ATMEGA128-16AU
- Mfr.Part #
- ATMEGA128-16AU
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 128KB FLASH 64TQFP
- Stock
- 9,483
- In Stock :
- 9,483
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Bit Size :
- 8
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/Os :
- 53 I/O
- Access Time :
- 16 μs
- Terminal Position :
- QUAD
- Temperature Grade :
- Industrial
- Number of Timers/Counters :
- 4
- Data Bus Width :
- 8B
- Mount :
- Surface Mount
- Pin Count :
- 64
- Mounting Style :
- SMD/SMT
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Dimensions :
- 14.1 x 14.1 x 1.05mm
- REACH SVHC :
- No SVHC
- Number of Bits :
- 8
- Number of Terminals :
- 64
- ROM (words) :
- 65536
- Base Part Number :
- ATMEGA128
- Core Processor :
- AVR
- Tradename :
- AVR
- Package Shape :
- Square
- Format :
- FIXED-POINT
- Manufacturer :
- Microchip
- Manufacturer Package Identifier :
- 64A
- RAM Size :
- 4K x 8
- Applications :
- --
- Schedule B :
- 8542310000
- Number of I2C Channels :
- 1
- Brand :
- Microchip Technology / Atmel
- Oscillator Type :
- Internal
- Height :
- 1.05mm
- Product :
- MCU
- Series :
- AVR® ATmega
- Has ADC :
- yes
- Boundary Scan :
- yes
- Terminal Pitch :
- 0.8 mm
- Operating Supply Voltage :
- 5V
- Package :
- Tray
- Product Status :
- Active
- Lead Free :
- Lead Free
- Interface :
- 2-Wire, EBI/EMI, I2C, SPI, UART, USART
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Width :
- 14.1mm
- Number of Serial I/Os :
- 2
- Max Frequency :
- 16 MHz
- Voltage :
- 5V
- Memory Size :
- 128kB
- Length :
- 14.1mm
- DMA Channels :
- No
- Min Operating Temperature :
- -40 °C
- DAC Channels :
- No
- Number of Timers :
- 4
- Number of I/O Lines :
- 53
- Radiation Hardening :
- No
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of ADC Channels :
- 8
- Supplier Device Package :
- 64-TQFP (14x14)
- Min Supply Voltage :
- 4.5 V
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Number of External Interrupts :
- 8
- Power Supplies :
- 5V
- Voltage - Supply :
- 4.5 V ~ 5.5 V
- Base Product Number :
- ATMEGA128
- Factory Lead Time :
- 8 Weeks
- Integrated Cache :
- No
- Seated Height-Max :
- 1.2 mm
- Data Converters :
- A/D 8x10b
- Watchdog Timer :
- yes
- Frequency :
- 16MHz
- Product Category :
- 8-bit Microcontrollers - MCU
- Contact Plating :
- Tin
- DAC Resolution :
- -
- Surface Mount :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- RoHS Status :
- ROHS3 Compliant
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Mounting Type :
- Surface Mount
- CPU Family :
- AVR RISC
- Low Power Mode :
- yes
- Program Memory Type :
- Flash
- Number of SPI Channels :
- 1
- Operating Temperature :
- -40°C~85°C TA
- Voltage - Supply (Vcc/Vdd) :
- 4.5V~5.5V
- Terminal Form :
- Gull wing
- Supply Voltage :
- 5V
- Typical Operating Supply Voltage :
- 4.5 → 5.5 V
- Density :
- 1 Mb
- On Chip Program ROM Width :
- 16
- Number of Programmable I/O :
- 53
- External Data Bus Width :
- 8
- Pbfree Code :
- yes
- Number of PWM Channels :
- 6
- Package Type :
- TQFP
- Core Size :
- 8-Bit
- Core Architecture :
- AVR
- Reach Compliance Code :
- Compliant
- Maximum Operating Temperature :
- +85 °C
- Product Type :
- 8-bit Microcontrollers - MCU
- Family Name :
- ATMEGA
- Device Core :
- AVR
- RoHS :
- Details
- Minimum Operating Temperature :
- -40 °C
- Controller Series :
- --
- Connectivity :
- EBI/EMI, I2C, SPI, UART/USART
- Program Memory Size :
- 128KB 64K x 16
- RAM (bytes) :
- 4096
- Number of Terminations :
- 64
- Number of I/O :
- 53
- JESD-609 Code :
- e3
- Number of Pins :
- 64
- Qualification Status :
- Not Qualified
- Instruction Set Architecture :
- RISC
- Max Operating Temperature :
- 85 °C
- Data Converter :
- A/D 8x10b
- JESD-30 Code :
- S-PQFP-G64
- Package / Case :
- 64-TQFP
- Max Supply Voltage :
- 5.5 V
- Supply Current-Max :
- 19 mA
- Speed :
- 16MHz
- Address Bus Width :
- 8B
- Memory Type :
- EEPROM, FLASH
- Published :
- 1997
- On Chip Data RAM Width :
- 8
- PWM Channels :
- yes
- Packaging :
- Tray
- EEPROM Size :
- 4K x 8
- ROM Programmability :
- Flash
- Interfaces :
- JTAG/TWI/SPI/USART
- Datasheets
- ATMEGA128-16AU
ATMEGA128-16AU Documents

Microcontrollers Microchip Technology ATMEGA128-16AU Overview
The Microcontrollers Microchip Technology ATMEGA128-16AU is a high-performance, low-power 8-bit MCU from Microchip's popular AVR® family, designed to offer a perfect balance of power and flexibility. With a substantial 128KB of in-system programmable flash, this MCU is an ideal choice for demanding applications that require rapid processing and versatile operations. Its TQFP-64 packaging ensures a compact footprint while allowing for robust interfacing capabilities, making it particularly suitable for industrial, automotive, and consumer electronics applications where space and reliability are critical. The incorporation of advanced RISC architecture enables this microcontroller to execute powerful instructions in a single clock cycle, enhancing its efficiency and throughput capabilities significantly.
ATMEGA128-16AU Features
The ATMEGA128-16AU boasts an impressive array of features, including 128KB of flash memory, 4KB of EEPROM, and 4KB of SRAM. This microcontroller operates at a frequency of up to 16MHz and features multiple power-saving modes, which make it highly suitable for battery-operated applications. Additionally, it supports a wide range of peripherals such as USART, SPI, and I2C interfaces, along with 53 general-purpose I/O lines, 8-channel 10-bit ADC, JTAG interface for on-chip-debug, and up to six flexible Timer/Counters with compare modes. Its robust hardware attributes, coupled with comprehensive interrupt capabilities, make it highly adaptable for complex digital tasks.
ATMEGA128-16AU Applications
- Automotive Systems: Utilized in car entertainment systems, providing control and processing power needed for audio and visual media handling.
- Industrial Automation: Serves as the brain for automation controllers, enabling precise management of machinery and process parameters.
- Consumer Electronics: Powers sophisticated household gadgets like smart thermostats, offering connectivity and control features.
- Telecommunication: Used in communication infrastructure equipment, enhancing data processing capabilities and reliability.
- Medical Devices: Key component in medical monitoring systems, facilitating real-time patient data analysis and equipment control.
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