography STEVEN F. BARR
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Embedded Systems Design with the Atmel AVR Microcontroller Part II

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