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PIC18LF4331-E/ML Datasheet(PDF) 307 Page - Microchip Technology

Part # PIC18LF4331-E/ML
Description  28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
PDF  392 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18LF4331-E/ML Datasheet(HTML) 307 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS39616D-page 307
PIC18F2331/2431/4331/4431
LFSR
Load FSR
Syntax:
[ label ]
LFSR f,k
Operands:
0
 f  2
0
 k  4095
Operation:
k
 FSRf
Status Affected:
None
Encoding:
1110
1111
1110
0000
00ff
k7kkk
k11kkk
kkkk
Description:
The 12-bit literal ‘k’ is loaded into the
file select register pointed to by ‘f’.
Words:
2
Cycles:
2
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read literal
‘k’ MSB
Process
Data
Write
literal ‘k’
MSB to
FSRfH
Decode
Read literal
‘k’ LSB
Process
Data
Write literal
‘k’ to FSRfL
Example:
LFSR 2, 0x3AB
After Instruction
FSR2H
=
0x03
FSR2L
=
0xAB
MOVF
Move f
Syntax:
[ label ]
MOVF
f [,d [,a]]
Operands:
0
 f  255
d
 [0,1]
a
 [0,1]
Operation:
f
 dest
Status Affected:
N, Z
Encoding:
0101
00da
ffff
ffff
Description:
The contents of register, ‘f’, are moved
to a destination dependent upon the
status of ‘d’. If ‘d’ is ‘0’, the result is
placed in W. If ‘d’ is ‘1’, the result is
placed back in register, ‘f’. Location, ‘f’,
can be anywhere in the 256-byte bank.
If ‘a’ is ‘0’, the Access Bank will be
selected, overriding the BSR value. If
‘a’ = 1, then the bank will be selected as
per the BSR value.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register ‘f’
Process
Data
Write
W
Example:
MOVF
REG, W
Before Instruction
REG
=
0x22
W=
0xFF
After Instruction
REG
=
0x22
W
=
0x22



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