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EM78P163N芯片解密技术方案

时间:2011-10-28 14:22:22

世纪芯经营解密及反向研究数十年,执着芯片解密技术研究,在芯片解密,芯片设计,芯片服务,及电子产品反向设计生产领域开展业务。我们目前是国内唯一一家涉及微电子集成电路方案到应用电子技术及电子产品两个上下游行业的技术方案供应商。涉及的芯片解密业务包括MICROCHIP、ALTERA、XILINIX、ATMEL、PHILIPS、MOTOLORA、ST、义隆、三菱、富士通、日立、合泰、松翰、宏晶、英飞凌等四十余种芯片。以下的义隆EM78P163N芯片解密技术方案便是一典型案例。
    EM78P163N概述
  The EM78P163N is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. It has an on-chip 1Kx13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides three protection bits to prevent intrusion of user's OTP memory code as well as from unwanted external accesses. Several code option bits are available to meet user's requirements.
With its enhanced OTP-ROM feature, the EM78P163N provides a convenient way of developing and verifying user's programs. Moreover, this OTP device offers the advantages of easy and effective program updates, using development and programming tools. User can avail of the ELAN Writer to easily program his development code.
 
  EM78P163N特性
  ·CPU Configuration
  - 1Kx13 bits on-chip ROM
  - 48x8 bits on-chip registers (SRAM, general purpose)
  - 5 level stacks for subroutine nesting
  - Less than 1.5 Ma at 5V/IRC 4 MHz
  - Typically 15 Ua, at 3V/32kHz
  - Typically 1 Ua, during Sleep mode
  - 3 programmable Level Voltage Reset (LVR):4.0V, 3.3V 2.4V
  - Power-on Reset (POR): 1.8V
  ·I/O Port Configuration
  - 2 bidirectional I/O ports : P5, P6
  - Wake-up port : P6
  - 7 programmable pull-down I/O pins
  - 7 programmable pull-high I/O pins
  - 7 programmable open-drain I/O pins
  - External interrupt : P60
  ·Operating Voltage Range:
  - Operating voltage: 2.0V~5.5V at 0°C ~70°C (commercial)
  - Operating voltage: 2.2V~5.5V at -40°C ~85°C (industrial)
  ·Operating Frequency range (base on 2 clocks):
  - Crystal Mode:
    DC~20MHz/2clks @ 5V
    DC~8MHz/2clks @ 3V
    DC~4MHz/2clks @ 2.1V
  - ERC Mode:
    DC~16 MHz/2clks @ 4.5V
    DC~12 MHz/2clks @ 4V
    DC~4MHz/2clks @ 2.1V
  - Internal RC Drift Rate:
  - (Ta=25°C, VDD=5V ± 5%, VSS=0V)
  ·Peripheral Configuration
  - 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
  - One comparator (typical offset voltage 10mV when input voltage range 0.5V~4.5V) with Cin+/internal Vref level select and Cin- 4 channel switch.
  - One Pulse Width Modulation (PWM ) with 10-bit resolution· High EFT immunity
  - Power down mode (Sleep mode)
  ·Five available Interrupts:
  - TCC overflow interrupt
  - Input-port status changed interrupt (wake-up from sleep mode)
  - External interrupt
  - PWM period match completion
  - Comparator output change interrupt
  ·Other Features
  - Programmable prescaler of oscillator set-up time
  - One security register to prevent intrusion of user's OTP memory code
  - One configuration register to match user's requirements
  - Two clocks per instruction cycle
  - TBRD instruction
  ·Package Type:
  - 14-pin DIP 300mil : EM78P163ND14J
  - 14-pin SOP 150mil : EM78P163NSO14J
  - 16-pin DIP 300mil : EM78P163ND16J
  - 16-pin SOP 150mil : EM78P163NSO16J
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