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)過多次反復實驗,耐斯迪可以為每一款芯片提供最具經(jīng)濟價值、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。