8位微控制器 -MCU 24kBF 2048RM FSUSB2
DEVICE OVERVIEW
This document contains device-specific information for the following devices:
• PIC18F2455 • PIC18LF2455
• PIC18F2550 • PIC18LF2550
• PIC18F4455 • PIC18LF4455
• PIC18F4550 • PIC18LF4550
This family of devices offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance, Enhanced Flash program memory. In addition to these features, the PIC18F2455/2550/4455/4550 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power sensitive applications.
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 A/D module with Programmable Acquisition Time
• Dual Analog Comparators with Input Multiplexing
电源电压DC 5.00 V, 5.50 V max
时钟频率 48.0 MHz
RAM大小 2 KB
位数 8
耗散功率 1000 mW
FLASH内存容量 24576 B
I/O引脚数 35
存取时间 48.0 µs
内核架构 PIC
模数转换数ADC 1
工作温度Max 85 ℃
工作温度Min -40 ℃
耗散功率Max 1000 mW
电源电压Max 5.5 V
电源电压Min 2 V
安装方式 Through Hole
引脚数 40
封装 PDIP-40
长度 52.26 mm
宽度 13.84 mm
高度 3.81 mm
封装 PDIP-40
工作温度 -40℃ ~ 85℃
产品生命周期 Unknown
包装方式 Tube
RoHS标准 RoHS Compliant
含铅标准 Lead Free
REACH SVHC版本 2015/12/17