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Электронный компонент: PIC18F2550

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2003 Microchip Technology Inc.
Advance Information
DS39617A-page 1
PIC18F2455/2550/4455/4550
Universal Serial Bus Features:
USB V2.0 Compliant SIE
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-board 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
A typical
Sleep current down to 0.1
A typical
Timer1 oscillator: 1.1
A typical, 32 kHz, 2V
Watchdog Timer: 2.1
A typical
Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
Five Crystal modes, including High-Precision PLL
for USB
Two External RC modes, up to 4 MHz
Two External Clock modes, up to 40 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
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 6.25 ns (T
CY
/16)
- Compare is 16-bit, max. resolution 100 ns (T
CY
)
- 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
Addressable USART module:
- LIN bus support
Master Synchronous Serial Port (MSSP) module
supporting 3-wire SPITM (all 4 modes) and I
2
CTM
Master and Slave modes
10-bit, up to 13-channels Analog-to-Digital Converter
module (A/D) with programmable acquisition time
Dual analog comparators with input multiplexing
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 ProgrammingTM
(ICSPTM) via two pins
In-Circuit Debug (ICD) via two pins
Wide operating voltage range (2.0V to 5.5V)
Device
Program Memory
Data Memory
I/O
10-bit
A/D
(ch)
CCP/
ECCP
(PWM)
SPP
MSSP
E
AUS
A
R
T
Co
mp
ar
ato
r
s
Timers
8/16-bit
FLASH
(bytes)
# Single-
Word
Instructions
SRAM
(bytes)
EEPROM
(bytes)
SPI
Master
I
2
C
PIC18F2455
24K
12288
2048
256
24
10
2/0
No
Y
Y
1
2
1/3
PIC18F2550
32K
16384
2048
256
24
10
2/0
No
Y
Y
1
2
1/3
PIC18F4455
24K
12288
2048
256
35
13
1/1
Yes
Y
Y
1
2
1/3
PIC18F4550
32K
16384
2048
256
35
13
1/1
Yes
Y
Y
1
2
1/3
28/40/44-Pin High-Performance, Enhanced Flash USB
Microcontrollers with nanoWatt Technology
PIC18F2455/2550/4455/4550
DS39617A-page 2
Advance Information
2003 Microchip Technology Inc.
Pin Diagrams
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PGM
RB4/AN11/KBI0/CSSPP
RB3/AN9/CCP2*/VPO
RB2/AN8/INT2/VMO
RB1/AN10/INT1/SCK/SCL
RB0/AN12/INT0/SDI/SDA
V
DD
V
SS
RD7/SPP7/P1D
RD6/SPP6/P1C
RD5/SPP5/P1B
RD4/SPP4
RC7/RX/DT/SDO
RC6/TX/CK
D+/VP
D-/VM
RD3/SPP3
RD2/SPP2
MCLR/V
PP
/RE3
RA0/AN0
RA1/AN1
RA2/AN2/V
REF
-/C
VREF
RA3/AN3/V
REF
+
RA4/T0CKI/C1OUT
RA5/AN4/SS/LVDIN/C2OUT
RE0/CK1SPP/AN5
RE1/CK2SPP/AN6
RE2/OESPP/AN7
AV
DD
AV
SS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2*/UOE
RC2/CCP1/P1A
V
USB
RD0/SPP0
RD1/SPP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
P
I
C
18F
445
5
40-Pin PDIP
P
I
C
18F
455
0
PI
C
1
8F2
550
10
11
2
3
4
5
6
1
8
7
9
12
13
14
15
16
17
18
19
20
23
24
25
26
27
28
22
21
MCLR/V
PP
/RE3
RA0/AN0
RA1/AN1
RA2/AN2/V
REF
-/CV
REF
RA3/AN3/V
REF
+
RA4/T0CKI/C1OUT
RA5/AN4/SS/LVDIN/C2OUT
V
SS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2*/UOE
RC2/CCP1
V
USB
RB7/KBI3/PGD
RB6/KBI2/PGC
RB5/KBI1/PGM
RB4/AN11/KBI0/RCV
RB3/AN9/CCP2*/VPO
RB2/AN8/INT2/VMO
RB1/AN10/INT1/SCK/SCL
RB0/AN12/INT0/SDI/SDA
V
DD
V
SS
RC7/RX/DT/SDO
RC6/TX/CK
D+/VP
D-/VM
28-Pin SDIP, SOIC
PI
C
1
8F2
455
Note:
Pinouts are subject to change.
*
Assignment of this feature is dependent on device configuration.
