The ATmega8A Microcontroller is a 32-pin microcontroller with 8-bit AVR Architecture. The controller has an in-built internal oscillator and watchdog timer. It has 32kB of Flash memory and 512 bytes of EEPROM. ATmega8A Microcontroller has an operating voltage from 2.7V to 5.5V hence suitable for low voltage applications. It has two 8-bit timer and one 16-bit timer, 1 comparator and 8 channel 10-bit ADC. It supports UART, I2C and SPI communication protocols. It has internal and external interrupts and also supports five power saving modes. Other Atmega boards include Atmega32A, Atmega328P.
Pin Description of ATmega8A Microcontroller
Features of ATmega8A Microcontroller
- Advanced RISC Architecture
- 130 Powerful Instructions, 32 × 8 General Purpose Working Registers,
- Fully Static Operation,
- Up to 16 MIPS Throughput at 16MHz, On-chip 2-cycle Multiplier
- 23 Programmable I/O Lines
- Operating Voltages : 4.5V - 5.5V
- Power Consumption at 4Mhz, 3V, 25°C : Active: 3.6mA ;Idle Mode: 1.0mA ;Power-down Mode: 0.5µA
- Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
- Internal Calibrated RC Oscillator
- External and Internal Interrupt Sources
- Programmable Serial USART
- Real Time Counter with Separate Oscillator
- Three PWM Channels
- 8Kbytes of In-System Self-programmable Flash program memory, 512Bytes EEPROM, 1Kbyte Internal SRAM
- Data retention: 20 years at 85°C/100 years at 25°C
Dimensional Drawing of ATmega8A Microcontroller
1× ATmega8A Microcontroller
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