有ATMEGA1281解密需求者请与橙盒科技联系咨询解密详情及报价，我们多年来始终专注于各类单片机解密、IC解密技术研究和破解，依托长期以来的实践经验及技术研究成果为广大客户提供安全可靠、成功率高、价格合理、周期短等优质解密服务，可为广大电子工程师及电子企业的项目开发和学习研究提供全方位技术支持。、
芯片解密咨询电话：0755- 82221641，82173585
咨询QQ：1357273089，994589503
Email：chkeji@126.com <mailto:chkeji@126.com>
ATMEGA1281 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
- 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 (ATmega1281/2561, ATmega640/1280/2560)
- 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
- 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
- Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
I/O and Packages
- 54/86 Programmable I/O Lines (ATmega1281/2561, ATmega640/1280/2560)
- 64-pad QFN/MLF, 64-lead TQFP (ATmega1281/2561)
- 100-lead TQFP, 100-ball CBGA (ATmega640/1280/2560)
- RoHS/Fully Green
Temperature Range:
- -40°C to 85°C Industrial
Ultra-Low Power Consumption
- Active Mode: 1 MHz, 1.8V: 510 μA
- Power-down Mode: 0.1 μA at 1.8V
Speed Grade (see “Maximum speed vs. VCC” on page 377):
- ATmega640V/ATmega1280V/ATmega1281V:0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
- ATmega2560V/ATmega2561V:0 - 2 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
- ATmega640/ATmega1280/ATmega1281:0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V
- ATmega2560/ATmega2561:0 - 16 MHz @ 4.5 - 5.5V
