ATSAM3S4AA-AUR vs ATSAM3S4BA-AUR Comparison
Detailed side-by-side comparison of ATSAM3S4AA-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
ATSAM3S4AA-AUR - 64MHz Cortex-M3 MCU, 256KB Flash | Microchip
ATSAM3S4AA-AUR β ActiveMicrochip Technology
ATSAM3S4BA-AUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-AUR β ActiveSpecification Comparison
| Parameter | ATSAM3S4AA-AUR | ATSAM3S4BA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.42 | $3.44 |
| 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 | 256 KB (256K x 8) | β |
| SRAM | 48 KB | β |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Temperature | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| Package | 48-LQFP (7x7 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Connectivity | I2C, SPI, USB, MMC/SDIO, UART, USART | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, DMA, WDT | β |
| Data Converters | A/D 12-bit, D/A 10-bit | β |
| USB | Full Speed USB Device with embedded transceiver | β |
| Number of I/O | [DATA_NEEDED: number of programmable I/O lines] | β |
| Program Memory Type | FLASH | β |
| Packaging | Tape & Reel (suffix R) | β |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant (RoHS/Green per distributor listings) |
| Program Memory Size | β | 256KB (256K x 8) Flash |
| RAM Size | β | 49KB SRAM |
| Supply Voltage (Typical) | β | 1.8 V / 3.3 V |
| DMA | β | Yes (peripheral DMA controller) |
| Pin Count | β | 64 |
| Series | β | SAM3S (SAM3S4B) |
| Pin Compatibility | β | Pin-to-pin compatible with SAM3N4B and SAM7S64 |
| MSL Level | β | [DATA_NEEDED: moisture sensitivity level] |
| ECCN / HTS | β | [DATA_NEEDED: ECCN] |