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PIC18F4455-I/P 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
8位微控制器
封装:
DIP-40
描述:
PIC18F2455/2550/4455/4550 8 位闪存微控制器### PIC18 微控制器
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P4P5P144P145P146P152Hot
典型应用电路图在P199
原理图在P10P12P13P28P45P128P132P138P140P145P146P148
封装尺寸在P401
标记信息在P399P400
封装信息在P399
技术参数、封装参数在P187P371P372P373P374P377P378P379
应用领域在P156P278
电气规格在P9P91P266P267P271P272P275P285
导航目录
PIC18F4455-I/P数据手册
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若手册格式错乱，请下载阅览PDF原文件
2004 Microchip Technology Inc. Preliminary DS39632B-page 1
PIC18F2455/2550/4455/4550
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 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
• Enhanced USART module:
- LIN bus support
• Master Synchronous Serial Port (MSSP) module
supporting 3-wire SPI™ (all 4 modes) and I
2
C™
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
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
I/O
10-bit
A/D (ch)
CCP/ECCP
(PWM)
SPP
MSSP
EAUSART
Comparators
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
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