4. Microprocessor
Contents
Microprocessor is a digital
electronic device use for
process the mathematics
calculation, Logic Operation,
Store. Microprocessor is
manufacture in the form of
Integrated circuit (IC) chip.
4
7. Microcomputer System and
Microcontroller comparison7
Microcomputer System Microcontroller
Processor ALU
Memory (RAM) Memory (Internal RAM)
Operating system (Hard drive) Program memory (Flash ROM)
Peripheral Devices Port
19. MCS-51 Family Microcontroller Operation
Concept
19
Digital System (Every thing is NUMBER)
Cell Memory concept
Read Program from Program Memory
Operate
Use Data Memory as tools for operation
20. Program memory and Data memory
20
Central
Processing Unit
(CPU)
Address bus
Data bus
Address bus
Data bus
Program Memory (ROM) Data Memory
(RAM)
30. Basic Assembly Instruction
30
Copy value for some memory cell
MOV A, #54H
MOV A, P2
MOV P3.1, C
Increase / Decrease
INC R1
DEC Acc
Exchange value between two cells
XCH A, R2
Program Control (Jumping)
JMP LabelName
31. Applications
31
Display to LED
Single LED
7-segments
Matrix LED Display
Drive small load
Driving Relay
Servomotor
Stepper motor
LCD Display
Communication with other digital devices