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PIC18F系列用户手册
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PIC18F系列单片机基本资源、应用开发、内带CAN控制器。内容全面,童叟无欺!
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2004 Microchip Technology Inc. DS41159D
PIC18FXX8
Data Sheet
28/40-Pin High-Performance,
Enhanced Flash Microcontrollers
with CAN Module
DS41159D-page ii 2004 Microchip Technology Inc.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR WAR-
RANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED,
WRITTEN OR ORAL, STATUTORY OR OTHERWISE,
RELATED TO THE INFORMATION, INCLUDING BUT NOT
LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE,
MERCHANTABILITY OR FITNESS FOR PURPOSE.
Microchip disclaims all liability arising from this information and
its use. Use of Microchip’s products as critical components in
life support systems is not authorized except with express
written approval by Microchip. No licenses are conveyed,
implicitly or otherwise, under any Microchip intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, K
EELOQ, microID, MPLAB, PIC, PICmicro, PICSTART,
PRO MATE, PowerSmart, rfPIC, and SmartShunt are
registered trademarks of Microchip Technology Incorporated
in the U.S.A. and other countries.
AmpLab, FilterLab, MXDEV, MXLAB, PICMASTER, SEEVAL,
SmartSensor and The Embedded Control Solutions Company
are registered trademarks of Microchip Technology
Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, dsPICDEM,
dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR,
FanSense, FlexROM, fuzzyLAB, In-Circuit Serial
Programming, ICSP, ICEPIC, Migratable Memory, MPASM,
MPLIB, MPLINK, MPSIM, PICkit, PICDEM, PICDEM.net,
PICLAB, PICtail, PowerCal, PowerInfo, PowerMate,
PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial,
SmartTel and Total Endurance are trademarks of Microchip
Technology Incorporated in the U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2004, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Note the following details of the code protection feature on Microchip devices:
• Microchip products meet the specification contained in their particular Microchip Data Sheet.
• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
• Microchip is willing to work with the customer who is concerned about the integrity of their code.
• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Microchip received ISO/TS-16949:2002 quality system certification for
its worldwide headquarters, design and wafer fabrication facilities in
Chandler and Tempe, Arizona and Mountain View, California in
October 2003. The Company’s quality system processes and
procedures are for its PICmicro
®
8-bit MCUs, KEELOQ
®
code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
2004 Microchip Technology Inc. DS41159D-page 1
PIC18FXX8
High-Performance RISC CPU:
• Linear program memory addressing up to
2Mbytes
• Linear data memory addressing to 4 Kbytes
• Up to 10 MIPS operation
• DC – 40 MHz clock input
• 4 MHz-10 MHz oscillator/clock input with
PLL active
• 16-bit wide instructions, 8-bit wide data path
• Priority levels for interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
Peripheral Features:
• High current sink/source 25 mA/25 mA
• Three external interrupt pins
•Timer0 module: 8-bit/16-bit timer/counter with
8-bit programmable prescaler
•Timer1 module: 16-bit timer/counter
•Timer2 module: 8-bit timer/counter with 8-bit
period register (time base for PWM)
•Timer3 module: 16-bit timer/counter
• Secondary oscillator clock option – Timer1/Timer3
• Capture/Compare/PWM (CCP) modules;
CCP pins can be configured as:
- Capture input: 16-bit, max resolution 6.25 ns
- Compare: 16-bit, max resolution 100 ns (T
CY)
- PWM output: PWM resolution is 1 to 10-bit
Max. PWM freq. @:8-bit resolution = 156 kHz
10-bit resolution = 39 kHz
• Enhanced CCP module which has all the features
of the standard CCP module, but also has the
following features for advanced motor control:
- 1, 2 or 4 PWM outputs
- Selectable PWM polarity
- Programmable PWM dead time
• Master Synchronous Serial Port (MSSP) with two
modes of operation:
- 3-wire SPI™ (Supports all 4 SPI modes)
-I
2
C™ Master and Slave mode
• Addressable USART module:
- Supports interrupt-on-address bit
Advanced Analog Features:
• 10-bit, up to 8-channel Analog-to-Digital Converter
module (A/D) with:
- Conversion available during Sleep
- Up to 8 channels available
• Analog Comparator module:
- Programmable input and output multiplexing
• Comparator Voltage Reference module
• Programmable Low-Voltage Detection (LVD) module:
- Supports interrupt-on-Low-Voltage Detection
• Programmable Brown-out Reset (BOR)
CAN bus Module Features:
• Complies with ISO CAN Conformance Test
• Message bit rates up to 1 Mbps
• Conforms to CAN 2.0B Active Spec with:
- 29-bit Identifier Fields
- 8-byte message length
- 3 Transmit Message Buffers with prioritization
- 2 Receive Message Buffers
- 6 full, 29-bit Acceptance Filters
- Prioritization of Acceptance Filters
- Multiple Receive Buffers for High Priority
Messages to prevent loss due to overflow
- Advanced Error Management Features
Special Microcontroller Features:
• Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator
• Programmable code protection
• Power-saving Sleep mode
• Selectable oscillator options, including:
- 4x Phase Lock Loop (PLL) of primary oscillator
- Secondary Oscillator (32 kHz) clock input
• In-Circuit Serial Programming
TM
(ICSP
TM
) via two pins
Flash Technology:
• Low-power, high-speed Enhanced Flash technology
• Fully static design
• Wide operating voltage range (2.0V to 5.5V)
• Industrial and Extended temperature ranges
28/40-Pin High-Performance, Enhanced Flash
Microcontrollers with CAN
PIC18FXX8
DS41159D-page 2 2004 Microchip Technology Inc.
