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