ATSAM3S4BA-MU vs ATSAM3S4AA-MU Comparison
Detailed side-by-side comparison of ATSAM3S4BA-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
ATSAM3S4BA-MU - Cortex-M3 64MHz MCU 256KB Flash | Microchip
ATSAM3S4BA-MU β ActiveMicrochip Technology
ATSAM3S4AA-MU - 64MHz Cortex-M3 256KB Flash MCU | Microchip
ATSAM3S4AA-MU β ActiveSpecification Comparison
| Parameter | ATSAM3S4BA-MU | ATSAM3S4AA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.12 | $3.85 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit single-core |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 256 KB (256K x 8) | 256 KB (256K x 8) |
| SRAM | 48 KB | 48 KB |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V | β |
| Core Supply Voltage | 1.08 V to 1.32 V | β |
| Number of I/O | 47 | β |
| Peripherals | DMA (PDC), PWM, WDT, USB 2.0 full-speed device | β |
| Connectivity | USART, SPI, TWI (I2C), USB | β |
| ADC Resolution | 12-bit | [DATA_NEEDED: ADC resolution and channels] |
| Package | 64-QFN (9x9 mm) with exposed pad | 48-QFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection Unit | Yes (MPU) | Yes (MPU) |
| Life Cycle Stage | Active | β |
| Packaging | Tray | Tray |
| Supply Voltage | β | 1.62 V to 3.6 V |
| Flash Access Width | β | 128-bit with memory accelerator |
| USB | β | USB 2.0 device |
| 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) |