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AT75C Datasheet(PDF) 97 Page - ATMEL Corporation

Part # AT75C
Description  Smart Internet Appliance Processor (SIAP)
PDF  171 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT75C Datasheet(HTML) 97 Page - ATMEL Corporation

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AT75C DSP Subsystem
1368C–INTAP–08/02
OR – Logical Or
Syntax:
or operand, aX
Operation:
If the operand is aX or p:
aX[35:0] or operand –
> aX[35:0]
If operand is REG, (rN), unsigned short immediate, long immediate:
aX[15:0] or operand –
> aX[15:0]
aX[35:16] –
> aX[35:16]
If the operand is one of the aX-accumulators or the shifted p register, it
is ORed with the destination accumulator.
If the operand is a 16-bit register or an immediate value, the operand is
zero-extended to form a 36-bit operand, then ORed with the accumula-
tor. Consequently, the upper bits of the accumulator are unaffected by
this instruction.
Operands:
REG
(rN)
direct address
[##direct address]
#unsigned short immediate
##long immediate
(rb + #offset7)
(rb + ##offset)
Affected Flags:
Cycles:
1
2 when the instruction is coded on two words
Words:
1
2 when the operand is
##long immediate, (rb + ##offset), or [##direct
address].
Notes:
The REG cannot be bX.
Z
M
NVCE
L
R
xxx
–
–
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