ATSAM3S-EK vs ATSAM3U-EK Comparison
Detailed side-by-side comparison of ATSAM3S-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.
Microchip Technology
ATSAM3S-EK - SAM3S4C ARM Cortex-M3 Evaluation Kit | Microchip
ATSAM3S-EK ObsoleteSpecification Comparison
| Parameter | ATSAM3S-EK | ATSAM3U-EK |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Development Boards | Development Boards |
| Lifecycle Status | Obsolete | Active |
| Tool Type | Evaluation Kit | — |
| Processor To Be Evaluated | SAM3S4C | — |
| Core | ARM Cortex-M3 | 32-bit ARM Cortex-M3 |
| Core Architecture | 32-bit | — |
| Maximum CPU Speed | 64 MHz | — |
| Embedded Flash | 256 KB | — |
| SRAM | 48 KB | 48 KB |
| NAND Flash Support | Yes | 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] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature] |
| RoHS Status | Compliant (per distributor listing) | Compliant |
| Lifecycle Status | Obsolete (per distributor data) | — |
| Product Type | — | Evaluation Kit / Development Board |
| Target MCU | — | SAM3U4E (AT91SAM3 family) |
| Core Speed | — | 96 MHz |
| ROM | — | 16 KB |
| 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] |
| Unit Price | — | USD 119.40 (as of 2026-09-20) |