耐斯迪里程碑：AT89S58芯片解密

來源：IC解密-耐斯迪   時間：2010-10-22   閱讀：535次
　　耐斯迪長期從事業(yè)界疑難芯片解密技術(shù)研究、芯片解密成本降低技術(shù)手法研究、芯片解密100%成功率技術(shù)研究、單機(jī)片軟件解密技術(shù)研究等領(lǐng)域，特別是對芯片解密中的過錯攻擊技術(shù)、硬件安全分析、UV 攻擊技術(shù)、EEPROM 和 Flash技術(shù)分析、安全保護(hù)位置的查找以及侵入式攻擊與非侵入式攻擊技術(shù)，均擁有透徹的理解和豐富的實戰(zhàn)應(yīng)用經(jīng)驗，耐斯迪在芯片解密領(lǐng)域始終先人一步。
　　AT89S58芯片是耐斯迪新解密的一款，現(xiàn)將資料呈現(xiàn)如下：
　　? 80C52 Compatible
　　- 8051 Instruction Compatible
　　- Six 8-bit I/O Ports (64 Pins or 68 Pins Versions)
　　- Four 8-bit I/O Ports (44 Pins Version)
　　- Three 16-bit Timer/Counters
　　- 256 Bytes Scratch Pad RAM
　　- 9 Interrupt Sources with 4 Priority Levels
　　? Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply (AT89S64Only)
　　? ISP (In-System Programming) Using Standard VCC Power Supply
　　? 2048 Bytes Boot ROM Contains Low Level Flash Programming Routines and a DefaultSerial Loader
　　? High-speed Architecture
　　- In Standard Mode: 40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)   60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
　　- In X2 mode (6 Clocks/machine cycle)  20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)  30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)
　　? 16K/32K/64K Bytes On-chip Flash Program/Data Memory
　　- Byte and Page (128 Bytes) Erase and Write
　　- 100k Write Cycles
　　? On-chip 1792 bytes Expanded RAM (XRAM) for AT89S64, 768 Bytes for AT89S54/58
　　- Software Selectable Size (0, 256, 512, 768, 1024, 1792 Bytes)
　　- 768 Bytes Selected at Reset for AT89S64
　　- 256 Bytes Selected at Reset for AT89S54/58
　　? Dual Data Pointer
　　? Variable Length MOVX for Slow RAM/Peripherals
　　? Improved X2 Mode with Independent Selection for CPU and Each Peripheral
　　? 8-bit Clock Prescaler
　　? 16-bit Programmable Counter Array
　　- High Speed Output
　　- Compare/Capture
　　- Pulse Width Modulator
　　- Watchdog Timer Capabilities
　　? Asynchronous Port Reset
　　? Full-duplex Enhanced UART with Dedicated Internal Baud Rate Generator
　　? Low EMI (Inhibit ALE)
　　? Hardware Watchdog Timer (One-time Enabled with Reset-Out), Power-off Flag
　　? Power Control Modes: Idle Mode, Power-down Mode
　　? Single Range Power Supply: 2.7V to 5.5V
　　? Industrial Temperature Range (-40 to +85°C)
　　? Packages: PLCC44, PDIL40
　　經(jīng)過多次反復(fù)實驗，耐斯迪可以為每一款芯片提供最具經(jīng)濟(jì)價值、最具可靠性、最具成本控制優(yōu)勢的解密技術(shù)手法。有任意芯片解密需求者請直接與我們聯(lián)系。