PIC18F2550 SOP28 vi điều khiển microchip

Giới thiệu PIC18F2550 SOP28 vi điều khiển microchip

Công dụng:
- Ứng dụng trong các mạch điện tử
- Ứng dụng trong nhiều mạch bán dẫn
- Thay thế IC bị hỏng
Thông số kỹ thuật
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 (TCY/16)
- Compare is 16-bit, max. resolution 100 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-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)

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