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