Using Serial Peripheral Interface (SPI) Master and Slave with Atmel AVR Microcontroller

Tags:
Spi, MCP23S17, I/O, Expander, Microchip, Avr, ATMEGA168, Atmel, Adc

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Sometimes we need to extend or add more I/O ports to our microcontroller based project; the question is how fast the response we need for these new I/O ports. Because usually we only have a limited I/O port left than the logical choice is to use the serial data transfer method; which usually only required maximum one to four ports for doing the data transfer. For more information please visit http://www.ermicro.com/blog/?p=1050

  1. By: ermicroinfo
  2. Categories Science & Tech
  3. Views 1,334
  4. Added :25-Jun-09
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