b) Below is a small assembly language program. 1000H MOV TMOD, #01D HERE: MOV TLO, #FFH # 10H ORG MOV THO, CPL P1.0 ACALL DELAY SJMP HERE DELAY: SETB TRO 1LOOP: JNB TF0, 1LOOP CLR TRO CLR TFO RETI END i) ii) The program has four errors. Identify and state how you would correct them. Briefly describe the behaviour of the program paying particular attention to the configuration and operation of Timer 0. iii) Assuming the amended code is run on a classic 8051 using a 12 MHz crystal, estimate the period of the waveform on P1.0.

b) Below is a small assembly language program. 1000H MOV TMOD, #01D HERE: MOV TLO, #FFH # 10H ORG MOV THO, CPL P1.0 ACALL DELAY SJMP HERE DELAY: SETB TRO 1LOOP: JNB TF0, 1LOOP CLR TRO CLR TFO RETI END i) ii) The program has four errors. Identify and state how you would correct them. Briefly describe the behaviour of the program paying particular attention to the configuration and operation of Timer 0. iii) Assuming the amended code is run on a classic 8051 using a 12 MHz crystal, estimate the period of the waveform on P1.0.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question

Question iii please help......

b) Below is a small assembly language program.
1000H
MOV TMOD, #01D
TLO, #FFH
THO, # 10H
P1.0
ACALL DELAY
SJMP HERE
ORG
HERE: MOV
MOV
CPL
DELAY:
1LOOP:
END
i)
ii)
SETB TRO
JNB
CLR
CLR
RETI
TF0, 1LOOP
TRO
TFO
The program has four errors. Identify and state how you would correct them.
Briefly describe the behaviour of the program paying particular attention to the
configuration and operation of Timer 0.
iii) Assuming the amended code is run on a classic 8051 using a 12 MHz crystal,
estimate the period of the waveform on P1.0.

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