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Rabu, 18 Juli 2012

ATMega1280 risc microcontroller

The ATMEGA1280 high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 128KB ISP flash memory, 8KB SRAM, 4KB EEPROM, 86 general purpose I/O lines, 32 general purpose working registers, real time counter, six flexible timer/counters with compare modes, PWM, 4 USARTs, byte oriented 2-wire serial interface, 16-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging. The device achieves a throughput of 16 MIPS at 16 MHz and operates between 2.7-5.5 volts.
By executing powerful instructions in a single clock cycle, the device achieves a throughput approaching 1 MIPS per MHz, balancing power consumption and processing speed.

Key parameters for ATmega1280
  • Parameter :Value
  • Flash (Kbytes): 128 Kbytes
  • Pin Count: 100
  • Max. Operating Frequency:16 MHz
  • CPU: 8-bit AVR
  • # of Touch Channels:16
  • Hardware QTouch Acquisition:No
  • Max I/O Pins:86
  • Ext Interrupts:32
  • USB Speed:No
  • USB Interface:No
  • SPI:5
  • TWI (I2C):1
  • UART:4
  • Graphic LCD:No
  • Video Decoder:No
  • Camera Interface:No
  • ADC channels:16
  • ADC Resolution (bits):10
  • ADC Speed (ksps):15
  • Analog Comparators:1
  • Resistive Touch Screen:No
  • DAC Resolution (bits):0
  • Temp. Sensor:No
  • Crypto Engine:No
  • SRAM (Kbytes):8
  • EEPROM (Bytes):4096
  • Self Program Memory:YES
  • External Bus Interface:0
  • DRAM Memory:No
  • NAND Interface:No
  • picoPower:No
  • Temp. Range (deg C):-40 to 85
  • I/O Supply Class:1.8 to 5.5
  • Operating Voltage (Vcc):1.8 to 5.5
  • FPU:No
  • MPU / MMU:no / no
  • Timers:6
  • Output Compare channels:16
  • Input Capture Channels:4
  • PWM Channels:15
  • 32kHz RTC:Yes
  • Calibrated RC Oscillator:Yes

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