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The 8254 Programmable Interval Timer (PIT) has been interfaced with the 8085 microprocessor as shown in Figure Q3(d): (i) Identify the Counter 0, Counter
The 8254 Programmable Interval Timer (PIT) has been interfaced with the 8085 microprocessor as shown in Figure Q3(d): (i) Identify the Counter 0, Counter 1. Counter 2, and Control register addresses. (ii) Outline an assembly language program to initialize Counter 2 for a binary count of mode 1 with a Count of D025H. 8085 CLK RD D-D WR A A 2 Ay As As As As Ac Counter D-D, 9 WR Figure. Q3(d) CLK A A 8254 GATE OUT +5V (Trigger up in mode 1) [6 Marks]
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Here are the stepwise workings i The addresses of the PIT components are Counter 0 40...
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
