PIC18C242 MICROCHIP [Microchip Technology], PIC18C242 Datasheet - Page 219
PIC18C242
Manufacturer Part Number
PIC18C242
Description
High-Performance Microcontrollers with 10-Bit A/D
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18C242.pdf
(296 pages)
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Quantity
Price
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Part Number:
PIC18C242-I/SO
Manufacturer:
MICROCHIP
Quantity:
2 000
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Part Number:
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Manufacturer:
NS
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NEGF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
7/99 Microchip Technology Inc.
Before Instruction
After Instruction
Decode
REG
REG
Q1
=
=
register ’f’
Negate f
[ label ]
0
a
( f ) + 1
N,OV, C, DC, Z
Location ’f’ is negated using two’s
complement. The result is placed in
the data memory location 'f'. 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.
1
1
NEGF
Read
0110
Q2
0011 1010 [0x3A]
1100 0110 [0xC6]
f
[0,1]
255
NEGF
REG, 1
f
110a
Process
Data
Q3
f,a
ffff
register ’f’
Write
Q4
ffff
Preliminary
NOP
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example:
Decode
None.
Q1
operation
No Operation
[ label ]
None
No operation
None
No operation.
1
1
0000
1111
No
Q2
PIC18CXX2
NOP
0000
xxxx
operation
No
Q3
DS39026B-page 219
0000
xxxx
operation
No
Q4
0000
xxxx
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