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Discuss DMA operation in brief.
The fundamental idea of DMA is to transfer blocks of data directly among memory and peripherals. The data don't suffer the microprocessor but the data bus is involved. "Normal" transfer of one data byte engages in to 29 clock cycles. The DMA transfer needs only 5 clock cycles.
Today, DMA can transfer data as fast as 60 M byte per second. The transfer rate is restricted by the speed of peripheral and memory devices.
8237 DMA controller
what is the purpose of superposition theorem
List the addressing modes supported by 8051. 1. Register addressing 2. Direct addressing 3. Register indirect addressing 4. Immediate addressing 5.Register addres
There are zillions of things in electronics known as encoders. You can look up LCDs and NAND gates as well and this is actual basics.
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
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