ATSAM3U4EA-CU vs ATSAM3U4EA-AU Comparison
Detailed side-by-side comparison of ATSAM3U4EA-CU 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
ATSAM3U4EA-CU - 96MHz Cortex-M3 MCU 256KB Flash LFBGA-144 | Microchip
ATSAM3U4EA-CU ✓ ActiveMicrochip Technology
ATSAM3U4EA-AU - 96MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3U4EA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U4EA-CU | ATSAM3U4EA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.05 | $7.18 |
| Core Architecture | ARM Cortex-M3 (32-bit RISC) | ARM Cortex-M3 revision 2.0 |
| Maximum CPU Clock | 96 MHz | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Program Memory | 256 KB Flash (dual-bank, 128-bit wide access) | — |
| SRAM | 52 KB | 52 KB |
| Operating Voltage | 1.8 V / 3.3 V | — |
| Package | 144-ball LFBGA (10x10 mm) | 144-pin LQFP (20x20 mm), surface mount |
| USB | High-Speed USB 2.0 Device (480 Mbps, integrated transceiver) | USB 2.0 Full-Speed Device with on-chip PHY |
| Memory Card Interface | High-Speed MCI (SDIO/SD/MMC) | — |
| External Bus Interface | Yes (EBI - SRAM, NOR, NAND) | — |
| Memory Protection Unit | Yes (MPU) | Yes (MPU) |
| GPIOs | Up to 96 | — |
| ADC | 12-bit | [DATA_NEEDED: ADC resolution and channel count] |
| Mounting Type | Surface Mount (BGA) | Surface Mount |
| Operating Temperature | -40°C to +85°C | -40 C to +85 C (industrial) |
| Maximum Clock Speed | — | 96 MHz |
| Flash Memory | — | 256 KB (dual-bank, 128-bit wide access) |
| Supply Voltage | — | 1.62 V to 3.6 V |
| CAN | — | Yes |
| MSL Level | — | 3 (168 hours) |
| RoHS Status | — | Compliant |
| Lead-Free | — | Yes |