ATSAM3S4AA-MUR vs ATSAM3S2AA-MU Comparison
Detailed side-by-side comparison of ATSAM3S4AA-MUR by Microchip Technology and ATSAM3S2AA-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
ATSAM3S4AA-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4AA-MUR ✓ ActiveMicrochip Technology
ATSAM3S2AA-MU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2AA-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4AA-MUR | ATSAM3S2AA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.85 | $3.60 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 (revision 2.0) |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Frequency | 64 MHz | — |
| Flash Memory | 256 KB (256K x 8) | 128 KB (128K x 8) |
| Series | SAM3S | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Supply Classes | 1.8 V / 3.3 V | — |
| Package | 48-QFN (7x7 mm) Exposed Pad | 48-QFN (7x7 mm) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Pin Count | 48 | — |
| Instruction Set | Thumb-2 (RISC) | Thumb-2 |
| 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] | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | RoHS Compliant (Green package per Mouser listing) | — |
| SRAM | [DATA_NEEDED: SRAM size] | 32 KB |
| Max Clock Speed | — | 64 MHz |
| Supply Voltage Nominal | — | 1.8 V / 3.3 V |
| I/O Count | — | 47 I/O ports |
| 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 |
| MSL Level | — | [DATA_NEEDED: moisture sensitivity level] |