CAL - SPI
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The SPI CAL component provides SPI (Serial Peripheral Interface) functionality by either interfacing with a microcontroller based hardware device or by using the I/O pins of the microcontroller driven in software mode.
SPI is a synchronous serial data communication bus that operates in Full-Duplex mode and is particularly directed towards interfacing a micro-controller to other hardware peripherals that require larger volumes of data transfer both in and out of the device.
