It gives compatative difference of 8085,8086,80286 as per shivaji university,Kolhapur

1. Comparative Study of
8085,8086,80286
By P.P.K. BVCOEK 1

2. 1. Features
2. Architecture/Block Diagram
i. Register Organization
3. Pin Out Diagram
4. Modes Of Operation
By P.P.K. BVCOEK 2

3. Features Comparison
Properties 8085 8086 80286
Address
Lines/Bus=n
16 20 24
Data Lines/Bus 8 16 16
How much bit? 8 bit 16 bit 16 bit
Register Size 8=A,B 16=AX,BX 16=AX,BX
Memory=2^n 64KB 1MB 16MB
Pin Configuration 40 40 68
Power required +5V +5V +5V
Frequency 3MHz 10MHz 12.5MHz
Mode Of Operation Single Minimum,
Maximum
Real addressing
mode,Protected
Virtual Address
ModeBy P.P.K. BVCOEK 3

4. 8085 8086 80286
By P.P.K. BVCOEK 4

5. Register Organization
8085 8086 80286
By P.P.K. BVCOEK 5

6. Pin Out Comparision
8085 8086 80286
By P.P.K. BVCOEK 6

7. Modes Of Operation
8085 8086 80286
Single Mode Two Modes Two Modes
i. Minimum Mode i. Real Addressing Mode
ii. Maximum Mode ii. Protected Virtual
Addressing Mode
In Minimum Mode of 8086=Single Mode of 8085
In Maximum Mode of 8086=Using full of its Capability
In Minimum Mode of 80286=Same as 8086
In Maximum Mode of 80286=Using full of its Capability
By P.P.K. BVCOEK 7