User's Manual
80286
BASE ARCHITECTURE
7 0
SI~~~~
II
I I I 1 I I I
SIGN
BIT
-lj
I
MAGNITUDE
7 0
UNSI~~~~
I I I I I I
II
I
ILMSB I
MAGNITUDE
1514
+ 1
87
0 0
s~~~g
II
Ii
I I
II
I
Ii
I I
Ii
I I
SIGN
BIT
-I
j
L-
MSB
1
MAGNITUDE
31
+3 +2
1615
+ 1 0 0
SIGNED
D~~~~
11"
II
II
II
I I
II
I I I
Ii
I
III
I
II II
III
I I
SIGN
BIT
...I
IL
MSB
1
MAGNITUDE
+7
+6 +5
+4 +3
+2
+1
0
63
4847
3231
1615
0
SIGNED
QUAD
II
WORD'
I
I I I
SIGN
BIT
JIL
MSB
MAGNITUDE
~
+1
0 0
UNS~~~g
1:1
I
II
11I1
I
II
1 I 1 I
I
MSB
I
MAGNITUDE
7
+N
0
~~~~61'iiliijl
DECIMAL
I..
___
-'.
(BCD)
DI~7~
N
7
+N
0
ASCIIIIIIIIIII
ASCII
CHARACTER
N
7
+N
0
PAC~~g
II
I I
II
I I I
MOST
SIGNIFICANT
DIGIT
7
+1
07
0 0
II
ill
Iii
11111"1
I
BCD BCD
DIGIT
1
DIGIT
0
7
+1
07
0 0
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ASCII
ASCII
CHARACTER
,
CHARACTER
O
7
+1
07
0 0
I i
Ii
Iii
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II
I I
I"
i I
LEAST
SIGNIFICANT
DIGIT
7/15+
N
0
7/15+
1
07/15
0
0
STRING
I I
II II
III
I I I I
III
I
II
I I
III
I I
BYTE/WORD
N
BYTE/WORD
1
BYTE/WORD
0
31
+3
+2
1615
+ 1 0 0
POINTER
I I i I
II
I I
II
I I
II
I I
II
I I
II
i I
II
I I I 1 I I I
I I
SELECTOR
OFFSET
79
+9
+8
+7 +6 +5
+4 +3
+2
+1
FLOATING
II
POINT'
SIGN
BIT
...II
EXPONENT
MAGNITUDE
0
0
I
Figure
2ยท3.
80286/80287
Supported
Data
Types
2-5
'SUPPORTED
BY
80287
NUMERIC
DATA
PROCESSOR
CONFIGURATION
G30108