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SPI timing diagram for both clock polarities and phases. Data bits output on blue lines if CPHA=0, or on red lines if CPHA=1, and sample on opposite-colored lines. Numbers identify data bits. Z indicates high impedance. The SPI timing diagram shown is further described below: CPOL represents the polarity of the clock.
English: SPI timing diagram showing clock polarity and phase. Blue lines indicate clock cycle boundaries when CPHA=0. ... SPI_timing_diagram.svg with UploadWizard ...
The timing diagram example on the right describes the Serial Peripheral Interface (SPI) Bus. Most SPI master nodes can set the clock polarity (CPOL) and clock phase (CPHA) with respect to the data. This timing diagram shows the clock for both values of CPOL and the values for the two data lines (MISO & MOSI) for each value of CPHA.
Date/Time Thumbnail Dimensions User Comment; current: 02:37, 20 December 2006: 430 × 250 (221 KB): Cburnett: Doh, messed up the upload. This should be the blue lined one.
This image is a derivative work of the following images: File:SPI_timing_diagram.svg licensed with Cc-by-sa-3.0-migrated, GFDL . 2006-12-20T02:37:46Z Cburnett 430x250 (226452 Bytes) Doh, messed up the upload.
An example SPI with a master and three slave select lines. Note that all four chips share the SCLK, MISO, and MOSI lines but each slave has its own slave select. Chip select (CS) or slave select (SS) is the name of a control line in digital electronics used to select one (or a set) of integrated circuits (commonly called "chips") out of several connected to the same computer bus, usually ...
Synchronous Serial Interface (SSI) is a widely used serial interface standard for industrial applications between a master (e.g. controller) and a slave (e.g. sensor). SSI is based on RS-422 [1] standards and has a high protocol efficiency in addition to its implementation over various hardware platforms, making it very popular among sensor manufacturers.
A master clock provides time signals used to synchronize one or more slave clocks as part of a clock network; [5] a slave clock receives and displays the time from a master; though it may be able to keep time itself if the master is not working. A serial peripheral interface (SPI) bus typically has a single master controlling multiple slaves ...