PIC18F248-E/L MICROCHIP [Microchip Technology], PIC18F248-E/L Datasheet - Page 289

• Manufacturer Part Number: PIC18F248-E/L
• Description: 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

25.2
ADDLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
© 2006 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Decode
Instruction Set
W
W
Q1
=
=
ADD Literal to W
[ label ] ADDLW
0
(W) + k
N, OV, C, DC, Z
The contents of W are added to the 8-bit
literal ‘k’ and the result is placed in W.
1
1
0x10
0x25
literal ‘k’
ADDLW
0000
k
Read
Q2
255
W
0x15
1111
Process
Data
Q3
k
kkkk
Write to W
Q4
kkkk
ADDWF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
W
REG
W
REG
Q1
=
=
=
=
register ‘f’
ADD W to f
[ label ] ADDWF
0
d
a
(W) + (f)
N, OV, C, DC, Z
Add W to register ‘f’. If ‘d’ is ‘0’, the
result is stored in W. If ‘d’ is ‘1’, the
result is stored back in register ‘f’
(default). If ‘a’ is ‘0’, the Access Bank
will be selected. If ‘a’ is ‘1’, the BSR is
used.
1
1
ADDWF
Read
0010
Q2
f
[0,1]
[0,1]
0x17
0xC2
0xD9
0xC2
255
PIC18FXX8
dest
01da
REG, W
Process
Data
Q3
DS41159E-page 287
f [,d [,a]]
ffff
destination
Write to
Q4
ffff