ATSAM3SD8BA-AU vs ATSAM3U4CA-AU Comparison
Detailed side-by-side comparison of ATSAM3SD8BA-AU by Microchip Technology and ATSAM3U4CA-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
ATSAM3SD8BA-AU - 512KB Flash Cortex-M3 MCU 64MHz | Microchip
ATSAM3SD8BA-AU ✓ Active
Specification Comparison
| Parameter | ATSAM3SD8BA-AU | ATSAM3U4CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-Bit | — |
| Maximum Clock Speed | 64 MHz | — |
| Flash Memory | 512KB (512K x 8) | — |
| SRAM | 100KB | — |
| Core Supply Voltage (VDDCORE) | 1.08 V to 1.32 V | — |
| I/O Supply Voltage | 1.62 V to 3.6 V | — |
| Number of I/O | 47 | — |
| USB | USB 2.0 High-Speed Device with integrated transceiver | — |
| Memory Protection Unit | Yes (MPU) | Yes |
| Instruction Set | Thumb-2 | Thumb-2, 32-bit RISC |
| Peripherals | DMA, 12-bit DAC, USART, SPI, TWI, PWM, ADC | — |
| Package | 64-LQFP (10 x 10 mm) | 100-pin LQFP, 14 x 14 mm |
| Mounting Type | Surface Mount | Surface mount |
| Operating Temperature | -40C to +85C (Industrial) | — |
| RoHS Status | Compliant (LQFP, Green, MRL) | — |
| Lifecycle Status | Active | Active |
| Compatibility | Pin-to-pin compatible with AT91SAM7S legacy series | — |
| Product Type | — | 32-bit ARM Flash microcontroller |
| Processor Core | — | ARM Cortex-M3 revision 2.0 |
| Maximum CPU Frequency | — | 96 MHz |
| Embedded Flash Memory | — | 256 KB |
| Flash Organization | — | Dual-bank, 128-bit-wide access |
| Embedded SRAM | — | 52 KB |
| Operating Voltage | — | 1.8 V or 3.3 V |
| USB Interface | — | USB 2.0 device, 480 Mbps |
| USB FIFO | — | 4 KB |
| USB Endpoints | — | Up to 7 bidirectional endpoints |
| USART Count | — | Up to 4 |
| UART Count | — | 1 |
| TWI Interfaces | — | Up to 2 |
| SPI Interface | — | 1 |
| SSC Interface | — | 1 |
| HSMCI Controller | — | 1 |
| RTC Backup Current | — | 0.6 µA |
| RoHS Compliance | — | [DATA_NEEDED: RoHS compliance status] |
| REACH Compliance | — | [DATA_NEEDED: REACH compliance status] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |