ATSAM3S2BA-AU vs ATSAM3SD8BA-AU Comparison
Detailed side-by-side comparison of ATSAM3S2BA-AU by Microchip Technology and ATSAM3SD8BA-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
ATSAM3S2BA-AU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2BA-AU ✓ ActiveMicrochip Technology
ATSAM3SD8BA-AU - 512KB Flash Cortex-M3 MCU 64MHz | Microchip
ATSAM3SD8BA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2BA-AU | ATSAM3SD8BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 512KB (512K x 8) |
| SRAM | 32 KB | 100KB |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Supply Voltage | 1.8 V / 3.3 V | — |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10 x 10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| Series | SAM3S | — |
| Compatibility | Pin-to-pin compatible with AT91SAM7S (48- and 64-pin versions) | Pin-to-pin compatible with AT91SAM7S legacy series |
| USB | USB 2.0 full-speed device | USB 2.0 High-Speed Device with integrated transceiver |
| Connectivity Peripherals | USART, SPI, TWI (I2C), PWM, ADC | — |
| RoHS Status | RoHS Compliant | Compliant (LQFP, Green, MRL) |
| Packaging | Tray | — |
| Maximum Clock Speed | — | 64 MHz |
| Core Supply Voltage (VDDCORE) | — | 1.08 V to 1.32 V |
| I/O Supply Voltage | — | 1.62 V to 3.6 V |
| Number of I/O | — | 47 |
| Memory Protection Unit | — | Yes (MPU) |
| Peripherals | — | DMA, 12-bit DAC, USART, SPI, TWI, PWM, ADC |
| Lifecycle Status | — | Active |