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The devices on the I2C bus are either masters or slaves. The master is the device that is responsible for driving the SCL clock line, while the slaves are the devices that respond to the master. A slave cannot initiate a transfer over the I2C bus; this can only be done by master. Multiple masters and slaves can be used on the I2C bus; however there is normally only one master.
USING I2C AS MULTIPLE MASTERS/SLAVES BUS
This means that more than one device capable of controlling the bus can be connected to it. Microcontrollers are usually the master. The four operational modes are as follows:
Q. Explain working of Counters? A counter is a register that goes through a predetermined sequence of states when clock pulse is applied. In principle value of counters is incr
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
What is Matrix Addressing Mode. Ans. Matrix Addressing Mode: The arrangement which needs the fewest address lines is a square array of n rows and n columns for a whole memory
Q. Explain Cell Spacing and Cell Padding? Couple of attributes known as CELLSPACING and CELLPADDING. Both are part of tag. CELLPADDING is the amount of space between
Device Drivers in UNIX, MS-DOS and Windows System Though device drivers are in effect add-on modules they are however considered to be part of system because they are closely i
The 16 keys (4x4 matrixes) keypads diagram is shown in figure 4 above. Let see how the keypad is connected. Each square of the alphanumeric has to be pushed to make a switch or con
Q. Explain about Programmer Visible Registers? Programmer Visible Registers: These registers can be employed by machine or assembly language programmers to minimize reference
ALU ORGANISATION An ALU performs simple arithmetic and logic operation as well as shift operations. Complexity of an ALU relies on the type of instruction set for that it has b
How can we declare a table control in the ABAP/4 program? Using the syntax controls type tableview using screen .
What is the function of CU? The control unit works as the nerve center that coordinates all the computer operations. It issues timing signals that governs the data transfer.
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