PIC16F88

Manufacturer Part NumberPIC16F88
ManufacturerMicrochip Technology Inc.
PIC16F88 datasheet
 
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RETFIE
Return from Interrupt
Syntax:
[ label ]
RETFIE
Operands:
None
Operation:
TOS
PC,
1
GIE
Status Affected:
None
RETLW
Return with Literal in W
Syntax:
[ label ]
RETLW k
Operands:
0
k
255
Operation:
k
(W);
TOS
PC
Status Affected:
None
Description:
The W register is loaded with the
eight-bit literal ‘k’. The program
counter is loaded from the top of
the stack (the return address).
This is a two-cycle instruction.
RETURN
Return from Subroutine
Syntax:
[ label ]
RETURN
Operands:
None
Operation:
TOS
PC
Status Affected:
None
Description:
Return from subroutine. The stack
is POPed and the top of the stack
(TOS) is loaded into the program
counter. This is a two-cycle
instruction.
 2005 Microchip Technology Inc.
PIC16F87/88
RLF
Rotate Left f through Carry
Syntax:
[ label ]
RLF
f,d
Operands:
0
f
127
d
[0,1]
Operation:
See description below
Status Affected:
C
Description:
The contents of register ‘f’ are
rotated one bit to the left through
the Carry flag. If ‘d’ = 0, the result
is placed in the W register. If
‘d’ = 1, the result is stored back in
register ‘f’.
C
Register f
RRF
Rotate Right f through Carry
Syntax:
[ label ]
RRF f,d
Operands:
0
f
127
d
[0,1]
Operation:
See description below
Status Affected:
C
Description:
The contents of register ‘f’ are
rotated one bit to the right through
the Carry flag. If ‘d’ = 0, the result
is placed in the W register. If
‘d’ = 1, the result is placed back in
register ‘f’.
C
Register f
SLEEP
Sleep
Syntax:
[ label ]
SLEEP
Operands:
None
Operation:
00h
WDT,
0
WDT prescaler,
1
TO,
0
PD
Status Affected:
TO, PD
Description:
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.
DS30487C-page 155