User manual

The SPI protocol
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A synchronous bit-serial protocol.
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Originated by Motorola but not standardized.
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Many devices use a SPI-like protocol. For example, the PMod A/D
and D/A converter modules.
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The Wikipedia has a nice discussion:
http://en.wikipedia.org/wiki/Serial_Peripheral_Interface_Bus
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Meant to be easy to implement and work with.
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Typical transfer size are 8 and 16 bits.
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Bi-directional. Send a word, receive a word, with latency.
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A relevant learning document is the C5515 SPI User’s Guilde,
SPRUFO3.
EECS 452 – Fall 2014 Lecture 5 – Page 118/143 Tuesday – September 16, 2014