12/8/2023 0 Comments Both i2c and spi arduino![]() Furthermore, SPI protocol's applications include SD cards, display modules, etc. SPI serial bus allows multiple slaves to interface with the master device thus, SPI protocol's major benefit is the speed used where speed is crucial. The master devices both read and write the data. Their wires help in the communication interfaces between the master and slave devices. SPI uses four wires, MISO, MOSI, SS, and CLK. The master-slave architecture of SPI has a single master device and microcontroller, while the slaves are the peripherals like the GSM modem, sensors, GPS, etc. PIC, ARM, and AVR controllers are some of the controllers that use the SPI interface. It allows simultaneous data exchange, both transmission and reception. This is the full-duplex communication protocol. In an embedded system, they are used for short-distance communication. Serial Peripheral Interface (SPI) is one of the serial communication interfaces of synchronous types. What is a Serial Peripheral Interface (SPI)? ![]() Best Communication Interfaces among SPI, I2C, and UART.What is a Serial Peripheral Interface (SPI)?.Thus, after reading this article, you can choose the correct protocol per your requirement. This article has compared all three protocols, including their advantages, disadvantages, and uses. These protocols have the significant benefits of low data loss and high speed. Among them, the most common communication protocols in microcontroller development are SPI, UART, and IC2. All of the embedded systems make use of serial communication interfaces to communicate with the peripherals. Peripheral expansion is a high-power-consuming and highly complex system without knowing the communication protocols. In an embedded system, communication plays an important role.
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