PIC18F24K20-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F24K20-I/SO

28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC18F2XK20/4XK20

IORLW

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Q Cycle Activity:

Q1

Decode

Inclusive OR literal with W

IORLW k

0  k  255

(W) .OR. k  W

N, Z

0000 1001 kkkk kkkk

The contents of W are ORed with the

eight-bit literal ‘k’. The result is placed in

W.

1

1

Q2

Read

literal ‘k’

Q3

Process

Data

Q4

Write to W

Example:

IORLW

35h

Before Instruction

W

= 9Ah

After Instruction

W

= BFh

IORWF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Q Cycle Activity:

Q1

Decode

Inclusive OR W with f

IORWF f {,d {,a}}

0  f  255

d  [0,1]

a  [0,1]

(W) .OR. (f)  dest

N, Z

0001 00da ffff ffff

Inclusive OR W with register ‘f’. If ‘d’ is

‘0’, the result is placed in W. If ‘d’ is ‘1’,

the result is placed back in register ‘f’

(default).

If ‘a’ is ‘0’, the Access Bank is selected.

If ‘a’ is ‘1’, the BSR is used to select the

GPR bank.

If ‘a’ is ‘0’ and the extended instruction

set is enabled, this instruction operates

in Indexed Literal Offset Addressing

mode whenever f 95 (5Fh). See

Section 24.2.3 “Byte-Oriented and

Bit-Oriented Instructions in Indexed

Literal Offset Mode” for details.

1

1

Q2

Read

register ‘f’

Q3

Process

Data

Q4

Write to

destination

Example:

IORWF RESULT, 0, 1

Before Instruction

RESULT = 13h

W

= 91h

After Instruction

RESULT = 13h

W

= 93h

DS41303G-page 338

 2010 Microchip Technology Inc.

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