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The Microchip ATmega128-16AUR is a high-performance 8-bit AVR microcontroller designed for complex embedded applications. Built on RISC architecture, it balances processing power, energy efficiency, and versatility, making it ideal for industrial automation, consumer electronics, and IoT projects.
Core: 8-bit AVR RISC
Clock Speed: 16 MHz (Internal/External Oscillator)
Memory: 128 KB Flash, 4 KB SRAM, 4 KB EEPROM
I/O Pins: 53 Programmable GPIOs
Communication: 4x UART, SPI, I²C (TWI)
Analog: 8-Channel 10-bit ADC
Package: 64-TQFP (10x10mm)
Voltage Range: 2.7V – 5.5V
High-Speed Processing
Achieves 16 MIPS throughput at 16 MHz, enabling real-time control for motor drives, sensor networks, and communication systems.
Rich Peripheral Integration
Multiple UART Ports: Simplify multi-device communication (e.g., RS485 networks).
Advanced PWM Modules: Support precision motor control and LED dimming.
10-bit ADC: Capture analog signals with 15 kSPS resolution.
Low-Power Modes
Optimize energy use with Idle, Power-save, and Power-down modes, critical for battery-operated IoT devices.
Factory Automation: PLCs, robotic control systems.
Consumer Electronics: Smart home hubs, LED displays.
Communications: Multi-protocol gateways (UART-to-WiFi).
Education: Embedded programming labs and STEM projects.
Memory Management: Use PROGMEM to store large datasets in Flash.
Power Optimization: Disable unused peripherals via the PRR register.
Signal Integrity: Add decoupling capacitors near the VCC/GND pins.
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Part Number | ATMEGA8-16AUR | ATMEGA8L-8AUR | ATMEGA162-16AUR | ATMEGA8-16MUR | ATMEGA8L-8MUR |
Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
Package/Case | 64-TQFP | 64-TQFP | 64-TQFP | 64-TQFP | 64-TQFP |
Packaging | Tape & Reel (TR),Cut Tape (CT) | Tape & Reel (TR),Cut Tape (CT) | Tape & Reel (TR),Cut Tape (CT) | Tape & Reel (TR),Cut Tape (CT) | Tape & Reel (TR),Cut Tape (CT) |
Series | AVR® ATmega | AVR® ATmega | AVR® ATmega | AVR® ATmega | AVR® ATmega |
ProductStatus | RoHS | RoHS | RoHS | RoHS | RoHS |
CoreProcessor | 16MHz | 16MHz | 16MHz | 16MHz | 16MHz |
CoreSize | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 |
Speed | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
Connectivity | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 | 4K x 8 |
Peripherals | Active | Active | Active | Active | Active |
NumberofI/O | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
ProgramMemorySize | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, I²C, SPI, UART/USART |
ProgramMemoryType | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
EEPROMSize | 53 | 53 | 53 | 53 | 53 |
RAMSize | AVR | AVR | AVR | AVR | AVR |
Voltage-Supply(Vcc/Vdd) | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b | A/D 8x10b |
DataConverters | Internal | Internal | Internal | Internal | Internal |
OscillatorType | 128KB (64K x 16) | 128KB (64K x 16) | 128KB (64K x 16) | 128KB (64K x 16) | 128KB (64K x 16) |
OperatingTemperature | FLASH | FLASH | FLASH | FLASH | FLASH |
MountingType | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
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