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PIC18F2220芯片研究与技术解密

时间:2011-01-25 09:30:24

世纪芯在微芯单片机解密领域,其解密技术手法在业界一直领先,作为芯片解密领先者,世纪芯团队经过数次实验,破解了微芯芯片,欢迎需求各微芯解密型号PIC18F2220芯片客户联系我们。
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28/40/44-Pin High-Performance,Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
Low-Power Features:
· Power Managed modes:
- Run: CPU on, peripherals on
- Idle: CPU off, peripherals on
- Sleep: CPU off, peripherals off
· Power Consumption modes:
- PRI_RUN: 150 uA, 1 MHz, 2V
- PRI_IDLE: 37 uA, 1 MHz, 2V
- SEC_RUN: 14 uA, 32 kHz, 2V
- SEC_IDLE: 5.8 uA, 32 kHz, 2V
- RC_RUN: 110 uA, 1 MHz, 2V
- RC_IDLE: 52 uA, 1 MHz, 2V
- Sleep: 0.1 uA, 1 MHz, 2V
· Timer1 Oscillator: 1.1 uA, 32 kHz, 2V
· Watchdog Timer: 2.1 uA
· Two-Speed Oscillator Start-up
Oscillators:
· Four Crystal modes:
- LP, XT, HS: up to 25 MHz
- HSPLL: 4-10 MHz (16-40 MHz internal)
· Two External RC modes, up to 4 MHz
· Two External Clock modes, up to 40 MHz
· Internal oscillator block:
- 8 user selectable frequencies: 31 kHz, 125 kHz,250 kHz, 500 kHz, 1 MHz, 2 MHz, 4 MHz, 8 MHz
- 125 kHz-8 MHz calibrated to 1%
- Two modes select one or two I/O pins
- OSCTUNE – Allows user to shift frequency
· Secondary oscillator using Timer1 @ 32 kHz
· Fail-Safe Clock Monitor
- Allows for safe shutdown if peripheral clock stops
Peripheral Highlights:
· High current sink/source 25 mA/25 mA
· Three external interrupts
· Up to 2 Capture/Compare/PWM (CCP) modules:
- Capture is 16-bit, max. resolution is 6.25 ns (TCY/16)
- Compare is 16-bit, max. resolution is 100 ns (TCY)
- PWM output: PWM resolution is 1 to 10-bit
· Enhanced Capture/Compare/PWM (ECCP) module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead-time
- Auto-Shutdown and Auto-Restart
· Compatible 10-bit, up to 13-channel Analog-to-Digital Converter module (A/D) with programmable acquisition time
· Dual analog comparators
· Addressable USART module:
- RS-232 operation using internal oscillator block (no external crystal required)
Special Microcontroller Features:
· 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
- 2% stability over VDD and Temperature
· Single-supply 5V In-Circuit Serial Programming(ICSP) via two pins
· In-Circuit Debug (ICD) via two pins
· Wide operating voltage range: 2.0V to 5.5V

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