ATSAM3U4EA-AU vs ATSAM3U1EA-AU Comparison
Detailed side-by-side comparison of ATSAM3U4EA-AU by Microchip Technology and ATSAM3U1EA-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
ATSAM3U1EA-AU - 96MHz Cortex-M3 MCU | Microchip | Industrial Control
ATSAM3U1EA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U4EA-AU | ATSAM3U1EA-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 | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Flash Memory | 256 KB (dual-bank, 128-bit wide access) | — |
| SRAM | 52 KB | 20 KB |
| Memory Protection Unit | Yes (MPU) | Supported |
| 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, 20 x 20 mm |
| Mounting Type | Surface Mount | Surface mount |
| USB | USB 2.0 Full-Speed Device with on-chip PHY | High Speed USB Device Port with embedded transceiver is listed for the SAM3U family |
| ADC | [DATA_NEEDED: ADC resolution and channel count] | — |
| CAN | Yes | — |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | unknown |
| Lead-Free | Yes | — |
| 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) |
| Operating Supply Voltage | — | 1.62 V to 3.6 V |
| Flash Access | — | 128-bit wide access; memory accelerator and dual bank are listed for the SAM3U family |
| External Bus | — | Supported by the SAM3U family |
| MCI Interface | — | High Speed MCI for SDIO/SD/MMC is listed for the SAM3U family |
| REACH Status | — | unknown |
| Lifecycle Stage | — | Active |