ATSAM3U1CA-AU vs ATSAM3U4EA-AU Comparison
Detailed side-by-side comparison of ATSAM3U1CA-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
ATSAM3U1CA-AU - 96MHz Cortex-M3, 64KB Flash MCU | Microchip
ATSAM3U1CA-AU β ActiveMicrochip Technology
ATSAM3U4EA-AU - 96MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3U4EA-AU β ActiveSpecification Comparison
| Parameter | ATSAM3U1CA-AU | ATSAM3U4EA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.70 | $4.80 |
| 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 | 96 MHz |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | MPU (Memory Protection Unit) |
| Program Memory Size | 64 KB (64K x 8) Flash | β |
| Flash Organization | 128-bit wide | β |
| SRAM Size | 20 KB | β |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| USB | High-speed USB device with integrated transceiver | High-speed USB Device with DMA |
| DMA | PDC and DMA, multi-layer bus matrix, multiple SRAM banks | PDC and DMA channels, multi-layer bus matrix |
| Package | 100-LQFP (14x14 mm) | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3U | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Number of I/O | [DATA_NEEDED: GPIO count] | β |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | β |
| Flash Memory | β | 256 KB (256K x 8) |
| SRAM | β | 52 KB |
| Flash Architecture | β | Dual bank, 128-bit wide access, memory accelerator |
| Connectivity | β | UART, SPI, I2C, USB [DATA_NEEDED: full peripheral count] |
| Life Cycle Stage | β | ACTIVE |
| RoHS Status | β | [DATA_NEEDED: RoHS status] |