Reverse Engineering Microcontroller ATMEGA1281 purpose is to unlock mcu atmega1281 flash memory and then copy Program and data from atmega1281 memory to new MCU;
Features
High Performance, Low Power AVR® 8-Bit Microcontroller
Advanced RISC Architecture
– 135 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16 MIPS Throughput at 16 MHz
– On-Chip 2-cycle Multiplier
Non-volatile Program and Data Memories
– 64K/128K/256K Bytes of In-System Self-Programmable Flash
Endurance: 10,000 Write/Erase Cycles
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– 4K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
– 8K Bytes Internal SRAM
– Up to 64K Bytes Optional External Memory Space
– 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 when copy cpld epm9320arc208
– Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– Four 16-bit Timer/Counter with Separate Prescaler, Compare- and Capture Mode
– Real Time Counter with Separate Oscillator
– Four 8-bit PWM Channels
– Six/Twelve PWM Channels with Programmable Resolution from 2 to 16 Bits (ATmega1281/2561, ATmega640/1280/2560)
– Output Compare Modulator
– 8/16-channel, 10-bit ADC
– Two/Four Programmable Serial USART (ATmega1281/2561,ATmega640/1280/2560)
– Master/Slave SPI Serial Interface
– Byte Oriented 2-wire Serial Interface
– Programmable Watchdog Timer with Separate On-chip Oscillator after Reverse engineering Microcontroller
– 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 when Reverse engineering Microcontroller
– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
I/O and Packages
– 51/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
– 64-lead (ATmega1281/2561)
– 100-lead (ATmega640/1280/2560)
– 100-lead TQFP (64-lead TQFP Option)
Temperature Range:
– -40°C to 85°C Industrial if Reverse engineering Microcontroller
Speed Grade:
Programmable Flash
– ATmega1281/2561V/ATmega640/1280/2560V: 0 – 4 MHz @ 1.8 – 5.5V, 0 – 8 MHz @ 2.7 – 5.5V
– ATmega640/1280/1281/2560/2561: 0 – 8 MHz @ 2.7 – 5.5V, 0 – 16 MHz @ 4.5 – 5.5V before Reverse engineering Microcontroller