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 β ActiveMicrochip Technology
ATSAM3U2EA-AU - 96MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3U2EA-AU β ActiveSpecification Comparison
| Parameter | ATSAM3U4EA-AU | ATSAM3U2EA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.80 | $7.22 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 (revision 2.0) |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Frequency | 96 MHz | β |
| Flash Memory | 256 KB (256K x 8) | 128 KB (128K x 8) |
| SRAM | 52 KB | 36 KB |
| Flash Architecture | Dual bank, 128-bit wide access, memory accelerator | β |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | MPU (Memory Protection Unit) |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62V to 3.6V |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | High-speed USB Device with DMA | β |
| DMA | PDC and DMA channels, multi-layer bus matrix | β |
| Connectivity | UART, SPI, I2C, USB [DATA_NEEDED: full peripheral count] | β |
| Life Cycle Stage | ACTIVE | Active |
| RoHS Status | [DATA_NEEDED: RoHS status] | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | β |
| Maximum Clock Speed | β | 96 MHz |
| Flash Access | β | 128-bit wide with memory accelerator, dual bank |
| Internal Regulator | β | 1.80V default output, start-up < 400 us to Normal mode |
| Series | β | SAM3U (AT91 SMART ARM-based) |
| Number of Pins | β | 144 |
| Terminal Form | β | Gull Wing |
| Temperature Grade | β | Industrial |