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What are the features used mode 1 in 8255?
Two groups - group A and group B are available for stored data transfer.
1. Each group have one 8-bit data I/O port and one 4-bit control/data port.
2. The 8-bit data port can be either used as input or output port. The inputs and outputs both are latched.
3. Out of 8-bit port C, PC0-PC2 is used to produce control signals for port B and PC3=PC5 are used to produce control signals for port A. The lines PC6, PC7 may be used as independent data lines.
What are program-invisible registers? The local and global descriptor tables are determined into the memory system. So as to access and give the address of these tables, the pr
Q. Explain working of TTL NAND gate? The TTL logic family uses only transistors instead of a combination of transistors and diodes. TTL has the same high and low ranges as DTL.
Name the 6 modes of operations of an 8253 programmable interval timer. Mode 0: interrupt on terminal count Mode 1: hardware re -triggerable one-shot Mode 2: rate generato
(a) Which one of the four digital-to-analog conversion techniques (ASK, FSK, PSK or QAM) is most susceptible to noise? Explain your answer. (b) Given the bit pattern 01001110,
For a vehicle suspension, a basic two-degree-of-freedom "quarter-car" model would be slightly more complicated than the spring-mass-damper system I chose to study in Figure 1. The
If a current is passed through a coil, it creates a flux within the coil. Any attempt to change this flux will create a back emf that acts to oppose the change. Consider again
Load Balancing and Load Management It has been observed in which the load on all three phases of a distribution line and between the feeders is not balanced. This output in in
1) Draw the state diagram for the state machine described by Table 7.5 in the text. Note, the table shows the transition to the next state S* from the current state S for the next
Differentiate between LBM and EBM process on the basis of application and limitations.
what is crossmagnetisation in dc generator
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