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Intel 80286 User Manual

Intel 80286
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BASIC INSTRUCTION SET
3.12.2.4
DATA TRANSFER INSTRUCTIONS
The data transfer instructions move operands among the registers and between a register and memory.
This group includes the load, store, and exchange instructions.
3.12.2.5
CONSTANT INSTRUCTIONS
Each of the constant instructions loads a commonly used constant into an
NPX
register. The values
have a real precision of 64 bits and are accurate to approximately
19
decimal places. The constants
loaded by these instructions include 0,
1,
Pi, log.
10,
log2
e,
10glO
2, and
log
2
•.
3-31
pcjs.org

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Intel 80286 Specifications

General IconGeneral
Processor TypeMicroprocessor
Clock Speed6 MHz to 25 MHz
Transistor Count134, 000
Addressable Memory16 MB
Instruction Setx86
Architecturex86
Data Bus Width16-bit
Address Bus Width24-bit
Operating ModesReal mode, Protected mode
Process Technology1.5 µm
Voltage5V
Introduced1982
Package68-pin PGA

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