18F2550 Datasheet PDF - Microchip Technology


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18F2550
Microchip Technology

Part Number 18F2550
Description PIC18F2550
Page 30 Pages

18F2550 datasheet pdf
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PIC18F2455/2550/4455/4550
Data Sheet
28/40/44-Pin, High Performance,
www.DataSheet.co.kr
Enhanced Flash, USB Microcontrollers
with nanoWatt Technology
© 2007 Microchip Technology Inc.
DS39632D
Datasheet pdf - http://www.DataSheet4U.net/



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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.
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and may be superseded by updates.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
WARRANTIES 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
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, 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, Migratable Memory, MXDEV, MXLAB,
SEEVAL, SmartSensor and The Embedded Control Solutions
www.DataSheet.co.kr
Company are registered trademarks of Microchip Technology
Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, CodeGuard,
dsPICDEM, dsPICDEM.net, dsPICworks, ECAN,
ECONOMONITOR, FanSense, FlexROM, fuzzyLAB,
In-Circuit Serial Programming, ICSP, ICEPIC, Linear Active
Thermistor, Mindi, MiWi, MPASM, MPLIB, MPLINK, PICkit,
PICDEM, PICDEM.net, PICLAB, PICtail, PowerCal,
PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB,
rfPICDEM, Select Mode, Smart Serial, SmartTel, Total
Endurance, UNI/O, WiperLock and ZENA 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.
© 2007, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received ISO/TS-16949:2002 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona, Gresham, Oregon and Mountain View, California. The
Company’s quality system processes and procedures are for its PIC®
MCUs and dsPIC DSCs, 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.
DS39632D-page ii
© 2007 Microchip Technology Inc.
Datasheet pdf - http://www.DataSheet4U.net/



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PIC18F2455/2550/4455/4550
28/40/44-Pin, High-Performance, Enhanced Flash,
USB Microcontrollers with nanoWatt Technology
Universal Serial Bus Features:
• USB V2.0 Compliant
• Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s)
• Supports Control, Interrupt, Isochronous and Bulk
Transfers
• Supports up to 32 Endpoints (16 bidirectional)
• 1-Kbyte Dual Access RAM for USB
• On-Chip USB Transceiver with On-Chip Voltage
Regulator
• Interface for Off-Chip USB Transceiver
• Streaming Parallel Port (SPP) for USB streaming
transfers (40/44-pin devices only)
Power-Managed Modes:
• Run: CPU on, peripherals on
• Idle: CPU off, peripherals on
• Sleep: CPU off, peripherals off
• Idle mode currents down to 5.8 μA typical
• Sleep mode currents down to 0.1 μA typical
• Timer1 Oscillator: 1.1 μA typical, 32 kHz, 2V
• Watchdog Timer: 2.1 μA typical
• Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
• Four Crystal modes, including High Precision PLL
for USB
• Two External Clock modes, up to 48 MHz
• Internal Oscillator Block:
- 8 user-selectable frequencies, from 31 kHz
to 8 MHz
- User-tunable to compensate for frequency drift
• Secondary Oscillator using Timer1 @ 32 kHz
• Dual Oscillator options allow microcontroller and
USB module to run at different clock speeds
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if any clock stops
Peripheral Highlights:
• High-Current Sink/Source: 25 mA/25 mA
• Three External Interrupts
• Four Timer modules (Timer0 to Timer3)
• Up to 2 Capture/Compare/PWM (CCP) modules:
- Capture is 16-bit, max. resolution 5.2 ns (TCY/16)
- Compare is 16-bit, max. resolution 83.3 ns (TCY)
- PWM output: PWM resolution is 1 to 10-bit
• Enhanced Capture/Compare/PWM (ECCP) module:
- Multiple output modes
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
• Enhanced USART module:
- LIN bus support
• Master Synchronous Serial Port (MSSP) module
supporting 3-wire SPI (all 4 modes) and I2C™
Master and Slave modes
• 10-bit, up to 13-channel Analog-to-Digital Converter
module (A/D) with Programmable Acquisition Time
• Dual Analog Comparators with Input Multiplexing
www.DataSheet.co.kr
Special Microcontroller Features:
• C Compiler Optimized Architecture with optional
Extended Instruction Set
• 100,000 Erase/Write Cycle Enhanced Flash
Program Memory typical
• 1,000,000 Erase/Write Cycle Data EEPROM
Memory typical
• Flash/Data EEPROM Retention: > 40 years
• Self-Programmable under Software Control
• Priority Levels for Interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
- Programmable period from 41 ms to 131s
• Programmable Code Protection
• Single-Supply 5V In-Circuit Serial
Programming™ (ICSP™) via two pins
• In-Circuit Debug (ICD) via two pins
• Optional dedicated ICD/ICSP port (44-pin devices only)
• Wide Operating Voltage Range (2.0V to 5.5V)
Device
Program Memory
Data Memory
Flash
# Single-Word
SRAM EEPROM
I/O
10-Bit CCP/ECCP
A/D (ch) (PWM)
SPP
(bytes) Instructions (bytes) (bytes)
MSSP
SPI
Master
I2C™
PIC18F2455
PIC18F2550
PIC18F4455
PIC18F4550
24K
32K
24K
32K
12288
16384
12288
16384
2048 256 24 10
2048 256 24 10
2048 256 35 13
2048 256 35 13
2/0 No Y Y 1
2/0 No Y Y 1
1/1 Yes Y Y 1
1/1 Yes Y Y 1
Timers
8/16-Bit
2 1/3
2 1/3
2 1/3
2 1/3
© 2007 Microchip Technology Inc.
Preliminary
DS39632D-page 1
Datasheet pdf - http://www.DataSheet4U.net/



