ATSAM3S2AA-AU vs ATSAM3S4CA-AU Comparison
Detailed side-by-side comparison of ATSAM3S2AA-AU by Microchip Technology and ATSAM3S4CA-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
ATSAM3S2AA-AU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip (Tape & Reel)
ATSAM3S2AA-AU ✓ Active
Specification Comparison
| Parameter | ATSAM3S2AA-AU | ATSAM3S4CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 | — |
| Core Size | 32-Bit | — |
| Maximum Clock Frequency | 64 MHz | — |
| Flash Memory | 128 KB (131 KB per some distributor listings) | 256 KB |
| SRAM | 32 KB | 48 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | [DATA_NEEDED: supply voltage range] |
| Technology | CMOS | — |
| Connectivity | UART, SPI, I2C (TWI), I2S, USB 2.0 Full-Speed | — |
| Package | 48-LQFP (7x7 mm) | 100-lead LQFP, 14 mm x 14 mm |
| Mounting Type | Surface Mount | Surface mount |
| Operating Temperature | -40C to +85C (Industrial) | — |
| Instruction Set | RISC / Thumb-2 | — |
| Pin-to-Pin Compatibility | Compatible with SAM3N2A | — |
| Packaging | Tape & Reel (TR) | — |
| RoHS Status | Compliant (Green package per distributor listing) | [DATA_NEEDED: RoHS status] |
| Peripheral Features | DMA, parallel data capture mode on PIOs | — |
| EEPROM / Data Flash | [DATA_NEEDED: EEPROM size] | — |
| Number of I/O | [DATA_NEEDED: GPIO count] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | [DATA_NEEDED: ADC resolution] |
| Product Type | — | 32-bit ARM Cortex-M3 flash microcontroller |
| Processor Core | — | ARM Cortex-M3 |
| Maximum CPU Frequency | — | 64 MHz |
| Flash Organization | — | 256K x 8 bits |
| Bit Width | — | 32 bits |
| Series | — | SAM3S |
| Temperature Grade | — | Industrial temperature |
| GPIO Count | — | [DATA_NEEDED: GPIO count] |
| UART Count | — | [DATA_NEEDED: UART count] |
| SPI Count | — | [DATA_NEEDED: SPI count] |
| I2C Count | — | [DATA_NEEDED: I2C count] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |