ECE4006 Senior Design Project Linda Milor and Jay Schlag

Project Inputs Level Converter Parallel Digital Inputs If the components do not use compatible voltage and current levels: If you need to interface to more inputs than allowed for your processor: MUX

Signals Synchronous Digital Data Asynchronous Digital Analog Clock

Pulse Generation Comparator In Out

Isolation +5v Relay LED Photo Transistor Processor +110v motor Optical Isolator Processor

Analog to Digital Converters Analog Digital Converter Start End of Conversion

Slope Converter Input Slope Time Voltage or Current 1.Slow 2.Expensive 3.Not Sensitive to Noise 4.Accurate 5.Large Application: Digital Voltmeter Temperature Meter

Approximation Converter Input Time Voltage or Current 1.Medium Fast 2.Cheap 3.Sensitive to Noise 4.Medium Accurate 5.Small Application: General Purpose

Flash Converter 1.Very Fast 2.Very Expensive 3.Sensitive to Noise 4.Not Accurate 5.Small Application: Extreme High Frequency Comparator 0.75Vdd 0.5Vdd 0.25Vdd

Project Outputs Level Converter Parallel Digital Outputs If the components do not use compatible voltage and current levels: If you need more outputs, i.e. if you are using multiple processors: Register Bank Strobe

Signals Synchronous Digital Data Asynchronous Digital Analog Clock

Isolation +5v Relay LED Photo Transistor Processor +110v motor Optical Isolator Processor

Driving Loads V Drive Transistor Load V Drive Transistor Inductive Load Speed Control Fast Slow

Driving Motors – Bidirection Dual Power Supply Drive Transistor +V-V

Driving Motors – Bidirection Single Power Supply (H Bridge) V

V On Off V On Off

Stearing Motors – Bidirection Single Power Supply (H Bridge) V Spring

Digital to Analog Converters Digital Analog Converter