ATXMEGA128D4-MH vs ATXMEGA64A4U-MH Comparison
Detailed side-by-side comparison of ATXMEGA128D4-MH by Microchip Technology and ATXMEGA64A4U-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
ATXMEGA128D4-MH - 32MHz AVR XMEGA D4 MCU 128KB Flash | Microchip
ATXMEGA128D4-MH ✓ ActiveMicrochip Technology
ATXMEGA64A4U-MH - 64KB Flash XMEGA A4U 32MHz MCU | Microchip
ATXMEGA64A4U-MH ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA128D4-MH | ATXMEGA64A4U-MH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.72 | $2.65 |
| Core Architecture | AVR (enhanced RISC), 8/16-bit | — |
| Series | AVR XMEGA D4 | — |
| Maximum Clock Speed | 32 MHz | — |
| Flash Memory | 128 KB (64K x 16) with read-while-write | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 8 KB | 4 KB |
| Supply Voltage (VCC) | 1.6 V to 3.6 V | 1.6 V to 3.6 V |
| I/O Pins | 34 programmable | — |
| Package | 44-pin VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USART | 2 (one with IrDA support) | 5 |
| 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 | — |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| RoHS Status | Compliant | Compliant (Green) |
| Lead-Free | Yes | — |
| Lifecycle Stage | ACTIVE (per distributor listing) | — |
| Core | — | AVR XMEGA (8/16-bit) |
| Family | — | AVR XMEGA A4U |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| Boot Code Section | — | 4 KB |
| Maximum CPU Speed | — | 32 MHz |
| I/O Pins (GPIO) | — | 34 |
| DMA Channels | — | 4 |
| Event System Channels | — | 8 |
| Timer/Counters | — | 5 x 16-bit with PWM |
| RTC | — | Yes (16-bit) |
| External Bus Interface | — | Yes |
| USB | — | Full-Speed USB 2.0 Device |