ATSAM3U4EA-AU vs ATSAM3U2EA-AU Comparison
Detailed side-by-side comparison of ATSAM3U4EA-AU by Microchip Technology and ATSAM3U2EA-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
ATSAM3U4EA-AU - 96MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3U4EA-AU ✓ ActiveMicrochip Technology
ATSAM3U2EA-AU - 96MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3U2EA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U4EA-AU | ATSAM3U2EA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M3 revision 2.0 | — |
| Maximum Clock Speed | 96 MHz | 96 MHz |
| Instruction Set | Thumb-2 | Thumb-2 |
| Flash Memory | 256 KB (dual-bank, 128-bit wide access) | 128 KB (128K x 8) |
| SRAM | 52 KB | 36 KB |
| Memory Protection Unit | Yes (MPU) | — |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| Package | 144-pin LQFP (20x20 mm), surface mount | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed Device with on-chip PHY | — |
| ADC | [DATA_NEEDED: ADC resolution and channel count] | — |
| CAN | Yes | — |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | — |
| Lead-Free | Yes | — |
| Core Processor | — | ARM Cortex-M3 (revision 2.0) |
| Core Size | — | 32-bit |
| Memory Protection | — | MPU (Memory Protection Unit) |
| Flash Access | — | 128-bit wide with memory accelerator, dual bank |
| Supply Voltage Range | — | 1.62V to 3.6V |
| Internal Regulator | — | 1.80V default output, start-up < 400 us to Normal mode |
| Series | — | SAM3U (AT91 SMART ARM-based) |
| Number of Pins | — | 144 |
| Terminal Form | — | Gull Wing |
| Temperature Grade | — | Industrial |
| Life Cycle Stage | — | Active |