L16 Microcontrollers - EE 40 Microcontrollers EE 40 Lecture...

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EE 40 Microcontrollers EE 40 Lecture 16: Microcontrollers 1
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Application: Flashlight EE 40 Lecture 16: Microcontrollers 2 http://www.corticalcafe.com/picaxe_flashlight.htm
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Multiple Microcontrollers EE 40 Lecture 16: Microcontrollers 3 Touch sensor interface Sound compression engine Applications processor
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Electronic System EE 40 Lecture 16: Microcontrollers 4 Digital Core ≥ 1 Microcontroller Memory Touch sensor Light sensor Power supply Display driver RF transceiver Clock Power down uPhone preamp Speaker amp DSL/cable modem Motor control
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Analog versus Digital Signals EE 40 Lecture 16: Microcontrollers 5 v(t) time Analog signal: Binary digital signal: v(t) time clock(t) time
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Digital Binary Data Each signal (wire) carries only 1 bit Yes / no 0 / 1 Smoke / no smoke Encoding V dd / V ss Current / no current EE 40 Lecture 16: Microcontrollers 6
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Digital Data (cont) > 1 binary signal (wire) for > 2 values E.g. 2 binary signals encode 4 possible values:
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This note was uploaded on 01/15/2011 for the course EE 40 taught by Professor Chang-hasnain during the Spring '07 term at University of California, Berkeley.

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L16 Microcontrollers - EE 40 Microcontrollers EE 40 Lecture...

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