ATSAM3A4CA-AU vs ATSAM3X4CA-AUR Comparison
Detailed side-by-side comparison of ATSAM3A4CA-AU by Microchip Technology and ATSAM3X4CA-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 ✓ ActiveMicrochip Technology
ATSAM3X4CA-AUR - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3X4CA-AUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3A4CA-AU | ATSAM3X4CA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.30 | $7.86 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Speed | 84 MHz | — |
| Program Memory Size | 256 KB (2 x 128 KB banks) | — |
| Program Memory Type | FLASH | FLASH |
| RAM Size | 64 KB (2 x 32 KB banks) | — |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Data Converters | A/D 16x12-bit; D/A 2x12-bit | — |
| Connectivity | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB | — |
| Oscillator Type | Internal | — |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Instruction Set | Thumb-2 | Thumb-2 (RISC) |
| SysTick Counter | 24-bit | — |
| Operating Temperature | -40C to +85C | — |
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | — |
| Series | SAM3A | SAM3X (ATSAM3X) |
| Maximum Clock Frequency | — | 84 MHz |
| Flash Memory Size | — | 256 KB (256K x 8) |
| Supply Voltage Minimum | — | 1.62 V |
| Nominal Supply Voltage Options | — | 1.8 V / 2.5 V / 3.3 V |
| Number of Pins | — | 100 |
| Mounting Style | — | Surface Mount |
| Temperature Rating | — | Green Industrial |
| RoHS Status | — | Compliant (Green package) |
| SRAM Size | — | [DATA_NEEDED: SRAM size] |
| Number of I/O | — | [DATA_NEEDED: number of I/O] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Peripherals | — | [DATA_NEEDED: peripheral list] |