ATSAM3A4CA-CU vs ATSAM3U2CA-CU Comparison
Detailed side-by-side comparison of ATSAM3A4CA-CU by Microchip Technology and ATSAM3U2CA-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
ATSAM3A4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-CU ✓ Active
Specification Comparison
| Parameter | ATSAM3A4CA-CU | ATSAM3U2CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-bit, single-core | — |
| Maximum Clock Speed | 84 MHz | — |
| Flash Memory | 256KB (256K x 8), 2 x 128KB banks | 128 KB |
| SRAM | 64KB, 2 x 32KB banks | 36 KB |
| Supply Voltage Range | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V typical) | — |
| Connectivity | CAN, I2C (TWI), IrDA, LIN, MMC/SD, SPI, SSC, UART/USART | — |
| Instruction Set | Thumb-2 | — |
| Memory Protection | MPU (Memory Protection Unit) | — |
| SysTick Timer | 24-bit | — |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | — |
| Package | 100-TFBGA (9 x 9 mm) | 100-pin TFBGA, 9 mm x 9 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| RoHS Status | Compliant (green package) | [DATA_NEEDED: RoHS status] |
| Series | SAM3A | SAM3U |
| Product Type | — | 32-bit ARM Cortex-M3 RISC flash microcontroller |
| Manufacturer | — | Microchip Technology |
| CPU Core | — | ARM Cortex-M3 |
| Architecture | — | 32-bit RISC |
| Maximum CPU Frequency | — | 96 MHz |
| Flash Organization | — | 128K x 8 |
| Operating Voltage Range | — | 1.62 V to 3.6 V |
| Supported Supply Configurations | — | 1.8 V / 2.5 V / 3.3 V |
| Ball Pitch | — | 0.8 mm |
| Package Construction | — | Green |
| Programming Configuration | — | Factory programmable |
| Packaging | — | Tray |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |