ATSAM3S8CA-AU vs ATSAM3A8CA-AU Comparison
Detailed side-by-side comparison of ATSAM3S8CA-AU by Microchip Technology and ATSAM3A8CA-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
ATSAM3S8CA-AU - 64MHz Cortex-M3 512KB Flash MCU | Microchip
ATSAM3S8CA-AU ✓ ActiveMicrochip Technology
ATSAM3A8CA-AU - 84MHz Cortex-M3 MCU, 512KB Flash | Microchip
ATSAM3A8CA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S8CA-AU | ATSAM3A8CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Manufacturer | Microchip Technology | — |
| Product Type | 32-bit ARM Cortex-M3 flash microcontroller | — |
| Processor Core | ARM Cortex-M3, revision 2.0 | — |
| Architecture | 32-bit RISC | — |
| Maximum CPU Frequency | 64 MHz | — |
| Flash Memory | 512 KB | 512KB (2 x 256KB banks) |
| Flash Organization | 512K x 8 | — |
| SRAM | 64 KB | 96KB (64KB + 32KB banks) |
| Memory Protection Unit | Yes | — |
| Instruction Set | ARM Thumb-2 | Thumb-2 |
| Operating Voltage Options | 1.8 V, 2.5 V, 3.3 V | — |
| Package | 100-pin LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3S | SAM3A |
| Interface Focus | High-speed USB and integrated transceiver | — |
| RoHS Compliance | [DATA_NEEDED: RoHS compliance declaration] | — |
| REACH Compliance | [DATA_NEEDED: REACH compliance declaration] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: automotive qualification status] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Core Processor | — | ARM Cortex-M3 revision 2.0 |
| Core Size | — | 32-Bit |
| Maximum Clock Speed | — | 84 MHz |
| Supply Voltage | — | 1.8 V / 2.5 V / 3.3 V (1.62 V to 3.6 V range) |
| Connectivity | — | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB |
| USB | — | High-speed USB 2.0 device with integrated transceiver |
| Memory Protection | — | MPU (Memory Protection Unit) |
| SysTick Timer | — | 24-bit |
| Interrupt Controller | — | NVIC (Nested Vector Interrupt Controller) |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| RoHS Status | — | Compliant (Green package per Mouser listing) |