ATXMEGA64D3-MHR vs ATXMEGA128D4-MH Comparison
Detailed side-by-side comparison of ATXMEGA64D3-MHR by Microchip Technology and ATXMEGA128D4-MH by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATXMEGA64D3-MHR - 32MHz 64KB Flash AVR XMEGA D3 MCU | Microchip
ATXMEGA64D3-MHR ✓ ActiveMicrochip Technology
ATXMEGA128D4-MH - 32MHz AVR XMEGA D4 MCU 128KB Flash | Microchip
ATXMEGA128D4-MH ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA64D3-MHR | ATXMEGA128D4-MH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.75 | $3.72 |
| Core Architecture | AVR XMEGA enhanced RISC, 8/16-bit | AVR (enhanced RISC), 8/16-bit |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| Boot Code Section | 4 KB | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 8 KB |
| Maximum CPU Clock | 32 MHz | — |
| Supply Voltage (Vcc/Vdd) | 1.6 V to 3.6 V | — |
| I/O Pins | 34 to 50 (package-dependent) | 34 programmable |
| Package | 64-VFQFN / 64-QFN (9x9 mm) with exposed pad | 44-pin VQFN (7x7 mm) with exposed pad |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | MSL3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | Yes |
| On-Chip Peripherals | AES/DES crypto, USB, 12-bit ADC, 12-bit DAC, DMA, event system | — |
| Programming Interface | PDI (Program and Debug Interface) | — |
| Series | — | AVR XMEGA D4 |
| Maximum Clock Speed | — | 32 MHz |
| Flash Memory | — | 128 KB (64K x 16) with read-while-write |
| Supply Voltage (VCC) | — | 1.6 V to 3.6 V |
| USART | — | 2 (one with IrDA support) |
| TWI (I2C/SMBus) | — | 2 with dual address match |
| SPI | — | 2 |
| ADC | — | 12-bit, multi-channel |
| DAC | — | 2x 12-bit |
| Timers/Counters | — | 4 x 16-bit |
| Lifecycle Stage | — | ACTIVE (per distributor listing) |