ATSAM3A4CA-AU vs ATSAM3N0AA-AUR Comparison
Detailed side-by-side comparison of ATSAM3A4CA-AU by Microchip Technology and ATSAM3N0AA-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
ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-AU β ActiveMicrochip Technology
ATSAM3N0AA-AUR - 48MHz Cortex-M3 MCU 32KB Flash LQFP-48 | Microchip
ATSAM3N0AA-AUR β ActiveSpecification Comparison
| Parameter | ATSAM3A4CA-AU | ATSAM3N0AA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.30 | $2.38 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 |
| Core Size | 32-bit | 32-bit single-core |
| Maximum Clock Speed | 84 MHz | β |
| Program Memory Size | 256 KB (2 x 128 KB banks) | β |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 64 KB (2 x 32 KB banks) | β |
| Supply Voltage | 1.62 V to 3.6 V | β |
| Data Converters | A/D 16x12-bit; D/A 2x12-bit | [DATA_NEEDED: ADC channels and resolution] |
| Connectivity | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB | UART/USART, SPI, I2C (two-wire interface) |
| Oscillator Type | Internal | Internal |
| Memory Protection | MPU (Memory Protection Unit) | β |
| Instruction Set | Thumb-2 | β |
| SysTick Counter | 24-bit | β |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Package | 100-LQFP (14 x 14 mm) | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3A | β |
| Maximum Clock Frequency | β | 48 MHz |
| Flash Memory | β | 32KB (32K x 8) |
| SRAM | β | 8KB (8K x 8) |
| Supply Voltage Range | β | 1.62 V to 3.6 V |
| Number of I/O | β | [DATA_NEEDED: Number of I/O] |
| Peripherals | β | DMA, WDT, PWM |
| Packaging | β | Tape & Reel (R suffix) |
| RoHS Status | β | Compliant (GREEN, per Mouser listing) |