12-02-2016, 03:35 PM
1. Microprocessor Architecture .
Intel 8085-Architecture blocks diagram functions of ALU, timing and control unit, registers, data, address and control buses Pin configuration and function of various pins, flags. Instruction cycle-Fetch and execute operation. M/C cycle and state Timing Diagram- opcode fetch cycle, memory read and write operation. Memory organization,
memory map and address, Basic concepts of memory interfacing, Address decoding and memory address.
2. Microprocessor Instruction.
Instruction set, Instruction, classification, Instruction word size, Addressing modes
Detailed instruction-Data transfer Instruction, Arithmetic instructions, Logic instructions, Branch instructions,Machine control instructions.
3. Programming concepts
Programming techniques-Looping, counting, indexing Use of counters and time delays Use of stock and subroutines.
4. Interfacing and data transfer scheme
Memory mapped I/O and I/O mapped I/O Synchronous and asynchronous data transfer, microprocessor controlled data transfer and peripheral controlled data transfer.
5. Interrupts
Interrupts process, Mask able in non mask able interrupt, interrupt priority, RIM and SIM instructions.
6. Supporting chips: 8251, 8253, 8254,8255,8257,8259.