8255 A Block Diagram. Let us first take a look at the pin diagram of intel 8255a. Module ii.
Time domain analysis routh stability criterion module iv. An 8085 microprocessor has a 16 bit address bus. In this we are using switches one is start for starting of the game.
List the alternate functions of various pins of port 3 of 8051.
Static and dynamic memories vector interrupt table interrupt service routine introduction to dos bios interrupts programmable interrupt. The knowledge of timing diagram is essential for system designer to select matched peripheral devices like memories latches. Data is transmitted or received by the buffer as per the instructions by the cpu. Now let us discuss the functional description of the pins in 8255a.