ATSAM3S1AA-MU vs ATSAM3S4AA-MU Comparison
Detailed side-by-side comparison of ATSAM3S1AA-MU by Microchip Technology and ATSAM3S4AA-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
ATSAM3S1AA-MU - Cortex-M3 64MHz MCU 64KB Flash | Microchip
ATSAM3S1AA-MU β ActiveMicrochip Technology
ATSAM3S4AA-MU - 64MHz Cortex-M3 256KB Flash MCU | Microchip
ATSAM3S4AA-MU β ActiveSpecification Comparison
| Parameter | ATSAM3S1AA-MU | ATSAM3S4AA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.34 | $3.85 |
| Core | ARM Cortex-M3 (revision 2.0) | β |
| Core Size | 32-bit | 32-bit single-core |
| Maximum Clock Speed | 64 MHz | β |
| Program Memory Size | 64 KB (64K x 8) Flash | β |
| RAM Size | 16 KB (16K x 8) | β |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| Core Voltage | 1.08 V to 1.32 V (internal regulator) | β |
| Package | 48-QFN (7x7 mm) | 48-QFN (7x7 mm) with exposed pad |
| Number of I/O | 47 | β |
| USB | Full Speed USB Device with embedded transceiver | USB 2.0 device |
| Memory Card Interface | High Speed MCI for SDIO/SD/MMC | β |
| External Bus Interface | Yes (EBI) | β |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | β |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | β |
| Series | SAM3S | β |
| Compatibility | Pin-to-pin compatible with AT91SAM7S (48- and 64-pin versions) | β |
| Core Processor | β | ARM Cortex-M3 revision 2.0 |
| Maximum Clock Frequency | β | 64 MHz |
| Flash Memory | β | 256 KB (256K x 8) |
| SRAM | β | 48 KB |
| Supply Voltage | β | 1.62 V to 3.6 V |
| Memory Protection Unit | β | Yes (MPU) |
| Flash Access Width | β | 128-bit with memory accelerator |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| ADC Resolution | β | [DATA_NEEDED: ADC resolution and channels] |
| Communication Interfaces | β | USART, SPI, TWI (I2C), USB |
| Debug Interface | β | SWD (Serial Wire Debug) |
| Legacy Compatibility | β | Pin-to-pin compatible with AT91SAM7S (48/64-pin) |
| Packaging | β | Tray |