Timer operation int k1, k2, PIN = 8, sen void setup() { Serial.begin(9600); } void loop() { TCCR1A 0x00; TCNT1H 0x00; TCNT1L = 0x00; TCCR1B = 0x00; Set the default setting of Timer1 Reset high 8-bits of Timer1 Reset low 8-bits of Timer1 Disable Timer1 c1: sen digitalRead(PIN); if (sen = 1) goto c1; c2: sen = digitalRead(PIN); if (sen == 0) goto c2; c3: } TCCR1B 0x03; start Timer1 at Prescale Value of 64 sen = digitalRead(PIN); if (sen == 1) goto c3; TCCR1B 0x00; k1 TCNT1L; k2 TCNT1H; Serial.print (k1); Stop Timer1 Read Low 8-bits of Timer1 Read high 8-bits of Timer1 Serial.print(",,,"); Serial.print (k2); delay(1500); Serial.print(" TCNT1H 0x00; TCNT1L = 0x00; goto c; Reset high 8-bits of Timer1 Reset low 8-bits of Timer1 To clear Tiner1 over flow we must use TIFR1 = (1<< TOV1);

Timer operation int k1, k2, PIN = 8, sen void setup() { Serial.begin(9600); } void loop() { TCCR1A 0x00; TCNT1H 0x00; TCNT1L = 0x00; TCCR1B = 0x00; Set the default setting of Timer1 Reset high 8-bits of Timer1 Reset low 8-bits of Timer1 Disable Timer1 c1: sen digitalRead(PIN); if (sen = 1) goto c1; c2: sen = digitalRead(PIN); if (sen == 0) goto c2; c3: } TCCR1B 0x03; start Timer1 at Prescale Value of 64 sen = digitalRead(PIN); if (sen == 1) goto c3; TCCR1B 0x00; k1 TCNT1L; k2 TCNT1H; Serial.print (k1); Stop Timer1 Read Low 8-bits of Timer1 Read high 8-bits of Timer1 Serial.print(",,,"); Serial.print (k2); delay(1500); Serial.print(" TCNT1H 0x00; TCNT1L = 0x00; goto c; Reset high 8-bits of Timer1 Reset low 8-bits of Timer1 To clear Tiner1 over flow we must use TIFR1 = (1<< TOV1);

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter2: Introduction To Systems Architecture

Section: Chapter Questions

Problem 2VE: A(n) __________ is a storage location implemented in the CPU.

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