ATSAM4S8BA-AU vs ATSAM4S2BA-AU Comparison
Detailed side-by-side comparison of ATSAM4S8BA-AU by Microchip Technology and ATSAM4S2BA-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 ✓ Active
Specification Comparison
| Parameter | ATSAM4S8BA-AU | ATSAM4S2BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.72 | $3.71 |
| Core | ARM Cortex-M4 | — |
| Core Architecture | 32-bit RISC with DSP extensions | — |
| Instruction Set | Thumb-2 | — |
| Maximum Clock Speed | 120 MHz | — |
| Program Memory (Flash) | 512 KB (512K x 8) | — |
| SRAM | 128 KB | 64 KB |
| Instruction Cache | 2 KB | — |
| Operating Voltage | 1.62 V to 3.6 V | — |
| ADC | 12-bit, up to 1 Msps | — |
| 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) | 64-LQFP (10x10 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) | Compliant (GREEN, MRL A) |
| Core Processor | — | ARM Cortex-M4 with FPU |
| Core Size | — | 32-bit |
| Maximum Clock Frequency | — | 120 MHz |
| Flash Memory | — | 128 KB (128K x 8) |
| Supply Voltage (VDD) | — | 1.62 V to 3.6 V |
| Connectivity | — | USB 2.0 Full-Speed Device, USART, TWI (I2C), SPI, SSC |
| ADC Resolution | — | 12-bit |
| DAC Resolution | — | 12-bit |
| DMA | — | Yes, peripheral DMA controller |
| PWM | — | Yes (PWM controller) |
| Timers | — | Timer/Counter channels, RTC, Watchdog Timer |
| Memory Card Interface | — | HSMCI (SD/MMC/eMMC) |
| Power Consumption | — | 180 uA/MHz class (per Microchip product page) |
| Series | — | SAM4S (SAM32 Family) |