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ATMEGA8U2-AU, 8bit AVR Microcontroller, 16MHz, 8 kB Flash, 32-Pin TQFP
Description:
- AVR RISC-based 8-bit high-performance, low-power microcontroller, the ATMEGA8U2-AU was created by Microchip Technology.
- High Performance AVR Core:
- Performs strong commands in a single clock cycle.
- Throughput approaches 1 MIPS (Million Instructions Per Second) per MHz.
- Balances power usage and processing speed well.
- Memory:
- 8 kB of in-system programmable flash.
- 512 byte EEPROM.
- 512 bytes of SRAM.
- An 8 kB bootloader allows for speedy and secure updates.
- Peripheral features:
- USB 2.0 full- and low-speed device with six terminals.
- Serial USART is programmable.
- SPI serial interface (master/slave).
- Twelve programmable I/O lines allow for a wide range of applications.
- Robust Development and Debugging.
- JTAG interface allows for on-chip debugging.
- Interruptions can occur both within and externally.
- True Read-While-Writing capabilities.
- Oscillators and Timer:
- Three configurable 8-bit timers/counters with comparison modes.
- One 16-bit timer/counter with compare and capture modes.
- Real-time counter with a separate oscillator.
- Power Management:
- Operates between 2.7V and 5.5V.
- There are three types of waiting modes: active, idle, and powered down.
- Communication Interfaces:
- USB, UART, SPI, and I2C protocols are all supported.
Specifications:
- Core:
- Architecture: 8-bit AVR.
- Clock Speed: Up to 16 MHz.
- Instruction Set: RISC.
- Memory:
- Flash Memory: 8 kB.
- EEPROM: 512 Bytes.
- SRAM: 512 Bytes.
- Peripherals and Features:
- USB 2.0 Full-speed/Low-speed Device:
- Up to 6 Endpoint configurations.
- USART: Programmable serial communication.
- SPI: Master/Slave SPI Serial Interface.
- I/O Ports:
- Total of 12 Programmable I/O Lines.
- Oscillators and Timers:
- Timers:
- Three 8-bit Timer/Counters.
- One 16-bit Timer/Counter.
- Clock Source:
- Internal 8 MHz RC Oscillator.
- External sources supported.
- Power:
- Operating Voltage: 2.7V - 5.5V.
- Power Consumption:
- Active Mode: < 1 mA at 3V, 1 MHz.
- Power-down Mode: < 1 µA at 3V.
- Additional Features:
- Interrupt Controller: External and internal interrupts.
- Debugging:
- JTAG interface.
- Supports on-chip debugging.
- Read-While-Write: Data Flash readable during program execution.
- Operating Temperature Range: -40°C to 85°C.
- Package:
- Type: 32-Pin TQFP.
- Dimensions: 7 x 7 mm.
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