ATSAM3X8CA-AU vs ATSAM3N4BA-MU Comparison
Detailed side-by-side comparison of ATSAM3X8CA-AU by Microchip Technology and ATSAM3N4BA-MU 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 ✓ ActiveMicrochip Technology
ATSAM3N4BA-MU - 48MHz Cortex-M3 MCU, 256KB Flash | Microchip
ATSAM3N4BA-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3X8CA-AU | ATSAM3N4BA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| 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 | — |
| Flash Memory | 512 KB (2 x 256 KB banks) | — |
| SRAM | 96 KB (64 KB + 32 KB banks) | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Connectivity | CAN, Ethernet, I2C, IrDA, LIN, MMC, SPI, SSC, UART, USB | — |
| USB | High-speed USB with integrated transceiver | — |
| Supply Voltage | 1.62 V to 3.6 V | 1.8 V to 3.3 V |
| Operating Temperature | -40C to +85C | -40C to +85C |
| Package | 100-LQFP (14 x 14 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| SysTick Timer | 24-bit | 24-bit |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | NVIC (Nested Vector Interrupt Controller) |
| Series | SAM3X/A | — |
| RoHS Status | Compliant (Green package) | Compliant (lead-free MU suffix) |
| Maximum Clock Frequency | — | 48 MHz |
| Flash Memory Size | — | 256KB (256K x 8) |
| RAM Size | — | 24K x 8 |
| Number of I/O | — | 47 |
| Oscillator Type | — | Internal |
| Package / Case | — | 64-QFN (9x9 mm) with exposed pad |
| Packaging | — | Tray |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3S (48/64/100-pin) and SAM7S (48/64-pin) |