PIC18F2480 MICROCHIP [Microchip Technology], PIC18F2480 Datasheet - Page 395
PIC18F2480
Manufacturer Part Number
PIC18F2480
Description
28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2480.pdf
(484 pages)
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RETURN
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
2004 Microchip Technology Inc.
Q Cycle Activity:
After Interrupt
operation
Decode
PC = TOS
No
Q1
operation
operation
Return from Subroutine
RETURN {s}
s
(TOS)
if s = 1
(WS)
(STATUSS)
(BSRS)
PCLATU, PCLATH are unchanged
None
Return from subroutine. The stack is
popped and the top of the stack (TOS)
is loaded into the program counter. If
‘s’= 1, the contents of the shadow
registers, WS, STATUSS and BSRS,
are loaded into their corresponding
registers, W, Status and BSR. If
‘s’ = 0, no update of these registers
occurs (default).
1
2
RETURN
0000
No
No
Q2
[0,1]
W,
PC,
BSR,
0000
operation
Process
Status,
Data
No
Q3
0001
from stack
operation
POP PC
PIC18F2480/2580/4480/4580
No
Q4
001s
Preliminary
RLCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
REG
C
REG
W
C
Q1
=
=
=
=
=
register ‘f’
(f<n>)
The contents of register ‘f’ are rotated
Rotate Left f through Carry
0
d
a
(f<7>)
(C)
C, N, Z
one bit to the left through the Carry
flag. If ‘d’ is ‘0’, the result is placed in
W. If ‘d’ is ‘1’, the result is stored back
in register ‘f’ (default).
If ‘a’ is ‘0’, the Access Bank is
selected. If ‘a’ is ‘1’, the BSR is used to
select the GPR bank (default).
If ‘a’ is ‘0’ and the extended instruction
set is enabled, this instruction
operates in Indexed Literal Offset
Addressing mode whenever
f 95 (5Fh). See Section 25.2.3
“Byte-Oriented and Bit-Oriented
Instructions in Indexed Literal Offset
Mode” for details.
1
1
RLCF
RLCF
Read
0011
Q2
1110 0110
0
1110 0110
1100 1100
1
f
[0,1]
[0,1]
dest<0>
255
C
dest<n + 1>,
C,
f {,d {,a}}
01da
Process
REG, 0, 0
Data
Q3
DS39637A-page 393
register f
ffff
destination
Write to
Q4
ffff
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