PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 309
PIC18F6621-I/PT
Manufacturer Part Number
PIC18F6621-I/PT
Description
64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F6621-IPT.pdf
(396 pages)
Specifications of PIC18F6621-I/PT
A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
54
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
64-pin TQFP
Programmable Memory
64K Bytes
Ram Size
3.8K Bytes
Speed
40 MHz
Timers
2-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6621-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F6621-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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RETURN
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
2005 Microchip Technology Inc.
Q Cycle Activity:
After Interrupt
operation
Decode
PC = TOS
No
Q1
operation
operation
Return from Subroutine
[ label ]
s ∈ [0,1]
(TOS) → PC;
if s = 1
(WS) → W;
(STATUSS) → STATUS;
(BSRS) → BSR;
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
RETURN [s]
0000
operation
Process
Data
No
Q3
0001
from stack
operation
Pop PC
PIC18F6525/6621/8525/8621
No
Q4
001s
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’
Rotate Left f through Carry
[ label ]
0 ≤ f ≤ 255
d ∈ [0,1]
a ∈ [0,1]
(f<n>) → dest<n + 1>;
(f<7>) → C;
(C) → dest<0>
C, N, Z
The contents of register ‘f’ are rotated
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
will be selected, overriding the BSR
value. If ‘a’ = 1, then the bank will be
selected as per the BSR value (default).
1
1
RLCF
Read
Q2
0011
1110 0110
0
1110 0110
1100 1100
1
C
RLCF
01da
Process
REG, 0, 0
Data
Q3
register f
DS39612B-page 307
f [,d [,a]
ffff
destination
Write to
Q4
ffff
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