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UPD70F3201 Datasheet(PDF) 55 Page - NEC

Part # UPD70F3201
Description  32-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD70F3201 Datasheet(HTML) 55 Page - NEC

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Preliminary Product Information U15436EJ1V0PM
55
µµµµPD703201, 703201Y, 703204, 703204Y, 70F3201, 70F3201Y, 70F3204, 70F3204Y
(3) Register symbols used in operation
Register Symbol
Explanation
Input for
GR [ ]
General-purpose register
SR [ ]
System register
zero-extend (n)
Expand n with zeros until word length.
sign-extend (n)
Expand n with signs until word length.
load-memory (a, b)
Read size b data from address a.
store-memory (a, b, c)
Write data b into address a in size c.
load-memory-bit (a, b)
Read bit b of address a.
store-memory-bit (a, b, c)
Write c to bit b of address a.
saturated (n)
Execute saturated processing of n (n is a 2’s complement).
If, as a result of calculations,
n
≥ 7FFFFFFFH, let it be 7FFFFFFFH.
n
≤ 80000000H, let it be 80000000H.
result
Reflects the results in a flag.
Byte
Byte (8 bits)
Half-word
Halfword (16 bits)
Word
Word (32 bits)
+
Addition
Subtraction
ll
Bit concatenation
×
Multiplication
÷
Division
%
Remainder from division results
AND
Logical product
OR
Logical sum
XOR
Exclusive OR
NOT
Logical negation
logically shift left by
Logical shift left
logically shift right by
Logical shift right
arithmetically shift right by
Arithmetic shift right
(4) Register symbols used in an execution clock
Register Symbol
Explanation
i
If executing another instruction immediately after executing the first instruction (issue).
r
If repeating execution of the same instruction immediately after executing the first instruction (repeat).
l
If using the results of instruction execution in the instruction immediately after the execution (latency).


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