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标题: PIC16F648A Data Sheet [打印本页]

作者: enroo_ma 时间: 2009-8-21 12:14
标题: PIC16F648A Data Sheet

PIC16F627A/628A/648A FLASH-Based 8-Bit CMOS Data Sheet (3/13/2007)

High-Performance RISC CPU:
• Operating speeds from DC – 20 MHz
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
• 35 single-word instructions:
- All instructions single cycle except branches
Special Microcontroller Features:
• Internal and external oscillator options:
- Precision internal 4 MHz oscillator factory
calibrated to ±1%
- Low-power internal 48 kHz oscillator
- External Oscillator support for crystals and
resonators
• Power-saving Sleep mode
• Programmable weak pull-ups on PORTB
• Multiplexed Master Clear/Input-pin
• Watchdog Timer with independent oscillator for
reliable operation
• Low-voltage programming
• In-Circuit Serial Programming™ (via two pins)
• Programmable code protection
• Brown-out Reset
• Power-on Reset
• Power-up Timer and Oscillator Start-up Timer
• Wide operating voltage range (2.0-5.5V)
• Industrial and extended temperature range
• High-Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- 40 year data retention
Low-Power Features:
• Standby Current:
- 100 nA @ 2.0V, typical
• Operating Current:
-12 μA @ 32 kHz, 2.0V, typical
-120 μA @ 1 MHz, 2.0V, typical
• Watchdog Timer Current:
-1 μA @ 2.0V, typical
• Timer1 Oscillator Current:
-1.2 μA @ 32 kHz, 2.0V, typical
• Dual-speed Internal Oscillator:
- Run-time selectable between 4 MHz and
48 kHz
-4 μs wake-up from Sleep, 3.0V, typical
Peripheral Features:
• 16 I/O pins with individual direction control
• High current sink/source for direct LED drive
• Analog comparator module with:
- Two analog comparators
- Programmable on-chip voltage reference
(VREF) module
- Selectable internal or external reference
- Comparator outputs are externally accessible
• Timer0: 8-bit timer/counter with 8-bit
programmable prescaler
• Timer1: 16-bit timer/counter with external crystal/
clock capability
• Timer2: 8-bit timer/counter with 8-bit period
register, prescaler and postscaler
• Capture, Compare, PWM module:
- 16-bit Capture/Compare
-10-bit PWM
• Addressable Universal Synchronous/Asynchronous
Receiver/Transmitter USART/SCI

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