11/19/2023 0 Comments Spi arduino controllerA master in the connection is popularly a microcontroller, and the slave can be a sensor, ADC (Analog to Digital Converter), LCD (Liquid Crystal Display), DAC (Digital to Analog Converter), etc. The SPI uses four lines for communication that are listed above (MISO, MOSI, CLK, and SS). The SPI is a synchronous interface that has a structure of one master and multiple slave communication. It allows us to share the same MISO, CLK, and MOSI with the multiples SPI devices. The device interface with the master, when SS is low. It is the Slave Select line, which is used by the master. The data generated by the master is synchronized by the SCK. In slave, it works as the input of the clock generator. These are the clock pulses, which are used to synchronize the transmission of data. The MOSI and SCK are driven by the Master. It stands for Master Output/ Slave Input. The slave line in the MISO pin is used to send the data to the master. It stands for Master Input/ Slave Output. The SPI has four lines, which are listed below: The SPI uses a master-slave architecture, where one Master device controls the peripheral devices. It uses four conductors for data receiving, data sending, synchronization, and device selection for communication. The required connection of SPI is a full-duplex that allows devices to simultaneously sent and receive data. The microcontrollers use the serial protocol to communicate over short distances with one or more peripheral devices quickly. The SPI ( Serial Peripheral Interface) is a serial data protocol.
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