耐斯迪里程碑：AT89S58芯片解密

来源：IC解密-耐斯迪   时间：2010-10-22   阅读：535次
　　耐斯迪长期从事业界疑难芯片解密技术研究、芯片解密成本降低技术手法研究、芯片解密100%成功率技术研究、单机片软件解密技术研究等领域，特别是对芯片解密中的过错攻击技术、硬件安全分析、UV 攻击技术、EEPROM 和 Flash技术分析、安全保护位置的查找以及侵入式攻击与非侵入式攻击技术，均拥有透彻的理解和丰富的实战应用经验，耐斯迪在芯片解密领域始终先人一步。
　　AT89S58芯片是耐斯迪新解密的一款，现将资料呈现如下：
　　? 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
　　经过多次反复实验，耐斯迪可以为每一款芯片提供最具经济价值、最具可靠性、最具成本控制优势的解密技术手法。有任意芯片解密需求者请直接与我们联系。