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PIC18F4520E/SP Scheda tecnica(PDF) 295 Page - Microchip Technology

Il numero della parte PIC18F4520E/SP
Spiegazioni elettronici  28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PDF  390 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4520E/SP Scheda tecnica(HTML) 295 Page - Microchip Technology

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 2004 Microchip Technology Inc.
Preliminary
DS39631A-page 293
PIC18F2420/2520/4420/4520
MOVLW
Move literal to W
Syntax:
MOVLW k
Operands:
0
≤ k ≤ 255
Operation:
k
→ W
Status Affected:
None
Encoding:
0000
1110
kkkk
kkkk
Description:
The eight-bit literal ‘k’ is loaded into W.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
literal ‘k’
Process
Data
Write to W
Example:
MOVLW
5Ah
After Instruction
W=
5Ah
MOVWF
Move W to f
Syntax:
MOVWF
f {,a}
Operands:
0
≤ f ≤ 255
a
∈ [0,1]
Operation:
(W)
→ f
Status Affected:
None
Encoding:
0110
111a
ffff
ffff
Description:
Move data from W to register ‘f’.
Location ‘f’ can be anywhere in the
256-byte bank.
If ‘a’ is ‘0’, the Access Bank is selected.
If ‘a’ is ‘1’, the BSR is used to select the
GPR bank (default).
If ‘a’ is ‘0’ and the extended instruction
set is enabled, this instruction operates
in Indexed Literal Offset Addressing
mode whenever f
≤ 95 (5Fh). See
Section 24.2.3 “Byte-Oriented and
Bit-Oriented Instructions in Indexed
Literal Offset Mode” for details.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register ‘f’
Process
Data
Write
register ‘f’
Example:
MOVWF
REG, 0
Before Instruction
W=
4Fh
REG
=
FFh
After Instruction
W=
4Fh
REG
=
4Fh



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