MICROCHIP ATMEGA1280-16AU

The ATmega640/1280/1281/2560/2561 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega640/1280/1281/2560/2561 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

• High Performance, Low Power Atmel AVR 8-Bit Microcontroller
• Advanced RISC Architecture – 135 Powerful Instructions – Most Single Clock Cycle Execution – 32x8 General Purpose Working Registers – Fully Static Operation – Up to 16 MIPS Throughput at 16MHz – On-Chip 2-cycle Multiplier
• High Endurance Non-volatile Memory Segments – 64K/128K/256KBytes of In-System Self-Programmable Flash – 4Kbytes EEPROM – 8Kbytes Internal SRAM – Write/Erase Cycles:10,000 Flash/100,000 EEPROM – Data retention: 20 years at 85℃, 100 years at 25℃ – Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation – Programming Lock for Software Security
• Endurance: Up to 64Kbytes Optional External Memory Space
• Atmel QTouch library support – Capacitive touch buttons, sliders and wheels – QTouch and QMatrix acquisition – Up to 64 sense channels
• 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℃ to 85℃ Industrial
• Ultra-Low Power Consumption – Active Mode: 1MHz, 1.8V: 500µA – Power-down Mode: 0.1µA at 1.8V
• Speed Grade:
  • ATmega640V/ATmega1280V/ATmega1281V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
  • ATmega2560V/ATmega2561V: 0 - 2MHz @ 1.8V - 5.5V, 0 - 8MHz @ 2.7V - 5.5V
  • ATmega640/ATmega1280/ATmega1281: 0 - 8MHz @ 2.7V - 5.5V, 0 - 16MHz @ 4.5V - 5.5V
  • ATmega2560/ATmega2561: 0 - 16MHz @ 4.5V - 5.5V