PIC18FXX20
MOVLW
Move literal to W
MOVWF
Move W to f
Syntax:
[ label ] MOVLW k
0 ≤ k ≤ 255
k → W
Syntax:
Operands:
[ label ] MOVWF f [,a]
0 ≤ f ≤ 255
a ∈ [0,1]
(W) → f
None
Operands:
Operation:
Status Affected:
Encoding:
Operation:
Status Affected:
Encoding:
None
0000
1110
kkkk
kkkk
0110
111a
ffff
ffff
Description:
The eight-bit literal 'k' is loaded into
W.
1
1
Description:
Move data from W to register 'f'.
Location 'f' can be anywhere in the
256-byte bank. If ‘a’ is 0, the
Access Bank will be selected, over-
riding the BSR value. If ‘a’ = 1, then
the bank will be selected as per the
BSR value (default).
Words:
Cycles:
Q Cycle Activity:
Q1
Q2
Q3
Q4
Write to W
Decode
Read
Process
literal 'k'
Data
Words:
Cycles:
1
1
MOVLW
0x5A
Example:
Q Cycle Activity:
Q1
After Instruction
Q2
Q3
Q4
Write
W
=
0x5A
Decode
Read
Process
register 'f'
Data
register 'f'
MOVWF
REG, 0
Example:
Before Instruction
W
=
0x4F
0xFF
REG
=
After Instruction
W
=
0x4F
0x4F
REG
=
2003 Microchip Technology Inc.
Advance Information
DS39609A-page 285