Microchip Technology ATXMEGA256D3-MH Microcontroller, Microprocessor, FPGA Modules
IC MCU 8/16BIT 256KB FLASH 64QFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATXMEGA256D3-MH
Detailed Description
IC MCU 8/16BIT 256KB FLASH 64QFN
Package
64-VFQFN Exposed Pad
Key Features
Package / Case: 64-VFQFN Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATXMEGA256D3-MH Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATXMEGA256D3-MH Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
Series
AVR® XMEGA® D3
Interface
I2C, IrDA, SPI, UART, USART
Memory Size
256 kB
RAM Size
16K x 8
Data Bus Width
8 b
RoHS
Yes
Number of Pins
64
Package / Case
64-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Alternate Parts Comparison (ATXMEGA256D3-MH vs ATXMEGA256A3U-MN vs ATXMEGA384C3-MN vs ATXMEGA128D3-MH)
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-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 1.6V ~ 3.6V | 1.6V ~ 3.6V |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8/16-Bit | 8/16-Bit | 8/16-Bit | 8/16-Bit |
| RAM Size | 16K x 8 | 16K x 8 | 32K x 8 | 8K x 8 |
| Connectivity | I²C, IrDA, SPI, UART/USART | I²C, IrDA, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART, USB | I²C, IrDA, SPI, UART/USART |
| Data Converters | A/D 16x12b | A/D 16x12b; D/A 2x12b | A/D 16x12b | A/D 16x12b |
| EEPROM Size | 4K x 8 | 4K x 8 | 4K x 8 | 2K x 8 |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Program Memory Size | 256KB (128K x 16) | 256KB (128K x 16) | 384KB (384K x 8) | 128KB (64K x 16) |
| 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 .
Suggested replacements
S912XEG256BVALNXP SemiconductorsNXP
IC MCU 16BIT 256KB FLASH 112LQFP
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