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芯片PIC12F683解密

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PIC12F683特性:
High-Performance RISC CPU
• Only 35 instructions to learn:
- All single-cycle instructions except branches
• Operating speed:
- DC – 20 MHz oscillator/clock input
- DC – 200 ns instruction cycle
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
Special Microcontroller Features
• Precision Internal Oscillator:
- Factory calibrated to ±1%
- Software selectable frequency range of
8 MHz to 31 kHz
- Two-speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for
power savings
• Power-saving Sleep mode
• Wide operating voltage range. (2.0V-5.5V)
• Industrial and Extended temperature range
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up
Timer (OST)
• Multiplexed Master Clear with pull-up/input pin
• Programmable code protection
• High Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM Retention: > 40 years
Low-Power Features
• Standby Current:
- 1 nA @ 2.0V, typical
• Operating Current:
- 8.5μA @ 32 kHz, 2.0V, typical
- 100μA @ 1 MHz, 2.0V, typical
• Watchdog Timer Current:
- 1μA @ 2.0V, typical
Peripheral Features
• 6 I/O pins with individual direction control:
- High current source/sink for direct LED drive
- Interrupt-on-pin change
- Individually programmable weak pull-ups
- Ultra Low-Power Wake-up on GP0
• Analog comparator module with:
- One analog comparator
- Programmable on-chip voltage reference
(CVREF) module (% of VDD)
- Comparator inputs and output externally
accessible
• A/D Converter:
- 10-bit resolution and 4 channels
• Timer0: 8-bit timer/counter with 8-bit
programmable prescaler
• Timer2: 8-bit timer/counter with 8-bit period
register, prescaler and postscaler
• Capture, Compare, PWM module:
- 16-bit Capture, max resolution 12.5 ns
- Compare, max resolution 200 ns
- 10-bit PWM, max frequency 20 kHz
• In-Circuit Serial Programming™ (ICSP™) via
two pins