深圳市中立信电子科技有限公司

ATMEGA1280-16AU

8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash

8位微控制器 -MCU 128kB Flash 4kB EEPROM 86 I/O Pins

ATMEGA1280-16AU Overview

The ATMEGA1280-16AU 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.

ATMEGA1280-16AU Features

• High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller

• Advanced RISC Architecture

– 135 Powerful Instructions – Most Single Clock Cycle Execution

– 32 × 8 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C/ 100 years at 25C

– 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