PIC16LC925T-I/CL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LC925T-I/CL

64/68-Pin CMOS Microcontrollers with LCD Driver

Microchip Technology 

PIC16C925/926

RRF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Rotate Right f through Carry

[ label ] RRF f [,d]

0 ≤ f ≤ 127

d ∈ [0,1]

See description below

C

00 1100 dfff ffff

The contents of register ’f’ are rotated

one bit to the right through the Carry

Flag. If ’d’ is 0, the result is placed in

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

placed back in register ’f’.

C

Register f

Words:

Cycles:

Q Cycle Activity:

1

1

Q1 Q2 Q3

Q4

Decode

Read

register

’f’

Process Write to

data destination

Example

RRF

REG1,0

Before Instruction:

REG1 = 1110 0110

C

=0

After Instruction:

REG1 = 1110 0110

W

= 0111 0011

C

=0

SLEEP

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Words:

Cycles:

Q Cycle Activity:

[ label ] SLEEP

None

00h → WDT,

0 → WDT prescaler,

1 → TO,

0 → PD

TO, PD

00 0000 0110

0011

The power-down status bit, PD is

cleared. Time-out status bit, TO is

set. Watchdog Timer and its

prescaler are cleared.

The processor is put into SLEEP

mode with the oscillator stopped.

See Section 12.8 for more details.

1

1

Q1 Q2

Q3 Q4

Decode

No

No

Operation Operation

Go to

Sleep

Example:

SLEEP

DS39544A-page 128

Preliminary

 2001 Microchip Technology Inc.

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