ATSAM3X8EA-AU vs ATSAM4S8BA-AU Comparison
Detailed side-by-side comparison of ATSAM3X8EA-AU by Microchip Technology and ATSAM4S8BA-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
ATSAM3X8EA-AU - 84MHz Cortex-M3 MCU, 512KB Flash | Microchip
ATSAM3X8EA-AU ✓ ActiveMicrochip Technology
ATSAM4S8BA-AU - ARM Cortex-M4 120MHz 512KB MCU | Microchip
ATSAM4S8BA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3X8EA-AU | ATSAM4S8BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.25 | $3.72 |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-bit | — |
| Maximum Clock Speed | 84 MHz | 120 MHz |
| Flash Memory | 512 KB (512K x 8) | — |
| SRAM | 100 KB (100K x 8), dual bank | 128 KB |
| Supply Voltage | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V) | — |
| ADC | 16-channel, 12-bit | 12-bit, up to 1 Msps |
| DAC | 2-channel, 12-bit | — |
| Connectivity | CAN, EBI/EMI, Ethernet, I2C, IrDA, LIN, MMC/SD, SPI, UART/USART, USB | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Interrupt Controller | NVIC (Nested Vector Interrupt Controller) | — |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Package | 144-LQFP (20 x 20 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40 C to +85 C (industrial) |
| Oscillator Type | Internal | — |
| Terminal Form | Gull Wing | — |
| Series | SAM3X/A (SAM3X) | — |
| Core | — | ARM Cortex-M4 |
| Core Architecture | — | 32-bit RISC with DSP extensions |
| Program Memory (Flash) | — | 512 KB (512K x 8) |
| Instruction Cache | — | 2 KB |
| Operating Voltage | — | 1.62 V to 3.6 V |
| USB | — | USB 2.0 Full-Speed Device with on-chip transceiver |
| Communication Interfaces | — | 2x UART, 2x TWI (I2C), 1x SPI, 1x I2S, 1x SDIO/SD/MMC |
| I/O Pins | — | 47 |
| Timers/PWM | — | 16-bit PWM channels |
| Pin-to-Pin Compatibility | — | SAM3N, SAM3S, SAM7S legacy (64-/100-pin) |
| RoHS Status | — | Compliant (Green, IND TEMP per Mouser listing) |