Chapter15 SPI

Chapter15 SPI - Synchronous Serial Peripheral Interface...

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

View Full Document Right Arrow Icon
Synchronous Serial Peripheral Interface (SPI) Chapter 15.3 Web reference: http://www.embedded.com/story/OEG20020124S0116 http://en.wikipedia.org/wiki/Serial_Peripheral_Interface_Bus
Background image of page 1

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

View Full DocumentRight Arrow Icon
Synchronous Serial Peripheral Interface (SPI) Low cost interface between devices CPUs and peripheral functions Good for data streaming at high data rates Typical applications real-time clocks serial EPROMs data converters (A/D, D/A) additional I/O ports display drivers (LCD, LED)
Background image of page 2
SPI features Transmitter & receiver synchronized to a common clock supports high data rates Hardware based on shift registers output of one SPI module connected to input of the other – creating a single shift register Master/slave operation master may control multiple slave devices
Background image of page 3

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

View Full DocumentRight Arrow Icon
Master/slave serial peripheral interface. MOSI = master out/slave in MISO = master in/slave out SCK = synchronizing clock
Background image of page 4
(PORTM $0250, DDRM=$0252) PM0 PM1 PM2 PM3 PM4 PM5 RXCAN TXCAN MISO (Master-In, Slave-Out) SS_L (slave select – active low) MOSI (Master-Out, Slave-In)
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 / 17

Chapter15 SPI - Synchronous Serial Peripheral Interface...

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