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Q1. eMMC stands for embedded Multi Media Card developed in 2006 by JEDEC and the MultiMediaCard Association, is an internal storage technology for smartphones and tablets that consists of both flash memory and a flash memory controller integrated on the same silicon die.
JTAG (Joint Test Action Group) is a interface used for debugging and programming the devices like micro controllers and CPLDs or FPGAs. This unique interface enables you to debug the hardware easily in real time (i.e. emulate). It can control directly the clock cycles provided to the micro controller through software.
Q2.
The main difference between MAC and IP address is that, MAC Address is used to ensure the physical address of computer. It uniquely identifies the devices on a network. While IP address are used to uniquely identifies the connection of network with that device take part in a network.
Q3.MBoot is the MStar boot loader which is composed of SBoot and UBoot. MBoot is used to boot up system, so it would initialize H/W setting and then load application from SPI to ram.
Q4.A UART (Universal Asynchronous Receiver/Transmitter) is the microchip with programming that controls a computer's interface to its attached serial devices. ... On inbound transmission, converts the serial bit stream into the bytes that the computer handles.
Basics of UART Communication. ... UART stands for Universal Asynchronous Receiver/Transmitter. It's not a communication protocol like SPI and I2C, but a physical circuit in a microcontroller, or a stand-alone IC. A UART's main purpose is to transmit and receive serial data.
Q5.There is one major difference between a read-only memory (ROM) and a random-access memory (RAM) chip: ROM can hold data without power and RAM cannot. Essentially, ROM is meant for permanent storage, and RAM is for temporary storage.
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