PIC16F57-ESLASHSS datasheet(52/88 Pages) MICROCHIP

52 / 88 page

PIC16F5X

DS41213D-page 50

RLF

Rotate Left f through Carry

Syntax:

[ label ] RLF

f, d

Operands:

≤ f ≤ 31

∈ [0,1]

Operation:

See description below

Status Affected:

Encoding:

0011

01df

ffff

Description:

The contents of register ‘f’ are

rotated one bit to the left through

the Carry Flag (STATUS<0>). If ‘d’

is ‘0’, the result is placed in the W

stored back in register ‘f’.

Words:

Cycles:

Example:

RLF

REG1,0

Before Instruction

REG1

1110 0110

After Instruction

REG1

1110 0110

1100 1100

RRF

Rotate Right f through Carry

Syntax:

[ label ]

RRF f, d

Operands:

≤ f ≤ 31

∈ [0,1]

Operation:

See description below

Status Affected:

Encoding:

0011

00df

ffff

Description:

The contents of register ‘f’ are

rotated one bit to the right through

the Carry Flag (STATUS<0>). If ‘d’

is ‘0’, the result is placed in the W

placed back in register ‘f’.

Words:

Cycles:

Example:

RRF

REG1,0

Before Instruction

REG1

1110 0110

After Instruction

REG1

1110 0110

0111 0011

Sleep

Go into Standby Mode

Syntax:

[ label ] Sleep

Operands:

None

Operation:

00h

→ WDT;

→ WDT prescaler; if assigned

→ TO;

→ PD

Status Affected:

TO, PD

Encoding:

0000

0011

Description:

Time-out Status bit (TO) is set. The

power-down Status bit (PD) is

cleared. The WDT and its

prescaler are cleared.

The processor is put into Sleep

mode with the oscillator stopped.

See section on Sleep for more

details.

Words:

Cycles:

Example:

SLEEP

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