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PIC18F2455/2550/4455/4550
Pin Diagrams
28-Pin PDIP, SOIC
MCLR/VPP/RE3
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT/RCV
RA5/AN4/SS/HLVDIN/C2OUT
VSS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2(1)/UOE
RC2/CCP1
VUSB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 RB7/KBI3/PGD
27 RB6/KBI2/PGC
26 RB5/KBI1/PGM
25 RB4/AN11/KBI0
24 RB3/AN9/CCP2(1)/VPO
23 RB2/AN8/INT2/VMO
22 RB1/AN10/INT1/SCK/SCL
21 RB0/AN12/INT0/FLT0/SDI/SDA
20 VDD
19 VSS
18 RC7/RX/DT/SDO
17 RC6/TX/CK
16 RC5/D+/VP
15 RC4/D-/VM
40-Pin PDIP
MCLR/VPP/RE3
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT/RCV
RA5/AN4/SS/HLVDIN/C2OUT
RE0/AN5/CK1SPP
RE1/AN6/CK2SPP
RE2/AN7/OESPP
VDD
VSS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2(1)/UOE
RC2/CCP1/P1A
VUSB
RD0/SPP0
RD1/SPP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
www.DataSheet.co.kr
40 RB7/KBI3/PGD
39 RB6/KBI2/PGC
38 RB5/KBI1/PGM
37 RB4/AN11/KBI0/CSSPP
36 RB3/AN9/CCP2(1)/VPO
35 RB2/AN8/INT2/VMO
34 RB1/AN10/INT1/SCK/SCL
33 RB0/AN12/INT0/FLT0/SDI/SDA
32 VDD
31 VSS
30 RD7/SPP7/P1D
29 RD6/SPP6/P1C
28 RD5/SPP5/P1B
27 RD4/SPP4
26 RC7/RX/DT/SDO
25 RC6/TX/CK
24 RC5/D+/VP
23 RC4/D-/VM
22 RD3/SPP3
21 RD2/SPP2
Note 1: RB3 is the alternate pin for CCP2 multiplexing.
DS39632D-page 2
Preliminary
© 2007 Microchip Technology Inc.
Datasheet pdf - http://www.DataSheet4U.net/




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