PIC18LF4455-I/P Microchip Technology, PIC18LF4455-I/P Datasheet - Page 351
![IC PIC MCU FLASH 12KX16 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18LF4455-I/P
Manufacturer Part Number
PIC18LF4455-I/P
Description
IC PIC MCU FLASH 12KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PCM18XR1.pdf
(438 pages)
3.PIC18F2221-ISO.pdf
(46 pages)
4.PIC18F2455-ISO.pdf
(14 pages)
5.PIC18F2455-ISO.pdf
(8 pages)
6.PIC18F2455-ISO.pdf
(26 pages)
7.PIC18LF2455-ISO.pdf
(430 pages)
Specifications of PIC18LF4455-I/P
Core Size
8-Bit
Program Memory Size
24KB (12K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Controller Family/series
PIC18
No. Of I/o's
35
Eeprom Memory Size
256Byte
Ram Memory Size
2KB
Cpu Speed
48MHz
No. Of Timers
4
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, I2C, EAUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
35
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM163025
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18LF4455-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18LF4455-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PCM18XR1 PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2455-ISO PDF datasheet #4
- PIC18F2455-ISO PDF datasheet #5
- PIC18F2455-ISO PDF datasheet #6
- PIC18LF2455-ISO PDF datasheet #7
- Current page: 351 of 430
- Download datasheet (7Mb)
26.2
In addition to the standard 75 instructions of the PIC18
instruction set, PIC18F2455/2550/4455/4550 devices
also provide an optional extension to the core CPU
functionality. The added features include eight addi-
tional instructions that augment Indirect and Indexed
Addressing operations and the implementation of
Indexed Literal Offset Addressing mode for many of the
standard PIC18 instructions.
The additional features of the extended instruction set
are disabled by default. To enable them, users must set
the XINST Configuration bit.
The instructions in the extended set can all be
classified as literal operations, which either manipulate
the File Select Registers, or use them for Indexed
Addressing. Two of the instructions, ADDFSR and
SUBFSR, each have an additional special instantiation
for using FSR2. These versions (ADDULNK and
SUBULNK) allow for automatic return after execution.
The extended instructions are specifically implemented
to optimize re-entrant program code (that is, code that
is recursive or that uses a software stack) written in
high-level languages, particularly C. Among other
things, they allow users working in high-level
languages to perform certain operations on data
structures more efficiently. These include:
• Dynamic allocation and deallocation of software
• Function Pointer invocation
• Software Stack Pointer manipulation
• Manipulation of variables located in a software
TABLE 26-3:
© 2007 Microchip Technology Inc.
ADDFSR
ADDULNK
CALLW
MOVSF
MOVSS
PUSHL
SUBFSR
SUBULNK
stack space when entering and leaving
subroutines
stack
Mnemonic,
Operands
Extended Instruction Set
f, k
k
z
z
k
f, k
k
s
s
, f
, z
d
EXTENSIONS TO THE PIC18 INSTRUCTION SET
d
Add literal to FSR
Add literal to FSR2 and return
Call subroutine using WREG
Move z
Move z
Store literal at FSR2,
Subtract literal from FSR
Subtract literal from FSR2 and
decrement FSR2
return
f
z
d
s
s
d
(destination) 2nd word
(source) to
(source) to
(destination) 2nd word
Description
PIC18F2455/2550/4455/4550
1st word
1st word
Preliminary
Cycles
1
2
2
2
2
1
1
2
A summary of the instructions in the extended instruc-
tion set is provided in Table 26-3. Detailed descriptions
are provided in Section 26.2.2 “Extended Instruction
Set”. The opcode field descriptions in Table 26-1
(page 308) apply to both the standard and extended
PIC18 instruction sets.
26.2.1
Most of the extended instructions use indexed
arguments, using one of the File Select Registers and
some offset to specify a source or destination register.
When an argument for an instruction serves as part of
Indexed Addressing, it is enclosed in square brackets
(“[ ]”). This is done to indicate that the argument is used
as an index or offset. The MPASM™ Assembler will
flag an error if it determines that an index or offset value
is not bracketed.
When the extended instruction set is enabled, brackets
are also used to indicate index arguments in byte-
oriented and bit-oriented instructions. This is in addition
to other changes in their syntax. For more details, see
Section 26.2.3.1 “Extended Instruction Syntax with
Standard PIC18 Commands”.
Note:
Note:
1110
1110
0000
1110
1111
1110
1111
1110
1110
1110
MSb
16-Bit Instruction Word
The instruction set extension and the
Indexed Literal Offset Addressing mode
were designed for optimizing applications
written in C; the user may likely never use
these instructions directly in assembler.
The syntax for these commands is pro-
vided as a reference for users who may be
reviewing code that has been generated
by a compiler.
EXTENDED INSTRUCTION SYNTAX
In the past, square brackets have been
used to denote optional arguments in the
PIC18 and earlier instruction sets. In this
text
arguments are denoted by braces (“{ }”).
1000
1000
0000
1011
ffff
1011
xxxx
1010
1001
1001
and
0zzz
ffff
1zzz
xzzz
kkkk
ffkk
11kk
ffkk
11kk
0001
going
kkkk
kkkk
0100
zzzz
ffff
zzzz
zzzz
kkkk
kkkk
kkkk
LSb
forward,
DS39632D-page 349
Affected
Status
None
None
None
None
None
None
None
None
optional
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