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PIC12F1822芯片解密

时间:2010-07-20 09:35:11

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High-Performance RISC CPU:
• Only 49 Instructions to Learn:
- All single-cycle instructions except branches
• Operating Speed:
- DC – 32 MHz oscillator/clock input
- DC – 125 ns instruction cycle
• Interrupt Capability with Automatic Context
Saving
• 16-Level Deep Hardware Stack with Optional
Overflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes:
- Two full 16-bit File Select Registers (FSRs)
- FSRs can read program and data memory
Flexible Oscillator Structure:
• Precision 32 MHz internal Oscillator Block:
- Factory calibrated to ± 1%, typical
- Software selectable frequencies range of
31 kHz to 32 MHz
• 31 kHz Low-Power Internal Oscillator
• Four crystal modes up to 32 MHz
• Three external clock modes up to 32 MHz
• 4X Phase Lock Loop (PLL)
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if peripheral clock
stops
• Two-Speed Oscillator Start-up
• Reference Clock Module:
- Programmable clock output frequency and
duty-cycle
Special Microcontroller Features:
• Full 5.5V operation – PIC12F1822/16F1823
• 1.8V-3.6V operation – PIC12LF1822/16LF1823
• Self-reprogrammable under software control
• Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
• Programmable Brown-out Reset (BOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming™ (ICSP™) via
two pins
• In-Circuit Debug (ICD) via two pins
• Enhanced Low-Voltage Programming (LVP)
• Operating Voltage Range:
- 1.8V-5.5V (PIC12F1822/16F1823)
- 1.8V-3.6V (PIC12LF1822/16LF1823)
• Programmable Code Protection
• Self-Programmable under Software Control
Low-Power Features:
• Standby Current (PIC12LF1822/16LF1823):
- 30 nA @ 1.8V, typical
• Operating Current (PIC12LF1822/16LF1823):
-75 A @ 1 MHz, 1.8V, typical
• Low-Power Watchdog Timer Current
(PIC12LF1822/16LF1823):
- 500 nA @ 1.8V, typical

 

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