MSP430F1612解密--TI MSP430F系列单片机解密

　　在芯片解密/单片机解密过程中，对芯片本身的内部结构及其加解密特征进行技术分析师解密工程师的一项必修课，因为只有深入理解芯片的内部技术参数，才能针对每一款芯片提供最合适最可靠的解密方案。而对于客户来说，对芯片技术特征有一定了解，也能够更好的对解密难易程度及解密报价信息进行参考对比。
　　因此，这里，我们首先提供对MSP430F1612单片机的简单介绍及其功能特征分析，供客户及解密工程师参考借鉴
　　MSP430F1612简介
　　The Texas Instruments MSP430 family of ultralow-power microcontrollers consist of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low power modes is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that attribute to maximum code efficiency.The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6μs.
　　The MSP430x11x2 and MSP430x12x2 series are ultralow-power mixed signal microcontrollers with a built-in 16-bit timer, 10-bit A/D converter with integrated reference and data transfer controller (DTC) and fourteen or twenty-two I/O pins. In addition, the MSP430x12x2 series microcontrollers have built-in communication capability using asynchronous (UART) and synchronous (SPI) protocols.
　　MSP430F1612 FEATURES
　　Low Supply Voltage Range 1.8 V ? 3.6 V
　　Ultralow-Power Consumption:
　　Active Mode: 200 μA at 1 MHz, 2.2 V
　　Standby Mode: 0.7 μA
　　Off Mode (RAM Retention): 0.1 μA
　　Five Power Saving Modes
　　Wake-Up From Standby Mode in less than 6 μs
　　16-Bit RISC Architecture, 125 ns Instruction Cycle Time
　　Basic Clock Module Configurations:
　　Various Internal Resistors
　　Single External Resistor
　　32-kHz Crystal
　　High Frequency Crystal
　　Resonator
　　External Clock Source
　　16-Bit Timer_A With Three Capture/Compare Registers
　　10-Bit, 200-ksps A/D Converter With Internal Reference, Sample-and-Hold,Autoscan, and Data Transfer Controller
　　Serial Communication Interface (USART0) With Software-Selectable Asynchronous UART or Synchronous SPI (MSP430x12x2 Only)
　　Serial Onboard Programming,No External Programming Voltage Needed Programmable Code Protection by Security Fuse
　　Supply Voltage Brownout Protection
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