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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.
A timing diagram can contain many rows, usually one of them being the clock. It is a tool commonly used in digital electronics, hardware debugging, and digital communications. Besides providing an overall description of the timing relationships, the digital timing diagram can help find and diagnose digital logic hazards .
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English: SPI bus timing diagram. Čeština: Časový diagram SPI sběrnice. Date: 19 December 2006: Source: Own work . This W3C-unspecified vector image was created ...
Timing diagram may refer to: Digital timing diagram; Timing diagram (Unified Modeling Language) Time–distance diagram This page was last edited on 7 ...
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.
Specifically, it refers to the technique of having the transmitting device send a clock signal along with the data signals. The timing of the unidirectional data signals is referenced to the clock (often called the strobe) sourced by the same device that generates those signals, and not to a global clock (i.e. generated by a bus master).
The System Packet Interface (SPI) family of Interoperability Agreements from the Optical Internetworking Forum specify chip-to-chip, channelized, packet interfaces commonly used in synchronous optical networking and Ethernet applications. A typical application of such a packet level interface is between a framer (for optical network) or a MAC ...