11-SPI - Serial Peripheral Interface (SPI) (SPI) ECE 2534...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Serial Peripheral Interface (SPI) ECE 2534 1 Packet 11
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Motivation microcontroller needs to communicate ± A microcontroller needs to communicate with peripheral devices ± Data transfers can be ² serial Å one bit at a time ² or parallel Å several bits simultaneously ± Which alternative is faster ? ± Which alternative is cheaper to implement? 2
Background image of page 2
Motivation arallel interconnections are usually ± Parallel interconnections are usually faster but more xpensive xtra wires extra pins) expensive (extra wires, extra pins) ± Some peripherals do not need high-speed data transfers! 3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
To clock, or not to clock ± Serial communication can be ynchronous ata + clock ² synchronous Å data clock r sychronous st the data; no clock ² or asychronous Å just the data; no clock hich of these is ster ± Which of these is faster ? ± Which of these is cheaper to implement? 4
Background image of page 4
Serial Peripheral Interface (SPI) PIisastandardforfull uplex ± SPI is a standard for full-duplex, synchronous, serial communication ±
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 14

11-SPI - Serial Peripheral Interface (SPI) (SPI) ECE 2534...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online