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- Serial Peripheral Interface - Wikipedia
Serial Peripheral Interface (SPI) is a de facto standard (with many variants) for synchronous serial communication, used primarily in embedded systems for short-distance wired communication between integrated circuits
- Basics of SPI: Serial Communications - Texas Instruments
There are two control lines for SPI The controller, usually a microcontroller or DSP, controls a peripheral select and the serial clock used for data synchronization An SPI bus can control multiple peripherals
- SPI Interface Explained: Simple Guide for Beginners
SPI or Serial Peripheral Interface was developed by Motorola in the 1980’s as a standard, low – cost and reliable interface between the Microcontroller (microcontrollers by Motorola in the beginning) and its peripheral ICs
- Basics of the SPI Communication Protocol
SPI is a communication protocol used to interface a variety of sensors and modules to microcontrollers This easy to understand guide will explain how it works
- Introduction to SPI Interface | Analog Devices
Serial peripheral interface (SPI) is one of the most widely used interfaces between microcontroller and peripheral ICs such as sensors, ADCs, DACs, shift registers, SRAM, and others
- Serial Peripheral Interface (SPI) - SparkFun Learn
SPI works in a slightly different manner It's a "synchronous" data bus, which means that it uses separate lines for data and a "clock" that keeps both sides in perfect sync The clock is an oscillating signal that tells the receiver exactly when to sample the bits on the data line
- SPI I2C Controllers - ChipVerify
Why Learn SPI and I2C Controllers? SPI and I2C are the workhorses of embedded communication—connecting sensors, flash memory, displays, and peripherals in everything from smartphones to automotive systems Understanding how to design these controllers at the RTL level gives you the skills to create custom communication engines optimized for your SoC's specific needs
- SPI Bus Specification – A Complete Technical Guide
SPI stands out because it’s fast, simple, and highly reliable Unlike I2C, SPI doesn’t need complex addressing protocols—just a clean set of wires and a clear communication method
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