ATSAM3S2AA-MU vs ATSAM3S4AA-MUR Comparison
Detailed side-by-side comparison of ATSAM3S2AA-MU by Microchip Technology and ATSAM3S4AA-MUR 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-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4AA-MUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2AA-MU | ATSAM3S4AA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.60 | $4.85 |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Max Clock Speed | 64 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 256 KB (256K x 8) |
| SRAM | 32 KB | [DATA_NEEDED: SRAM size] |
| Supply Voltage Range | 1.62 V to 3.6 V | 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) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Instruction Set | Thumb-2 | Thumb-2 (RISC) |
| Memory Protection | MPU included | — |
| USB | USB 2.0 Full-Speed 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 |
| Series | — | SAM3S |
| Operating Supply Classes | — | 1.8 V / 3.3 V |
| Pin Count | — | 48 |
| Interface | — | USB, UART, SPI, TWI (I2C) |
| DMA | — | Yes |
| Data Capture | — | PIO parallel capture mode (image-sensor compatible) |
| On-chip Regulator | — | 1.8 V LDO (VDDOUT) |
| Packaging | — | Tape & Reel (MUR suffix) |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |
| RoHS Status | — | RoHS Compliant (Green package per Mouser listing) |