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