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