ATSAM3S4AA-MU vs ATSAM3S8BA-MU Comparison
Detailed side-by-side comparison of ATSAM3S4AA-MU by Microchip Technology and ATSAM3S8BA-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
ATSAM3S8BA-MU - 64MHz Cortex-M3, 512KB Flash MCU | Microchip
ATSAM3S8BA-MU β ActiveSpecification Comparison
| Parameter | ATSAM3S4AA-MU | ATSAM3S8BA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.85 | $5.72 |
| Core Processor | ARM Cortex-M3 revision 2.0 | β |
| Core Size | 32-bit single-core | β |
| Maximum Clock Frequency | 64 MHz | β |
| Flash Memory | 256 KB (256K x 8) | 512 KB (512K x 8) |
| SRAM | 48 KB | [DATA_NEEDED: SRAM size] |
| Supply Voltage | 1.62 V to 3.6 V | 1.8 V / 2.5 V / 3.3 V |
| Instruction Set | Thumb-2 | β |
| Memory Protection Unit | Yes (MPU) | β |
| Flash Access Width | 128-bit with memory accelerator | β |
| USB | USB 2.0 device | USB 2.0 Full-Speed Device |
| Package | 48-QFN (7x7 mm) with exposed pad | 64-QFN (9x9 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | β |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | 12-bit and 10-bit |
| 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, 32-bit |
| Core Clock Speed | β | 64 MHz |
| Core Supply Voltage Range | β | 1.08 V to 1.32 V |
| I/O Count | β | 47 |
| Series | β | SAM3S8 |
| Interface Peripherals | β | USART, SPI, TWI (I2C) |
| Life Cycle Stage | β | Active |
| Pin Count | β | 64 |
| Core Architecture | β | RISC, Harvard, 3-stage pipeline |
| Pin Compatibility | β | Pin-to-pin compatible with SAM7S series |