8位微控制器 -MCU 32KB FLSH 2048 RAM FSUSB 2.0 12B ADC
DEVICE OVERVIEW
This document contains device-specific information for the following devices:
• PIC18F2458 • PIC18F4458
• PIC18F2553 • PIC18F4553
The PIC18F4553 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 PIC18F4553 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
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 TQFP package only
• Wide Operating Voltage Range 2.0V to 5.5V
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-bits
• 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
• 12-Bit, up to 13-Channel Analog-to-Digital Converter module A/D with Programmable Acquisition Time
• Dual Analog Comparators with Input Multiplexing
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
PIC18LF4553T-I/PT Microchip 微芯 | 当前型号 | 当前型号 |
PIC18LF4553-I/PT 微芯 | 类似代替 | PIC18LF4553T-I/PT和PIC18LF4553-I/PT的区别 |