PIC18F2331-E/ML MICROCHIP [Microchip Technology], PIC18F2331-E/ML Datasheet - Page 289

• Manufacturer Part Number: PIC18F2331-E/ML
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

24.2
ADDLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
 2010 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Decode
Instruction Set
W
W
Q1
=
=
0x10
0x25
literal ‘k’
ADD Literal to W
[ label ] ADDLW
0  k  255
(W) + k  W
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
ADDLW
Read
0000
Q2
0x15
1111
Process
Data
Q3
k
kkkk
Write to
PIC18F2331/2431/4331/4431
Q4
W
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  f  255
d  [0,1]
a  [0,1]
(W) + (f)  dest
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’. If ‘a’
is ‘0’, the Access Bank will be selected.
If ‘a’ is ‘1’, the BSR is used.
1
1
ADDWF
Read
0010
Q2
0x17
0xC2
0xD9
0xC2
01da
REG, W
Process
Data
Q3
DS39616D-page 289
f [,d [,a]]
ffff
destination
Write to
Q4
ffff