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Published byAntero Ahola Modified over 6 years ago
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Group 10 – Extensible Digital Logic Educational Tool
PCB Design
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Block Diagram
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Overall considerations
Mounting breadboard Headers from GP I/O signals Protection circuit for GP I/O pins efficiently placed and in visually obvious order
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Pic18f4455 considerations Oscillator close to 18F4455
Oscillator trace lengths same Vusb capacitor close to 18F4455 All pins to immediate test/point header
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Power supply considerations
Far from noise sensitive components Power and ground traces 100 mil Tied to USB GND and +5V(?)
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