ATMEGA128A-AU SMD 8-Bit 16MHz Microcontroller

The ATMEGA128A-AU is a high-performance, low-power 8-bit AVR RISC-based microcontroller that combines 128KB of programmable flash memory, 4KB SRAM, 4KB EEPROM, an 8-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging. The device supports throughput of 16 MIPS at 16 MHz and operates between 4.5-5.5 volts.

Key Features

• 128KB of in-system programmable flash
• 4KB EEPROM
• 4KB Internal SRAM
• Up to 16 MIPS throughput at 16MHz
• Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
• Four 16-bit Timer/Counters with Separate Prescaler, Compare Mode, and Capture Mode
• Real Time Counter with Separate Oscillator
• Eight Channel, 10-bit ADC
• JTAG (IEEE std. 1149.1 compliant) Interface
• Operating Voltage: 4.5 - 5.5V

Technical Specifications

• Product Category: 8-bit Microcontrollers - MCU
• RoHS: Compliant
• Mounting Style: SMD/SMT
• Package / Case: TQFP-64
• Speed: 16MHz
• Core: AVR
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Program Memory Size: 128KB
• Data RAM Size: 4KB
• Operating Supply Voltage: 4.5 - 5.5V

Possible Applications

The ATMEGA128A-AU Microcontroller is ideal for a wide range of applications, including:

• Industrial control
• Home automation
• Robotics
• Automotive
• Internet of Things (IoT) devices

Datasheet