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