PIC18F2420-I/SP Microchip Technology Inc., PIC18F2420-I/SP Datasheet - Page 281
PIC18F2420-I/SP
Manufacturer Part Number
PIC18F2420-I/SP
Description
28 Pin, 16 KB Flash, 768 RAM, 25 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F2420-ISP.pdf
(388 pages)
Specifications of PIC18F2420-I/SP
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 SPDIP
Programmable Memory
16K Bytes
Ram Size
768 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2420-I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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LFSR
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
2003 Microchip Technology Inc.
Q Cycle Activity:
After Instruction
Decode
Decode
FSR2H
FSR2L
Q1
Read literal
Read literal
Load FSR
[ label ]
0
0
k
None
The 12-bit literal ‘k’ is loaded into
the file select register pointed to
by ‘f’.
2
2
‘k’ MSB
LFSR 2, 0x3AB
‘k’ LSB
1110
1111
Q2
=
=
f
k
FSRf
2
4095
0x03
0xAB
LFSR f,k
1110
0000
Process
Process
Data
Data
Q3
k
00ff
7
kkk
‘k’ to FSRfL
Write literal
literal ‘k’
MSB to
PIC18F2220/2320/4220/4320
FSRfH
Write
Q4
k
kkkk
11
kkk
MOVF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
REG
W
REG
W
Q1
register ‘f’
Move f
[ label ]
0
d
a
f
N, Z
The contents of register ‘f’ are
moved to a destination dependent
upon the status of ‘d’. If ‘d’ is ‘0’, the
result is placed in W. If ‘d’ is ‘1’, the
result is placed back in register ‘f’
(default). Location ‘f’ can be any-
where in the 256-byte bank. 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
MOVF
Read
0101
Q2
=
=
=
=
f
[0,1]
[0,1]
dest
255
0x22
0xFF
0x22
0x22
REG, W
MOVF
00da
Process
Data
Q3
DS39599C-page 279
f [,d [,a]]
ffff
Write W
Q4
ffff
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