Microcontroller: 1-wire Interface, SPI Interface - IIIT
Microcontroller: 1-wire Interface, SPI Interface - IIIT
Microcontroller: 1-wire Interface, SPI Interface - IIIT
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<strong>SPI</strong>: Key Observations<br />
4 lines required: MOSI, MISO, SCK, CS<br />
Allows simultaneous read and write making it more efficient<br />
Higher data rate: Up to 4 Mbps or more<br />
Multiple devices can be connected simultaneously but with only a<br />
single master<br />
Device selection based on Chip Select: Implies an extra pin for<br />
each device on the master chip<br />
More efficient in point to point connection: Why<br />
No acknowledgement mechanism to confirm data receipt<br />
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