ATSAM3S2BA-MU vs ATSAM3S4BA-MUR Comparison
Detailed side-by-side comparison of ATSAM3S2BA-MU by Microchip Technology and ATSAM3S4BA-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
ATSAM3S2BA-MU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip (Tape & Reel)
ATSAM3S2BA-MU ✓ ActiveMicrochip Technology
ATSAM3S4BA-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-MUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2BA-MU | ATSAM3S4BA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | [DATA_NEEDED: SRAM size] | — |
| Supply Voltage Range | 1.62 V to 3.6 V (1.8V/3.3V operation) | 1.62 V to 3.6 V |
| Package | 64-QFN (9x9 mm) with Exposed Pad | — |
| Number of Pins | 64 | — |
| USB | USB 2.0 Full-Speed Device | — |
| ADC Resolution | 12-bit | [DATA_NEEDED: ADC resolution and channels] |
| DAC Resolution | 12-bit | — |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range in C] |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3S | SAM3S |
| Peripherals | DMA, PWM, WDT, Capacitive Touch | — |
| Communication Interfaces | USART, SPI, TWI (I2C), USB | — |
| RoHS Status | Compliant (Green package per Mouser listing) | Compliant |
| Flash Memory Size | — | 256 KB (256K x 8) |
| SRAM Size | — | 48 KB |
| Package Type | — | 64-QFN (9x9 mm) with Exposed Pad |
| Packaging | — | Tape & Reel (-R suffix) |
| DMA Controller | — | Yes |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3N4B and SAM7S64 (per Microchip) |
| Temperature Grade | — | Industrial |
| Halogen Status | — | Green package |
| Number of I/O | — | [DATA_NEEDED: number of GPIO] |
| Connectivity Peripherals | — | [DATA_NEEDED: UART/SPI/I2C/USB counts] |