ATSAM3S1BA-AUR vs ATSAM3S4BA-AU Comparison
Detailed side-by-side comparison of ATSAM3S1BA-AUR by Microchip Technology and ATSAM3S4BA-AU 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
ATSAM3S1BA-AUR - 64MHz ARM Cortex-M3 MCU | Microchip (Tape & Reel)
ATSAM3S1BA-AUR ✓ ActiveMicrochip Technology
ATSAM3S4BA-AU - 64MHz Cortex-M3 MCU 256KB Flash | Microchip (Tape & Reel)
ATSAM3S4BA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S1BA-AUR | ATSAM3S4BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 32-bit ARM Cortex-M3 RISC Flash microcontroller | — |
| Manufacturer | Microchip Technology | — |
| Maximum Clock Speed | 64 MHz | — |
| Processor Core | ARM Cortex-M3 | — |
| Architecture | 32-bit RISC | — |
| Flash Memory | 64 KB (64K × 8) | — |
| SRAM | 16 KB | — |
| Number of I/O Ports | 47 | — |
| Package | 64-LQFP, 10 mm × 10 mm | 64-LQFP (10x10 mm) |
| Pin Count | 64 pins | 64 |
| Mounting Type | Surface mount | Surface Mount |
| Package Code | LFQFP | — |
| Lead Form | Gull wing | — |
| Temperature Grade | Industrial | — |
| Lifecycle Status | Active | — |
| Supply Voltage | [DATA_NEEDED: operating supply-voltage range] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Peripheral Configuration | [DATA_NEEDED: complete UART, SPI, I2C, timer, ADC, and interrupt configuration] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (RoHS/Green per distributor listings) |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Core Processor | — | ARM Cortex-M3 (32-bit RISC) |
| Core Size | — | 32-bit |
| Maximum Clock Frequency | — | 64 MHz |
| Program Memory Size | — | 256KB (256K x 8) Flash |
| RAM Size | — | 49KB SRAM |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| Supply Voltage (Typical) | — | 1.8 V / 3.3 V |
| Connectivity | — | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB |
| DMA | — | Yes (peripheral DMA controller) |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Series | — | SAM3S (SAM3S4B) |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3N4B and SAM7S64 |
| MSL Level | — | [DATA_NEEDED: moisture sensitivity level] |
| ECCN / HTS | — | [DATA_NEEDED: ECCN] |