PIC18F2321单片机解密——PIC解密

　　PIC18F2321单片机解密等MICROCHIP公司的PIC18系列单片机解密是芯谷芯片解密研究所目前已经成功破解且拥有成熟解密方案的典型解密项目之一。
　　PIC18F2321单片机解密，首先可以对PIC18F2321单片机的内部技术特征进行初步了解，这不仅可以帮助芯片解密工程师对更好的理解芯片内部结构及其加解密性质，而且可以帮助客户理解芯片相关技术信息，更好对解密项目进行理解和沟通。
　　因此，下面我们将提供对PIC18F2321单片机的主要性能特征介绍。
　　PIC18F2321 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 μA Typical
　　Sleep mode Currents Down to 500 nA Typical
　　Timer1 Oscillator: 1.8 μA, 32 kHz, 2V Typical
　　Watchdog Timer: 1.6 μA, 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)
　　欲了解更多PIC18F2321单片机解密等PIC系列芯片解密详情，请与芯谷芯片解密研究所联系
　　注：芯谷芯片解密研究所是目前国内最权威的芯片解密技术研究机构之一，主攻单片机解密（MCU解密）、专用IC解密、芯片解密、PLD芯片解密、CPLD芯片解密、FPGA解密、DSP芯片解密、ARM芯片解密，软件解密，单片机软硬件开发等技术研究，针对数万种典型芯片均能够提供优质可靠的解密服务。