Lecture2 - Lab IV Lecture 2 Step 1 Review Introduce Step 2...

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Lab IV Lecture 2 Step 1 Review Introduce Step 2 Course web page http://webct.drexel.edu
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2 The Overall Idea ADC RAM DAC Control 8 8 Data Bus
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3 The Overall Idea Ideally we would like to be able to record an audio (voice) message and then play it back. We will see that there are real-world limitations that will limit our success, and some compromises will be needed.
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4 Step by Step Step 1 Review of ADC and DAC Step 2 Building the ADC Circuit Step 3 Build the DAC Circuit Step 4 Introduce Static RAM Step 5 Build the On-Board Clock Step 6 Introduce Control Logic Step 7 Final Changes
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5 Step 1 Deliverables Provide calculations detailed on handout Schematics and simulations results Short discussions of each section Answers to discussion questions Due 1 week after lab date
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6 Step 2 Prelab Draw a tentative floorplan for the recording circuit How to decide? ADC, DAC, and RAM are hardwired on your board Arrange the other subcircuits (timer, address generator, etc.) so that you minimize the overlap of the connections Since you do not know the details of the all the subcircuits yet, take educated guesses - don’t try to force all of your circuit into one corner of your board You MUST have a floorplan drawing checked before beginning circuit construction
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7 Step 2 Prelab Read the ADC0804 datasheet
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Lecture2 - Lab IV Lecture 2 Step 1 Review Introduce Step 2...

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