ATSAM3S2AA-MU vs ATSAM3S4AA-MU Comparison
Detailed side-by-side comparison of ATSAM3S2AA-MU by Microchip Technology and ATSAM3S4AA-MU 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-MU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2AA-MU ✓ ActiveMicrochip Technology
ATSAM3S4AA-MU - 64MHz Cortex-M3 256KB Flash MCU | Microchip
ATSAM3S4AA-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2AA-MU | ATSAM3S4AA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit single-core |
| Max Clock Speed | 64 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 256 KB (256K x 8) |
| SRAM | 32 KB | 48 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Supply Voltage Nominal | 1.8 V / 3.3 V | — |
| I/O Count | 47 I/O ports | — |
| Package | 48-QFN (7x7 mm) exposed pad | 48-QFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU included | — |
| USB | USB 2.0 Full-Speed device | USB 2.0 device |
| Pin Compatibility | Pin-to-pin compatible with AT91SAM7S and SAM3N (48-pin) | — |
| Life Cycle Stage | Active | — |
| Peripherals | DMA, 12-bit ADC, PWM, USART, parallel capture PIO | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | — |
| Maximum Clock Frequency | — | 64 MHz |
| Supply Voltage | — | 1.62 V to 3.6 V |
| Memory Protection Unit | — | Yes (MPU) |
| Flash Access Width | — | 128-bit with memory accelerator |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution and channels] |
| Communication Interfaces | — | USART, SPI, TWI (I2C), USB |
| Debug Interface | — | SWD (Serial Wire Debug) |
| Legacy Compatibility | — | Pin-to-pin compatible with AT91SAM7S (48/64-pin) |
| Packaging | — | Tray |