PIC18C242 MICROCHIP [Microchip Technology], PIC18C242 Datasheet - Page 215
PIC18C242
Manufacturer Part Number
PIC18C242
Description
High-Performance Microcontrollers with 10-Bit A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18C242.pdf
(296 pages)
Available stocks
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Quantity
Price
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Part Number:
PIC18C242-I/SO
Manufacturer:
MICROCHIP
Quantity:
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Part Number:
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Manufacturer:
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Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
LFSR
7/99 Microchip Technology Inc.
After Instruction
Decode
Decode
FSR2H
FSR2L
Q1
Read literal
Read literal
Load FSR
[ label ]
0
0
k
None
The 12-bit literal ’k’ is loaded into
the file select register pointed to
by ’f’
2
2
’k’ MSB
LFSR 2, 0x3AB
’k’ LSB
1110
1111
Q2
=
=
f
k
FSRf
2
4095
0x03
0xAB
LFSR f,k
1110
0000
Process
Process
Data
Data
Q3
k
00ff
7
kkk
’k’ to FSRfL
Write literal
literal ’k’
MSB to
FSRfH
Write
Q4
k
kkkk
11
kkk
Preliminary
MOVF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Before Instruction
After Instruction
Decode
REG
WREG
REG
WREG
Q1
register ’f’
Move f
[ label ]
0
d
a
f
N,Z
The contents of register ’f’ is moved
to a destination dependent upon
the status of ’d’. If 'd' is 0, the result
is placed in WREG. If 'd' is 1, the
result is placed back in register 'f'
(default). Location 'f' can be any-
where 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
(default).
1
1
MOVF
Read
0101
Q2
=
=
=
=
f
[0,1]
[0,1]
dest
PIC18CXX2
255
0x22
0xFF
0x22
0x22
REG, 0, 0
MOVF f,d,a
00da
Process
Data
Q3
DS39026B-page 215
ffff
WREG
Write
Q4
ffff
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