ATSAM3X-EK vs ATSAM3U-EK Comparison
Detailed side-by-side comparison of ATSAM3X-EK by Microchip Technology and ATSAM3U-EK by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | ATSAM3X-EK | ATSAM3U-EK |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Obsolete | Active |
| Product Type | MCU 32-Bit Embedded Evaluation Board | Evaluation Kit / Development Board |
| Target Family | ATSAM3A, ATSAM3X Series | — |
| Core Processor | ARM Cortex-M3 | — |
| Core Architecture | 32-Bit | — |
| Contents | Board | — |
| Series | SAM3X | — |
| Packaging | Box | — |
| USB | High-speed USB with integrated transceiver | High-Speed USB with integrated transceiver |
| Family Category | General Embedded Dev Boards and Kits (MCU, DSP, FPGA, CPLD) | — |
| Evaluation Kit For | SAM3X & SAM3A | — |
| Software Support | Atmel/Microchip Studio, ASF3 | — |
| Lifecycle Status | Obsolete (per Octopart) | — |
| Operating Supply Voltage | [DATA_NEEDED: operating supply voltage] | — |
| Board Dimensions | [DATA_NEEDED: board dimensions] | [DATA_NEEDED: board dimensions] |
| On-board Debugger | [DATA_NEEDED: on-board debugger type] | — |
| Supported Toolchains | [DATA_NEEDED: supported toolchains] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Target MCU | — | SAM3U4E (AT91SAM3 family) |
| Core | — | 32-bit ARM Cortex-M3 |
| Core Speed | — | 96 MHz |
| SRAM | — | 48 KB |
| ROM | — | 16 KB |
| NAND Flash Support | — | 256 KB |
| Crystals On Board | — | 32.768 kHz and 12 MHz |
| Debug Interface | — | JTAG/SWD |
| Supported IDE | — | Atmel Studio 7 / Microchip Studio |
| Supply Voltage | — | [DATA_NEEDED: supply voltage] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature] |
| Unit Price | — | USD 119.40 (as of 2026-09-20) |