Datasheet

 2010 Microchip Technology Inc. DS39616D-page 309
PIC18F2331/2431/4331/4431
MOVLW Move Literal to W
Syntax: [ label ] MOVLW k
Operands: 0  k  255
Operation: k  W
Status Affected: None
Encoding: 0000 1110 kkkk kkkk
Description: The 8-bit literal, ‘k’, is loaded into W.
Words: 1
Cycles: 1
Q Cycle Activity:
Q1 Q2 Q3 Q4
Decode Read
literal ‘k’
Process
Data
Write to
W
Example:
MOVLW 0x5A
After Instruction
W = 0x5A
MOVWF Move W to f
Syntax: [ label ] MOVWF f [,a]
Operands: 0  f  255
a  [0,1]
Operation: (W)  f
Status Affected: None
Encoding: 0110 111a ffff ffff
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, overriding the
BSR value. If ‘a’ = 1, then the bank will
be selected as per the BSR value.
Words: 1
Cycles: 1
Q Cycle Activity:
Q1 Q2 Q3 Q4
Decode Read
register ‘f’
Process
Data
Write
register ‘f’
Example:
MOVWF REG
Before Instruction
W = 0x4F
REG = 0xFF
After Instruction
W = 0x4F
REG = 0x4F