ATSAM3U-EK vs ATSAM3S-EK Comparison
Detailed side-by-side comparison of ATSAM3U-EK by Microchip Technology and ATSAM3S-EK 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
ATSAM3S-EK - SAM3S4C ARM Cortex-M3 Evaluation Kit | Microchip
ATSAM3S-EK ObsoleteSpecification Comparison
| Parameter | ATSAM3U-EK | ATSAM3S-EK |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Active | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $119.40 | $0.00 |
| Product Type | Evaluation Kit / Development Board | — |
| Target MCU | SAM3U4E (AT91SAM3 family) | — |
| Core | 32-bit ARM Cortex-M3 | ARM Cortex-M3 |
| Core Speed | 96 MHz | — |
| SRAM | 48 KB | 48 KB |
| ROM | 16 KB | — |
| NAND Flash Support | 256 KB | Yes |
| Crystals On Board | 32.768 kHz and 12 MHz | — |
| USB | High-Speed USB with integrated transceiver | — |
| Debug Interface | JTAG/SWD | — |
| Supported IDE | Atmel Studio 7 / Microchip Studio | — |
| Board Dimensions | [DATA_NEEDED: board dimensions] | — |
| Supply Voltage | [DATA_NEEDED: supply voltage] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant | Compliant (per distributor listing) |
| Unit Price | USD 119.40 (as of 2026-09-20) | — |
| Tool Type | — | Evaluation Kit |
| Processor To Be Evaluated | — | SAM3S4C |
| Core Architecture | — | 32-bit |
| Maximum CPU Speed | — | 64 MHz |
| Embedded Flash | — | 256 KB |
| Clock Sources On Board | — | 32.768 kHz / 12 MHz |
| Product Category | — | Development Boards Kits - ARM |
| Brand (Original Manufacturer) | — | Atmel (now Microchip Technology) |
| Interface | — | [DATA_NEEDED: Interface type details] |
| Supply Voltage Range (SAM3S family) | — | 1.62 V to 3.6 V |
| Mounting Type | — | [DATA_NEEDED: board mounting form factor] |
| Lifecycle Status | — | Obsolete (per distributor data) |