ATMEGA3290PV单片机——IC解密

　　最近，龙芯世纪解密工程师针对诸多较难芯片解密项目进行了整体研究，又实现了技术上的新突破。下面是有ATMEGA3290PV芯片的技术参考资料，有更多相关解密需求者请联系龙芯世纪。这里我们提供对ATMEGA3290PV单片机的基本描述，因为在IC解密/单片机解密服务中，首先需要对待解密的单片机内部基本结构特征有一定的了解，以便帮助客户与解密技术工程师顺利沟通，帮助解密工程师更好的理解单片机本身加解密特性，以最大限度确保解密的可靠性与安全性。
　　ATMEGA3290PV的特性：
　　High Performance, Low Power AVR 8-Bit Microcontroller
　　Advanced RISC Architecture
　　130 Powerful Instructions  Most Single Clock Cycle Execution
　　32 x 8 General Purpose Working Registers
　　Fully Static Operation
　　Up to 20 MIPS Throughput at 20 MHz
　　On-Chip 2-cycle Multiplier
　　Non-volatile Program and Data Memories
　　In-System Self-Programmable Flash, Endurance: 10,000 Write/Erase Cycles 32K bytes
　　Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation
　　EEPROM, Endurance: 100,000 Write/Erase Cycles 1K bytes
　　Internal SRAM 2K bytes
　　Programming Lock for Software Security
　　JTAG (IEEE std. 1149.1 compliant) Interface
　　Boundary-scan Capabilities According to the JTAG Standard
　　Extensive On-chip Debug Support
　　Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
　　Peripheral Features
　　4 x 25 Segment LCD Driver (ATmega329P)
　　4 x 40 Segment LCD Driver (ATmega3290P)
　　Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
　　One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
　　Real Time Counter with Separate Oscillator
　　Four PWM Channels
　　8-channel, 10-bit ADC
　　Programmable Serial USART
　　Master/Slave SPI Serial Interface
　　Universal Serial Interface with Start Condition Detector
　　Programmable Watchdog Timer with Separate On-chip Oscillator
　　On-chip Analog Comparator
　　Interrupt and Wake-up on Pin Change
　　Special Microcontroller Features
　　Power-on Reset and Programmable Brown-out Detection
　　Internal Calibrated Oscillator
　　External and Internal Interrupt Sources
　　Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
　　I/O and Packages
　　54/69 Programmable I/O Lines
　　64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP
　　Speed Grade:
　　ATmega329PV/ATmega3290PV: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V
　　ATmega329P/3290P: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V
　　Temperature range:
　　-40°C to 85°C Industrial
　　Ultra-Low Power Consumption
　　Active Mode: 420 μA at 1 MHz, 1.8V
　　Power-down Mode: 40 nA at 1.8V
　　Power-save Mode: 750 nA at 1.8V
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