ATSAM3S4BA-MUR vs ATSAM3S4AA-MUR Comparison
Detailed side-by-side comparison of ATSAM3S4BA-MUR 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
ATSAM3S4BA-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-MUR ✓ ActiveMicrochip Technology
ATSAM3S4AA-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4AA-MUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4BA-MUR | ATSAM3S4AA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $4.85 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory Size | 256 KB (256K x 8) | — |
| SRAM Size | 48 KB | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Package Type | 64-QFN (9x9 mm) with Exposed Pad | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (-R suffix) | Tape & Reel (MUR suffix) |
| Series | SAM3S | SAM3S |
| DMA Controller | Yes | — |
| Pin Compatibility | Pin-to-pin compatible with SAM3N4B and SAM7S64 (per Microchip) | — |
| Temperature Grade | Industrial | — |
| RoHS Status | Compliant | RoHS Compliant (Green package per Mouser listing) |
| Halogen Status | Green package | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range in C] | [DATA_NEEDED: operating temperature range] |
| Number of I/O | [DATA_NEEDED: number of GPIO] | — |
| Connectivity Peripherals | [DATA_NEEDED: UART/SPI/I2C/USB counts] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | — |
| Flash Memory | — | 256 KB (256K x 8) |
| Operating Supply Classes | — | 1.8 V / 3.3 V |
| Package | — | 48-QFN (7x7 mm) Exposed Pad |
| Pin Count | — | 48 |
| Instruction Set | — | Thumb-2 (RISC) |
| 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) |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |
| SRAM | — | [DATA_NEEDED: SRAM size] |