Microchip Technology ATMEGA1281-16AU Microcontroller, Microprocessor, FPGA Modules
IC MCU 8BIT 128KB FLASH 64TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA1281-16AU
Detailed Description
IC MCU 8BIT 128KB FLASH 64TQFP
Package
64-TQFP
Key Features
Package / Case: 64-TQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATMEGA1281-16AU Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATMEGA1281-16AU Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
ATmega128x
RAM Size
8K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
RoHS
True
Package / Case
64-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATMEGA1281-16AU vs ATSAMC20J17A-ANTS2 vs PIC32MX450F128H-I/PT vs PIC24FJ128GA306-I/PT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 64-TQFP | 64-TQFP | 64-TQFP | 64-TQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.3V ~ 3.6V | 2V ~ 3.6V |
| Core Processor | AVR | ARM® Cortex®-M0+ | MIPS32® M4K™ | PIC |
| Core Size | 8-Bit | 32-Bit Single-Core | 32-Bit Single-Core | 16-Bit |
| RAM Size | 8K x 8 | 16K x 8 | 32K x 8 | 8K x 8 |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART | I²C, LINbus, SPI, UART/USART | I²C, IrDA, LINbus, PMP, SPI, UART/USART, USB OTG | I²C, IrDA, LINbus, SPI, UART/USART |
| Data Converters | A/D 8x10b | A/D 12x12b | A/D 28x10b | A/D 16x10b/12b |
| Number of I/O | 54 | 52 | 49 | 53 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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