ATmega1281 带有128K系统内可编程Flash存储器

Flash (Kbytes) 128
EEPROM (Kbytes) 4
SRAM (Bytes) 8192
Max I/O Pins 54
F.max (MHz) 16
Vcc (V) 1.8-5.5
16-bit Timers 4
8-bit Timer 2
PWM (channels) 9
RTC   Yes
SPI 1+USART
UART 2
TWI Yes
ISP Yes
10-bit A/D (Channe) 8
Analog Comparator Yes
Brown Out Detector Yes
Watchdog Yes
On Chip Oscillator   Yes
Hardware Multiplie Yes
Interrupts 48
Ext Interrupts 17
Self Program Memor Yes
Packages TQFP 64 
MLF 64

128-Kbyte self-programming Flash Program Memory, 8-Kbyte SRAM, 4-KByte EEPROM, 8 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. Up to 16 MIPS throughput at 16 MHz. 1.8 - 5.5 Volt Operation.

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.

ATmega1281 特性
ATmega1281 订购型号
Speed (MHz) Power Supply Ordering Code Package Operation Range
8 1.8-5.5V ATmega1281V-8AU
ATmega1281V-8MU
64A
64M2
Industrial (-40°C to 85°C)
16 2.7-5.5V ATmega1281-16AU
ATmega1281-16MU
64A
64M2
Industrial (-40°C to 85°C)
ATmega1281 应用技术支持与电子电路设计开发资源下载
  1. ATMEL 爱特梅尔AVR 微控制器ATmega1280 数据手册DataSheet 下载. PDF(完整版)
  2. ATMEL 爱特梅尔AVR 微控制器ATmega1280 数据手册DataSheet 下载 .PDF(简洁版)
  3. Atmel 爱特梅尔AVR 微控制器简介.PDF (编号:Tech AVR 000)MLF 32
  4. 面向新手的AVR 开发工具,及基本知识.PDF(编号:Tech AVR 001)
  5. 使用AVR 定时/计数器的PWM功能设计要点 .PDF
  6. AVR指令集(版本:0856G–AVR–07/08)
  7. AVR 微控制器汽车应用解决方案 . pdf
  8. AVR 微控制器选型指南. pdf
  9. ATMEL 爱特梅尔公司全线产品目录. pdf