ATSAM3S4AA-AUR vs ATSAM3S2AA-AUR Comparison
Detailed side-by-side comparison of ATSAM3S4AA-AUR by Microchip Technology and ATSAM3S2AA-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
ATSAM3S2AA-AUR - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2AA-AUR β ActiveSpecification Comparison
| Parameter | ATSAM3S4AA-AUR | ATSAM3S2AA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.42 | $2.66 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 |
| Core Size | 32-Bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 256 KB (256K x 8) | 128 KB (131 KB per some distributor listings) |
| SRAM | 48 KB | 32 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C (Industrial) |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Connectivity | I2C, SPI, USB, MMC/SDIO, UART, USART | UART, SPI, I2C (TWI), I2S, USB 2.0 Full-Speed |
| 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] | [DATA_NEEDED: GPIO count] |
| Program Memory Type | FLASH | β |
| Packaging | Tape & Reel (suffix R) | Tape & Reel (TR) |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | Compliant (Green package per distributor listing) |
| Technology | β | CMOS |
| Instruction Set | β | RISC / Thumb-2 |
| Pin-to-Pin Compatibility | β | Compatible with SAM3N2A |
| Peripheral Features | β | DMA, parallel data capture mode on PIOs |
| EEPROM / Data Flash | β | [DATA_NEEDED: EEPROM size] |
| ADC Resolution | β | [DATA_NEEDED: ADC resolution and channels] |