IS80C286-20 Intersil, IS80C286-20 Datasheet - Page 60

• Manufacturer Part Number: IS80C286-20
• Description: IC CPU 16BIT 5V 20MHZ 68-PLCC
• Manufacturer: Intersil

Specifications of IS80C286-20

• Processor Type: 80C286 16-Bit
• Speed: 20MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

80C286 Instruction Set Summary
FUNCTION
Indirect Intersegment
Protected Mode Only (Indirect Intersegment)
Protected Mode Only (Indirect Intersegment) (Continued)
JMP = Unconditional Jump
Short/Long
Direct Within Segment
Register/Memory Indirect
Within Segment
Direct Intersegment
Protected Mode Only
(Direct Intersegment)
Indirect Intersegment
Protected Mode Only (Indirect Intersegment)
Via Call Gate to Different
Privilege Level, X Param-
eters
Via TSS
Via Task Gate
Via Call Gate to Same
Privilege Level
Via Call Gate to Different
Privilege
Parameters
Via Call Gate to Different
Privilege Level, X Param-
eters
Via TSS
Via Task Gate
Via Call Gate to Same
Privilege Level
Via TSS
Via Task Gate
Level,
No
11101010 Segment Offset
FORMAT
11111111 mod
11101011 disp-low
11101001 disp-low
11111111 mod
11111111 mod
(Continued)
r/m
r/m
Segment Selector
r/m
011
100
101
disp-high
mod ≠ 11
mod ≠ 11
80C286
60
CLOCK COUNT
REAL
ADDRES
S
MODE
16 + m
(Note 59)
7 + m
7 + m
7 + m,
11 + m
(Note 59)
11 + m
15 + m
(Note 59)
PRO-
TECTED
VIRTUAL
ADDRESS
MODE
86 + 4x + m
177 + m
182 + m
29 + m
(Note 59)
44 + m
(Note 59)
83 + m
(Note 59)
90 + 4x + m
(Note 59)
180 + m
(Note 59)
185 + m
(Note 59)
7 + m
7 + m
7 + m,
11 + m
(Note 59)
23 + m
38 + m
175 + m
180 + m
26 + m
(Note 59)
COMMENTS
REAL
ADDRES
S
MODE
2
2
2
PRO-
TECTED
VIRTUAL
ADDRESS
MODE
8, 11, 12, 18
8, 11, 12, 18
8, 11, 12, 18
8, 9, 11, 12,
18
8, 9, 11, 12,
18
8, 9, 11, 12,
18
8, 9, 11, 12,
18
8, 9, 11, 12,
18
8, 9, 11, 12,
18
18
18
9, 18
11, 12, 18
8, 11,12,18
8, 11,12,18
8, 11,12,18
8, 9, 11, 12,
18