PIC18F25J11-I/PT MICROCHIP [Microchip Technology], PIC18F25J11-I/PT Datasheet - Page 435
PIC18F25J11-I/PT
Manufacturer Part Number
PIC18F25J11-I/PT
Description
28/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F25J11-IPT.pdf
(528 pages)
- Current page: 435 of 528
- Download datasheet (9Mb)
NEGF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
© 2009 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Decode
REG
REG
Q1
=
=
register ‘f’
Negate f
NEGF
0 ≤ f ≤ 255
a ∈ [0,1]
(f) + 1 → f
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 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 26.2.3 “Byte-Oriented and
Bit-Oriented Instructions in Indexed
Literal Offset Mode” for details.
1
1
NEGF
Read
0110
Q2
0011 1010 [3Ah]
1100 0110 [C6h]
f {,a}
REG, 1
110a
Process
Data
Q3
ffff
register ‘f’
Write
Q4
ffff
PIC18F46J11 FAMILY
NOP
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
None.
Decode
Q1
operation
No Operation
NOP
None
No operation
None
No operation.
1
1
0000
1111
No
Q2
0000
xxxx
operation
No
Q3
DS39932C-page 435
0000
xxxx
operation
No
Q4
0000
xxxx
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