ATSAM3S2BA-AUR vs ATSAM3S4BA-AUR Comparison
Detailed side-by-side comparison of ATSAM3S2BA-AUR by Microchip Technology and ATSAM3S4BA-AUR 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
ATSAM3S2BA-AUR - Cortex-M3 MCU 64MHz 128KB Flash | Microchip
ATSAM3S2BA-AUR ✓ ActiveMicrochip Technology
ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2BA-AUR | ATSAM3S4BA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 (32-bit RISC) |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | 32 KB | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| I/O Count | [DATA_NEEDED: I/O count] | — |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Instruction Set | Thumb-2 | — |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | — |
| Interfaces | UART/USART, SPI, TWI (I2C), USB | — |
| Peripherals | PWM, ADC, WDT, DMA | — |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | [DATA_NEEDED: moisture sensitivity level] |
| RoHS Status | Compliant (LQFP, Green) | Compliant (RoHS/Green per distributor listings) |
| Packaging | Tape & Reel (R suffix) | — |
| Program Memory Size | — | 256KB (256K x 8) Flash |
| RAM Size | — | 49KB SRAM |
| Supply Voltage (Typical) | — | 1.8 V / 3.3 V |
| Connectivity | — | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB |
| DMA | — | Yes (peripheral DMA controller) |
| Pin Count | — | 64 |
| Series | — | SAM3S (SAM3S4B) |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3N4B and SAM7S64 |
| ECCN / HTS | — | [DATA_NEEDED: ECCN] |