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: Typically takes 4 T-states (or 6 for complex instructions). The MPU reads the instruction code from memory. Memory Read/Write Cycles : Typically take 3 T-states. Slide 7: Interrupt Structure
A staple of Gaonkar's curriculum is understanding the multi-functioning pins of the 40-pin DIP. Grouping them by function on your slide ensures high readability.
If you are an educator looking to build a new presentation from scratch, structure your PPT in the following Gaonkar-approved sequence:
: The total time required to fetch, decode, and execute an instruction. microprocessor 8085 ppt by gaonkar new
This 8-bit register indicates the status of the ALU after an operation: Set if the result is negative. Z (Zero): Set if the result is zero. AC (Auxiliary Carry): Used for BCD arithmetic. P (Parity): Set if the number of 1s is even. CY (Carry): Set if an operation generates a carry out. Pin Diagram and Signals
Works in tandem with the temporary register and the Flag Register. 3. Flag Register
The Indian Institutes of Technology (IITs) often use Gaonkar as a reference. NPTEL archives contain structured courses on the Intel 8085A that align perfectly with Gaonkar's flow, covering states of the microprocessor, pin configuration, and unspecified opcodes. : Typically takes 4 T-states (or 6 for complex instructions)
By using this PPT, educators can deliver clearer lectures, and students can grasp the timeless concepts of microprocessors more effectively—paving the way for advanced studies in computer organization and embedded system design.
+-------------------------------------------------------+ | Microcomputer | | +--------------------+ +--------+ +-------+ | | | Microprocessor |<-->| Memory |<-->| I/O | | | | (ALU, Control, Reg)| | (RAM/ | | Ports | | | +--------------------+ | ROM) | +-------+ | | +--------+ | +-------------------------------------------------------+ 2. 8085 Hardware Architecture & Internal Specifications
Gaonkar groups the 8085 instruction set into functional categories and details how data is located. 1. Instruction Groups Slide 7: Interrupt Structure A staple of Gaonkar's
: All 8085 instructions can be grouped into five main types :
TRAP (Non-maskable), RST 7.5, RST 6.5, RST 5.5, INTR.