PIC16LC925T-I/CL 查看數據表（PDF） - Microchip Technology

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PIC16LC925T-I/CL

64/68-Pin CMOS Microcontrollers with LCD Driver

Microchip Technology 

PIC16C925/926

CLRF

Clear f

Syntax:

Operands:

Operation:

Status Affected:

[ label ] CLRF f

0 ≤ f ≤ 127

00h → (f)

1→Z

Z

Encoding:

00 0001 1fff ffff

Description:

The contents of register ’f’ are

cleared and the Z bit is set.

Words:

1

Cycles:

Q Cycle Activity:

1

Q1

Q2

Q3

Q4

Decode

Read

register

’f’

Process

data

Write

register

’f’

Example

CLRF

Before Instruction:

FLAG_REG =

After Instruction:

FLAG_REG =

Z

=

FLAG_REG

0x5A

0x00

1

CLRW

Clear W

Syntax:

[ label ] CLRW

Operands:

None

Operation:

00h → (W)

1→Z

Status Affected: Z

Encoding:

00

0001 0xxx xxxx

Description:

W register is cleared. Zero bit (Z) is

set.

Words:

1

Cycles:

Q Cycle Activity:

1

Q1

Q2

Q3 Q4

Decode

No Process Write to

Operation data

W

Example

CLRW

Before Instruction:

W = 0x5A

After Instruction:

W = 0x00

Z=1

 2001 Microchip Technology Inc.

Preliminary

DS39544A-page 119

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