ATSAM3X8CA-AU vs ATSAM3A4CA-AU Comparison
Detailed side-by-side comparison of ATSAM3X8CA-AU by Microchip Technology and ATSAM3A4CA-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
ATSAM3X8CA-AU - 84MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3X8CA-AU β ActiveMicrochip Technology
ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-AU β ActiveSpecification Comparison
| Parameter | ATSAM3X8CA-AU | ATSAM3A4CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.18 | $12.30 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Speed | 84 MHz | 84 MHz |
| Flash Memory | 512 KB (2 x 256 KB banks) | β |
| SRAM | 96 KB (64 KB + 32 KB banks) | β |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | MPU (Memory Protection Unit) |
| Connectivity | CAN, Ethernet, I2C, IrDA, LIN, MMC, SPI, SSC, UART, USB | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB |
| USB | High-speed USB with integrated transceiver | β |
| Supply Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C |
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| SysTick Timer | 24-bit | β |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | β |
| Series | SAM3X/A | SAM3A |
| RoHS Status | Compliant (Green package) | β |
| Program Memory Size | β | 256 KB (2 x 128 KB banks) |
| Program Memory Type | β | FLASH |
| RAM Size | β | 64 KB (2 x 32 KB banks) |
| Data Converters | β | A/D 16x12-bit; D/A 2x12-bit |
| Oscillator Type | β | Internal |
| SysTick Counter | β | 24-bit |