ATSAM3S2BA-AUR vs ATSAM4S2BA-AU Comparison
Detailed side-by-side comparison of ATSAM3S2BA-AUR by Microchip Technology and ATSAM4S2BA-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-AUR - Cortex-M3 MCU 64MHz 128KB Flash | Microchip
ATSAM3S2BA-AUR β ActiveMicrochip Technology
ATSAM4S2BA-AU - Cortex-M4 120MHz 128KB MCU | Microchip
ATSAM4S2BA-AU β ActiveSpecification Comparison
| Parameter | ATSAM3S2BA-AUR | ATSAM4S2BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $3.71 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M4 with FPU |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Frequency | 64 MHz | 120 MHz |
| Flash Memory | 128 KB (128K x 8) | 128 KB (128K x 8) |
| SRAM | 32 KB | 64 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| I/O Count | [DATA_NEEDED: I/O count] | β |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Instruction Set | Thumb-2 | β |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | β |
| Interfaces | UART/USART, SPI, TWI (I2C), USB | β |
| Peripherals | PWM, ADC, WDT, DMA | β |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | β |
| RoHS Status | Compliant (LQFP, Green) | Compliant (GREEN, MRL A) |
| Packaging | Tape & Reel (R suffix) | β |
| Supply Voltage (VDD) | β | 1.62 V to 3.6 V |
| Connectivity | β | USB 2.0 Full-Speed Device, USART, TWI (I2C), SPI, SSC |
| ADC Resolution | β | 12-bit |
| DAC Resolution | β | 12-bit |
| DMA | β | Yes, peripheral DMA controller |
| PWM | β | Yes (PWM controller) |
| Timers | β | Timer/Counter channels, RTC, Watchdog Timer |
| Memory Card Interface | β | HSMCI (SD/MMC/eMMC) |
| Power Consumption | β | 180 uA/MHz class (per Microchip product page) |
| Series | β | SAM4S (SAM32 Family) |