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