Pin Diagrams
Device
Program Memory Data Memory
I/O
10-bit
A/D
(ch)
Comparators
CCP/
ECCP
(PWM)
MSSP
USART
Timers
8/16-bit
Flash
(bytes)
# Single-Word
Instructions
SRAM
(bytes)
EEPROM
(bytes)
SPI™
Master
I
2
C™
PIC18F248 16K 8192 768 256 22 5 — 1/0 Y Y Y 1/3
PIC18F258 32K 16384 1536 256 22 5 — 1/0 Y Y Y 1/3
PIC18F448 16K 8192 768 256 33 8 2 1/1 Y Y Y 1/3
PIC18F458 32K 16384 1536 256 33 8 2 1/1 Y Y Y 1/3
RB7/PGD
RB6/PGC
RB5/PGM
RB4
RB3/CANRX
RB2/CANTX/INT2
RB1/INT1
RB0/INT0
V
DD
VSS
RD7/PSP7/P1D
RD6/PSP6/P1C
RD5/PSP5/P1B
RD4/PSP4/ECCP1/P1A
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3/C2IN-
RD2/PSP2/C2IN+
MCLR/VPP
RA0/AN0/CVREF
RA1/AN1
RA2/AN2/V
REF-
RA3/AN3/V
REF+
RA4/T0CKI
RA5/AN4/SS
/LVDIN
RE0/AN5/RD
RE1/AN6/WR/C1OUT
RE2/AN7/CS
/C2OUT
VDD
VSS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3/SCK/SCL
RD0/PSP0/C1IN+
RD1/PSP1/C1IN-
2004 Microchip Technology Inc. DS41159D-page 3
PIC18FXX8
Pin Diagrams (Continued)
PIC18F458
TQFP
RB7/PGD
SPDIP, SOIC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
RB6/PGC
RB5/PGM
RB4
RB3/CANRX
RB2/CANTX/INT2
RB1/INT1
RB0/INT0
V
DD
VSS
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
MCLR
/VPP
RA0/AN0/CVREF
RA1/AN1
RA2/AN2/V
REF-
RA3/AN3/V
REF+
RA4/T0CKI
RA5/AN4/SS
/LVDIN
V
SS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3/SCK/SCL
PIC18F248
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
12
RC7/RX/DT
RD4/PSP4/ECCP1/P1A
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
V
SS
VDD
RB0/INT0
RB1/INT1
RB2/CANTX/INT2
RB3/CANRX
NC
NC
RB4
RB5/PGM
RB6/PGC
RB7/PGD
MCLR
/VPP
RA0/AN0/CV
REF
RA1/AN1
RA2/AN2/V
REF-
RA3/AN3/V
REF
+
NC
RC0/T1OSO/T1CKI
OSC1/CLKI
V
SS
VDD
RE2/AN7/CS/C2OUT
RE1/AN6/WR
/C1OUT
OSC2/CLKO/RA6
RE0//AN5/RD
RA5/AN4/SS/LVDIN
RA4/T0CKI
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3/C2IN-
RD2/PSP2/C2IN+
RD1/PSP1/C1IN-
RD0/PSP0/C1IN+
RC3/SCK/SCL
RC2/CCP1
RC1/T1OSI
NC
PIC18F448
PIC18F258
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