PIC16C925SLASHCL datasheet(118/182 Pages) MICROCHIP

118 / 182 page

PIC16C925/926

DS39544A-page 116

Preliminary

 2001 Microchip Technology Inc.

ANDLW

AND Literal with W

Syntax:

[ label ] ANDLW

Operands:

≤ k ≤ 255

Operation:

(W) .AND. (k)

→ (W)

Status Affected:

Encoding:

1001

kkkk

Description:

The contents of W register are

AND’ed with the eight-bit literal 'k'.

The result is placed in the W

Words:

Cycles:

Q Cycle Activity:

Decode

Read

literal ‘k’

Process

data

Write to

Example

ANDLW

0x5F

Before Instruction:

0xA3

After Instruction:

0x03

ANDWF

AND W with f

Syntax:

[ label ] ANDWF

f [,d]

Operands:

≤ f ≤ 127

∈ [0,1]

Operation:

(W).AND. (f)

→ (destination)

Status Affected:

Encoding:

0101

dfff

ffff

Description:

AND the W register with register ’f’.

If ’d’ is 0, the result is stored in the

W register. If ’d’ is 1, the result is

stored back in register ’f’.

Words:

Cycles:

Q Cycle Activity:

Decode

Read

'f'

Process

data

Write to

destination

Example

ANDWF

FSR,

Before Instruction:

0x17

FSR

0xC2

After Instruction

0x17

FSR

0x02

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