ATSAM3S4BA-AUR vs ATSAM3S2BA-AUR Comparison
Detailed side-by-side comparison of ATSAM3S4BA-AUR by Microchip Technology and ATSAM3S2BA-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
ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-AUR β ActiveMicrochip Technology
ATSAM3S2BA-AUR - Cortex-M3 MCU 64MHz 128KB Flash | Microchip
ATSAM3S2BA-AUR β ActiveSpecification Comparison
| Parameter | ATSAM3S4BA-AUR | ATSAM3S2BA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.44 | $4.10 |
| Core Processor | ARM Cortex-M3 (32-bit RISC) | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Program Memory Size | 256KB (256K x 8) Flash | β |
| RAM Size | 49KB SRAM | β |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Supply Voltage (Typical) | 1.8 V / 3.3 V | β |
| Connectivity | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB | β |
| DMA | Yes (peripheral DMA controller) | β |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Pin Count | 64 | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Series | SAM3S (SAM3S4B) | β |
| Pin Compatibility | Pin-to-pin compatible with SAM3N4B and SAM7S64 | β |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | [DATA_NEEDED: moisture sensitivity level] |
| RoHS Status | Compliant (RoHS/Green per distributor listings) | Compliant (LQFP, Green) |
| ECCN / HTS | [DATA_NEEDED: ECCN] | β |
| Flash Memory | β | 128 KB (128K x 8) |
| SRAM | β | 32 KB |
| I/O Count | β | [DATA_NEEDED: I/O count] |
| Instruction Set | β | Thumb-2 |
| Interrupt Controller | β | NVIC (Nested Vectored Interrupt Controller) |
| Interfaces | β | UART/USART, SPI, TWI (I2C), USB |
| Peripherals | β | PWM, ADC, WDT, DMA |
| Packaging | β | Tape & Reel (R suffix) |