ATXMEGA128A1-AU vs ATSAM3U4EA-AU Comparison
Detailed side-by-side comparison of ATXMEGA128A1-AU by Microchip Technology and ATSAM3U4EA-AU 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
ATXMEGA128A1-AU - 8/16-bit AVR XMEGA MCU, 128KB Flash, TQFP-100
ATXMEGA128A1-AU NrndMicrochip Technology
ATSAM3U4EA-AU - 96MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3U4EA-AU ✓ ActiveSpecification Comparison
| Parameter | ATXMEGA128A1-AU | ATSAM3U4EA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.85 | $7.18 |
| Core Architecture | AVR XMEGA (enhanced RISC), 8/16-bit | ARM Cortex-M3 revision 2.0 |
| CPU Clock Speed | 32 MHz max | — |
| Program Memory (Flash) | 128 KB (64K x 16), in-system programmable with read-while-write | — |
| Boot Code Section | 8 KB | — |
| SRAM | 8 KB | 52 KB |
| EEPROM | 2 KB | — |
| Operating Voltage Range | 1.6 V to 3.6 V | — |
| General-Purpose I/O Pins | 78 | — |
| DMA Channels | 4 | — |
| Event System Channels | 8 | — |
| Timer/Counters | 8 x 16-bit with compare and PWM | — |
| USART Interfaces | 8 | — |
| SPI Interfaces | 4 | — |
| I2C/TWI Interfaces | 2 | — |
| ADC | 12-bit, multi-channel | [DATA_NEEDED: ADC resolution and channel count] |
| DAC | 12-bit | — |
| USB Interface | Full-speed USB device | — |
| External Bus Interface | Yes | — |
| Package | TQFP-100 (14x14 mm, 0.5 mm pitch) | 144-pin LQFP (20x20 mm), surface mount |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +85 C (industrial) |
| RoHS Status | Compliant (Green, MS-026AED) | Compliant |
| Maximum Clock Speed | — | 96 MHz |
| Instruction Set | — | Thumb-2 |
| Flash Memory | — | 256 KB (dual-bank, 128-bit wide access) |
| Memory Protection Unit | — | Yes (MPU) |
| Supply Voltage | — | 1.62 V to 3.6 V |
| USB | — | USB 2.0 Full-Speed Device with on-chip PHY |
| CAN | — | Yes |
| MSL Level | — | 3 (168 hours) |
| Lead-Free | — | Yes |