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

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Spi MCP23S17 I/O Expander Microchip Avr ATMEGA168 Atmel Adc
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ermicroinfo
  • By: ermicroinfo
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  • Updated: 16-Jan-10
  • Videos: 22
  • International English
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  • Added: 25-Jun-09

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

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

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