PIC18解密——PIC18F2221芯片解密

    PIC18F2221单片机破解是芯片解密研究所目前成功破解的典型PIC18系列单片机，下面是关于PIC18F2221单片机的主要性能特征介绍，我们提供给广大客户及各类技术工程师在芯片级解密项目合作中进行技术参考和分析。
PIC18F2221 FEATURES
Power-Managed Modes:
Run: CPU On, Peripherals On
Idle: CPU Off, Peripherals On
Sleep: CPU Off, Peripherals Off
Idle mode Currents Down to 2.5 霢 Typical
Sleep mode Currents Down to 500 nA Typical
Timer1 Oscillator: 1.8 霢, 32 kHz, 2V Typical
Watchdog Timer: 1.6 霢, 2V Typical
Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
Four Crystal modes, up to 40 MHz
4x Phase Lock Loop (PLL) - Available for Crystal and Internal Oscillators
Two External RC modes, up to 4 MHz
Two External Clock modes, up to 40 MHz
Internal Oscillator Block:
- 8 user-selectable frequencies, from 31 kHz to 8 MHz
- Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL
- User-tunable to compensate for frequency drift
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 Programmable External Interrupts
Four Input Change Interrupts
Up to 2 Capture/Compare/PWM (CCP) modules,one with Auto-Shutdown (28-pin devices)
Enhanced Capture/Compare/PWM (ECCP)module (40/44-pin devices only):
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
Peripheral Highlights (Continued):
Master Synchronous Serial Port (MSSP) module
Supporting 3-Wire SPI (all 4 modes) and I2C?
Master and Slave modes
Enhanced Addressable USART module:
- Supports RS-485, RS-232 and LIN/J2602
- Auto-wake-up on Start bit
- Auto-Baud Detect
10-Bit, up to 13-Channel Analog-to-Digital
Converter module (A/D):
- Auto-acquisition capability
- Conversion available during Sleep
Dual Analog Comparators with Input Multiplexing
Programmable 16-Level High/Low-Voltage
Detection (HLVD) module:
- Supports interrupt on High/Low-Voltage Detection
Special Microcontroller Features:
C Compiler Optimized Architecture:
- Optional extended instruction set designed to optimize re-entrant code
100,000 Erase/Write Cycle Enhanced Flash
Program Memory Typical
1,000,000 Erase/Write Cycle Data EEPROM
Memory Typical
Flash/Data EEPROM Retention: 100 Years Typical
Self-Programmable under Software Control
Priority Levels for Interrupts
8 x 8 Single-Cycle Hardware Multiplier
Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
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
Programmable Brown-out Reset (BOR) with Software Enable Option)
    芯片解密研究所长期专业承接PIC18F2221单片机破解等PIC18系列芯片解密项目合作，有相关芯片解密/单片机解密需求者请与我们联系咨询更多详情。
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