2003 Microchip Technology Inc.
Advance Information
DS39617A-page 3
PIC18F2455/2550/4455/4550
Pin Diagrams (Continued)
44-Pin QFN
10
11
2
3
6
1
18
19
20
21
22
12
13
14
15
38
8
7
44
43
42
41
40
39
16
17
29
30
31
32
33
23
24
25
26
27
28
36
34
35
9
PIC18F4455
37
R
A
3/A
N
3/
V
RE
F
+
R
A
2/
A
N
2/V
RE
F
-/
C
V
RE
F
RA1
/
AN1
RA0
/
AN0
MC
L
R
/V
PP
/RE
3
RB7
/
KBI
3
/
PG
D
RB6
/
KBI
2
/
PG
C
RB5
/
KBI
1
/
PG
M
NC
RC6
/T
X/CK
D+/VP
D-
/
V
M
RD3
/SS
P
3
RD2
/SS
P
2
RD1
/SS
P
1
RD0
/SS
P
0
V
US
B
RC2
/CCP1
/
P1
A
RC1
/T
1
O
SI/CCP2
*
/UO
E
RC0
/T
1
O
S
O/T
13
CK
I
OSC2/CLKO/RA6
OSC1/CLKI/RA7
V
SS
AV
DD
RA5/AN4/SS/LVDIN/C2OUT
RA4/T0CKI/C1OUT
RC7/RX/DT/SDO
RD4/CCP2*/P2A
RD5/SSP5/P1B
RD6/SSP6/P1C
V
SS
V
DD
RB0/AN12/INT0/SDI
RB1/AN10/INT1/SCK/SCL
RB2/AN8/INT2/VMO
RB3
/
AN9
/
CCP2
*
/VPO
RD7/SSP7/P1D
5
4
AV
SS
V
DD
AV
DD
10
11
2
3
6
1
18
19
20
21
22
12
13
14
15
38
8
7
44
43
42
41
40
39
16
17
29
30
31
32
33
23
24
25
26
27
28
36
34
35
9
PIC18F4455
37
RA
3
/
AN3
/
V
RE
F
+
RA1
/
AN1
MC
L
R
/V
PP
/RE
3
NC
NC
RC6
/
T
X/CK
NC
NC
RC0/T1OSO/T13CKI
OSC2/CLKO/RA6
OSC1/CLKI/RA7
V
SS
V
DD
RA5/AN4/SS/LVDIN/C2OUT
RA4/T0CKI/C1OUT
V
SS
V
DD
44-Pin TQFP
5
4
PIC18F4550
RC7/RX/DT/SDO
RD4/SPP4
RD5/SPP5/P1B
RD6/SPP6/P1C
RD7/SPP7/P1D
RB0/AN12/INT0/SDI/SDA
RB1/AN10/INT1/SCK/SCL
RB2/AN8/INT2/VMO
RB3/AN9/CCP2*/VPO
RC1
/T
1
O
SI/
CCP
2
*
/
U
OE
RC2
/
CCP1
/
P1
A
V
US
B
RD0
/
S
P
P
0
RD1
/
S
P
P
1
RD2
/
S
P
P
2
RD3
/
S
P
P
3
D-
/
V
M
D+/VP
RB5
/
KBI
1
/
PG
M
RB
6
/
K
B
I
2
/P
GC
RB
7
/
K
B
I
3
/P
GD
RA0
/
AN0
R
A
2/A
N
2/
V
RE
F
-/
C
VR
EF
Note:
Pinouts are subject to change.
*
Assignment of this feature is dependent on device configuration.
PIC18F4550
RB
4
/
AN1
1
/
K
BI
0
/
CSSPP
RE0/CK1SPP/AN5
RE1/CK2SPP/AN6
RE2/OESPP/AN7
R
B
4
/
AN1
1
/
KBI
0
/
CSSPP
RE0/CK1SPP/AN5
RE1/CK2SPP/AN6
RE2/OESPP/AN7
PIC18F2455/2550/4455/4550
DS39617A-page 4
Advance Information
2003 Microchip Technology Inc.
NOTES:
DS39617A-page 5
Advance Information
2003 Microchip Technology Inc.
Information contained in this publication regarding device
applications and the like is intended through suggestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microchip Technology Incorporated with respect
to the accuracy or use of such information, or infringement of
patents or other intellectual property rights arising from such
use or otherwise. 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 intellectual
property rights.
Trademarks
The Microchip name and logo, the Microchip logo, dsPIC,
K
EE
L
OQ
, MPLAB, PIC, PICmicro, PICSTART, PRO MATE and
PowerSmart are registered trademarks of Microchip
Technology Incorporated in the U.S.A. and other countries.
FilterLab, micro
ID
, MXDEV, MXLAB, PICMASTER, SEEVAL
and The Embedded Control Solutions Company are
registered trademarks of Microchip Technology Incorporated
in the U.S.A.
Accuron, Application Maestro, dsPICDEM, dsPICDEM.net,
ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-
Circuit Serial Programming, ICSP, ICEPIC, microPort,
Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,
PICC, PICkit, PICDEM, PICDEM.net, PowerCal, PowerInfo,
PowerMate, PowerTool, rfLAB, rfPIC, Select Mode,
SmartSensor, SmartShunt, SmartTel and Total Endurance are
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
Serialized Quick Turn Programming (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.
2003, 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 QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facilities in
Chandler and Tempe, Arizona in July 1999
and Mountain View, California in March 2002.
The Company's quality system processes and
procedures are QS-9000 compliant for its
PICmicro
8-bit MCUs, K
EE
L
OQ
code hopping
devices, Serial EEPROMs, microperipherals,
non-volatile memory and analog products. In
addition, Microchip's quality system for the
design and manufacture of development
systems is ISO 9001 certified.
DS39617A-page 6
Advance Information
2003 Microchip Technology Inc.
AMERICAS
Corporate Office
2355 West Chandler Blvd.
Chandler, AZ 85224-6199
Tel: 480-792-7200
Fax: 480-792-7277
Technical Support: 480-792-7627
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Atlanta
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Dallas
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Los Angeles
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ASIA/PACIFIC
Australia
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China - Fuzhou
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Tel: 86-591-7503506
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China - Hong Kong SAR
Unit 901-6, Tower 2, Metroplaza
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Room 701, Bldg. B
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Rm. 1812, 18/F, Building A, United Plaza
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82-2-558-5934
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Taiwan Branch
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EUROPE
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Italy
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Netherlands
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Berkshire, England RG41 5TU
Tel: 44-118-921-5869
Fax: 44-118-921-5820
07/28/03
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ORLDWIDE
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ALES
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ERVICE