Question

Q4. What is the full form of

the following abbreviations for MSP430?

(a)

GPIO

(b)

SPI

(c)

UART

(d)

I^2 C

Answer 1

Answer(a) GPIO stands for: General purpose input/output

GPIO are those input/output pins of the microcontroller which do not have a specific purpose. They are customizable by programming.

Answer(b) SPI stands for: Serial Peripheral Interface

It is an interface that allows serial exchange of data between two devices , generally the microcontroller and peripheral devices.

Answer(c) UART stands for: Universal Asynchronous Transmitter/Receiver

It is a circuit in the microcontroller which is used for serial communication between the microcontroller and analog devices like GPS modules, RFID card reader modules, GSM modules etc.

Answer(d) I²C stands for: Inter-Integrated Circuit

Is a serial communication protocol

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