ATSAM3U1EB-CU vs ATSAM3U4EA-CU Comparison
Detailed side-by-side comparison of ATSAM3U1EB-CU by Microchip Technology and ATSAM3U4EA-CU 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
ATSAM3U1EB-CU - 96MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3U1EB-CU ✓ ActiveMicrochip Technology
ATSAM3U4EA-CU - 96MHz Cortex-M3 MCU 256KB Flash LFBGA-144 | Microchip
ATSAM3U4EA-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U1EB-CU | ATSAM3U4EA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.59 | $12.05 |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-bit | — |
| Maximum Clock Speed | 96 MHz | — |
| Flash Memory | 64 KB (64K x 8) | — |
| RAM Size | 20K x 8 | — |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Memory Protection Unit | Yes (MPU) | Yes (MPU) |
| Instruction Set | Thumb-2 | Thumb-2 |
| Flash Access | 128-bit wide, memory accelerator, dual bank | — |
| Package | 144-LFBGA (13x13 mm) | 144-ball LFBGA (10x10 mm) |
| Number of Terminals | 144 | — |
| Terminal Form | Ball | — |
| Mounting Type | Surface Mount | Surface Mount (BGA) |
| Temperature Grade | Industrial | — |
| Life Cycle Stage | Active | — |
| Core Architecture | — | ARM Cortex-M3 (32-bit RISC) |
| Maximum CPU Clock | — | 96 MHz |
| Program Memory | — | 256 KB Flash (dual-bank, 128-bit wide access) |
| SRAM | — | 52 KB |
| Operating Voltage | — | 1.8 V / 3.3 V |
| USB | — | High-Speed USB 2.0 Device (480 Mbps, integrated transceiver) |
| Memory Card Interface | — | High-Speed MCI (SDIO/SD/MMC) |
| External Bus Interface | — | Yes (EBI - SRAM, NOR, NAND) |
| GPIOs | — | Up to 96 |
| ADC | — | 12-bit |
| Operating Temperature | — | -40°C to +85°C |