PIC18F2520-I/SO Microchip Technology Inc., PIC18F2520-I/SO Datasheet - Page 301
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F2520-I/SO
Manufacturer Part Number
PIC18F2520-I/SO
Description
28 Pin, 32 KB Flash, 1536 RAM, 25 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F2520-ISO.pdf
(390 pages)
Specifications of PIC18F2520-I/SO
A/d Inputs
10-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
25
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SOIC
Programmable Memory
32K Bytes
Ram Size
1.5K Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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RETURN
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
2004 Microchip Technology Inc.
Q Cycle Activity:
After Instruction:
operation
Decode
PC = TOS
Q1
No
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
operation
operation
RETURN
0000
Q2
No
No
[0,1]
W,
PC,
BSR,
0000
operation
Process
Status,
Data
Q3
No
0001
from stack
operation
POP PC
PIC18F2420/2520/4420/4520
Q4
No
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
“Byte-Oriented and Bit-Oriented
Instructions in Indexed Literal Offset
Mode” for details.
1
1
RLCF
RLCF
Read
0011
Q2
95 (5Fh). See Section 24.2.3
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
DS39631A-page 299
register f
ffff
destination
Write to
Q4
ffff
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