ATSAM3S2BA-AU vs ATSAM3S8BA-AU Comparison
Detailed side-by-side comparison of ATSAM3S2BA-AU by Microchip Technology and ATSAM3S8BA-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 β ActiveMicrochip Technology
ATSAM3S8BA-AU - Cortex-M3 64MHz 512KB Flash MCU | Microchip
ATSAM3S8BA-AU β ActiveSpecification Comparison
| Parameter | ATSAM3S2BA-AU | ATSAM3S8BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.66 | $6.40 |
| 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 | β |
| Flash Memory | 128 KB (128K x 8) | β |
| SRAM | 32 KB | β |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | β |
| Supply Voltage | 1.8 V / 3.3 V | 1.8 V / 2.5 V / 3.3 V |
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | β |
| Operating Temperature | -40C to +85C (industrial) | β |
| Series | SAM3S | β |
| Compatibility | Pin-to-pin compatible with AT91SAM7S (48- and 64-pin versions) | β |
| USB | USB 2.0 full-speed device | β |
| Connectivity Peripherals | USART, SPI, TWI (I2C), PWM, ADC | β |
| RoHS Status | RoHS Compliant | Compliant (LQFP, Grn, MRL per Mouser) |
| Packaging | Tray | Tray |
| Maximum Clock Speed | β | 64 MHz |
| Program Memory Size | β | 512KB (512K x 8) |
| Program Memory Type | β | FLASH |
| SRAM Size | β | [DATA_NEEDED: SRAM size] |
| Number of I/O | β | 47 |
| Connectivity | β | I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Peripherals | β | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| MPU | β | Yes (Memory Protection Unit) |
| Mounting Style | β | SMD (Surface Mount) |
| Family Compatibility | β | Pin-to-pin compatible with AT91SAM7S series |
| Touch Support | β | Native Atmel QTouch capacitive touch |