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What is the difference between SPI and SSP?

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Surender Reddy

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What is the difference between SPI and SSP?
I have used ss, sck, MISO,MOSI pins for SPI communication, like that what are the pins for SSP communication?
Both are same? if 'no', then what is the difference?
 

Tahmid

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SSP (Synchronous Serial Port) is the module. SPI is the protocol.

A Synchronous Serial Port (SSP) is a controller that supports the Serial Peripheral Interface (SPI), 4-wire Synchronous Serial Interface (SSI), and Microwire serial buses. A SSP uses a master-slave paradigm to communicate across its connected bus.
http://en.wikipedia.org/wiki/Synchronous_Serial_Port


(Image taken from page 2 of Section 15 of the PICmicro Midrange MCU FAMILY reference manual - ww1.microchip.com/downloads/en/DeviceDoc/31015a.pdf).

Read these:
ww1.microchip.com/downloads/en/DeviceDoc/31015a.pdf
ww1.microchip.com/downloads/en/DeviceDoc/31017a.pdf

Hope this helps.
Tahmid.
 

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