PIC18LF4331T-IP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4331T-IP

28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

Microchip Technology 

PIC18F2331/2431/4331/4431

24.2 Instruction Set

ADDLW

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Q Cycle Activity:

Q1

Decode

ADD Literal to W

[ label ] ADDLW k

0  k  255

(W) + k  W

N, OV, C, DC, Z

0000 1111 kkkk kkkk

The contents of W are added to the

8-bit literal ‘k’ and the result is placed in

W.

1

1

Q2

Read

literal ‘k’

Q3

Process

Data

Q4

Write to

W

Example:

ADDLW

Before Instruction

W = 0x10

After Instruction

W = 0x25

0x15

ADDWF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Q Cycle Activity:

Q1

Decode

ADD W to f

[ label ] ADDWF

0  f  255

d  [0,1]

a  [0,1]

(W) + (f)  dest

N, OV, C, DC, Z

f [,d [,a]]

0010 01da ffff ffff

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

Q2

Read

register ‘f’

Q3

Process

Data

Q4

Write to

destination

Example:

ADDWF

Before Instruction

W

= 0x17

REG = 0xC2

After Instruction

W

=

REG =

0xD9

0xC2

REG, W

 2010 Microchip Technology Inc.

DS39616D-page 289

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