ATMEGA8A-AUR

The ATMEGA8A-AUR is a high-performance, low-power 8-bit AVR RISC-based Microcontroller combines 8kB ISP flash memory with read-while-write capabilities, 512byte EEPROM, 1kB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timers/counters with compare modes, internal and external interrupts, serial programmable USART, a byte oriented two-wire serial interface, 6-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, SPI serial port and five software selectable power saving modes. The device operates between 2.7 to 5.5V. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1MIPS per MHz, balancing power consumption and processing speed. The device is manufactured using Atmel’s high density non-volatile memory technology. The on-chip ISP flash allows the program memory to be reprogrammed in-system through an SPI serial interface.

• Advanced RISC architecture
• Power-on reset and programmable brown-out detection
• Internal calibrated RC oscillator
• External and internal interrupt sources
• Five sleep modes - idle, ADC noise reduction, power-save, power-down and standby
• 130 powerful instructions-most single clock cycle execution
• 32 x 8 general purpose working registers
• Fully static operation
• Up to 16MIPS throughput at 16MHz
• On-chip 2-cycle multiplier
• QTouch® library support
• Programmable watchdog timer with separate on-chip oscillator
• On-chip analogue comparator
• Two 8-bit timers/counters with separate prescaler and compare mode
• One 16-bit timer/counter with separate prescaler, compare mode and capture mode
• Real-time counter with separate oscillator
• Three PWM channels
• Programmable serial USART
• Serial peripheral interface (SPI)
• Byte-oriented two-wire serial interface

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