ATSAM3U1EA-AU vs ATSAM3U4EA-AU Comparison
Detailed side-by-side comparison of ATSAM3U1EA-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
ATSAM3U1EA-AU - 96MHz Cortex-M3 MCU | Microchip | Industrial Control
ATSAM3U1EA-AU ✓ ActiveMicrochip Technology
ATSAM3U4EA-AU - 96MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3U4EA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U1EA-AU | ATSAM3U4EA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $7.18 |
| Product Type | 32-bit ARM Cortex-M3 Flash microcontroller | — |
| Maximum CPU Frequency | 96 MHz | — |
| CPU Core | ARM Cortex-M3 revision 2.0 | — |
| Architecture | 32-bit single-core RISC | — |
| Embedded Flash Memory | 64 KB (64K x 8) | — |
| SRAM | 20 KB | 52 KB |
| Operating Supply Voltage | 1.62 V to 3.6 V | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection Unit | Supported | Yes (MPU) |
| Flash Access | 128-bit wide access; memory accelerator and dual bank are listed for the SAM3U family | — |
| External Bus | Supported by the SAM3U family | — |
| USB | High Speed USB Device Port with embedded transceiver is listed for the SAM3U family | USB 2.0 Full-Speed Device with on-chip PHY |
| MCI Interface | High Speed MCI for SDIO/SD/MMC is listed for the SAM3U family | — |
| Package | 144-LQFP, 20 x 20 mm | 144-pin LQFP (20x20 mm), surface mount |
| Mounting Type | Surface mount | Surface Mount |
| RoHS Status | unknown | Compliant |
| REACH Status | unknown | — |
| Lifecycle Stage | Active | — |
| Core Architecture | — | ARM Cortex-M3 revision 2.0 |
| Maximum Clock Speed | — | 96 MHz |
| Flash Memory | — | 256 KB (dual-bank, 128-bit wide access) |
| Supply Voltage | — | 1.62 V to 3.6 V |
| Operating Temperature | — | -40 C to +85 C (industrial) |
| ADC | — | [DATA_NEEDED: ADC resolution and channel count] |
| CAN | — | Yes |
| MSL Level | — | 3 (168 hours) |
| Lead-Free | — | Yes |