ATSAM3S4AA-AU vs ATSAM4S2AA-AU Comparison
Detailed side-by-side comparison of ATSAM3S4AA-AU by Microchip Technology and ATSAM4S2AA-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
ATSAM3S4AA-AU - 64MHz Cortex-M3 MCU, 256KB Flash | Microchip (Tape & Reel)
ATSAM3S4AA-AU ✓ ActiveMicrochip Technology
ATSAM4S2AA-AU - Cortex-M4 120MHz MCU 128KB Flash | Microchip
ATSAM4S2AA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4AA-AU | ATSAM4S2AA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 | — |
| Core Size | 32-Bit | — |
| Maximum Clock Frequency | 64 MHz | 120 MHz |
| Flash Memory | 256 KB (256K x 8) | 128 KB |
| SRAM | 48 KB | 64 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Temperature | -40C to +85C | Industrial range (GREEN, IND TEMP per distributor data) |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Connectivity | I2C, SPI, USB, MMC/SDIO, UART, USART | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, DMA, WDT | — |
| Data Converters | A/D 12-bit, D/A 10-bit | — |
| USB | Full Speed USB Device with embedded transceiver | — |
| Number of I/O | [DATA_NEEDED: number of programmable I/O lines] | — |
| Program Memory Type | FLASH | — |
| Packaging | Tape & Reel (suffix R) | Tray |
| RoHS Status | [DATA_NEEDED: RoHS compliance status] | — |
| Core | — | ARM Cortex-M4 (32-bit) |
| Instruction Set | — | Thumb-2 with DSP instructions |
| Memory Protection Unit | — | Yes (MPU) |
| Typical Low-Power Consumption | — | 180 uA (manufacturer published) |
| Series | — | SAM4S |
| Core Width | — | 32-bit |
| Data ROM Size | — | [DATA_NEEDED: Data ROM Size] |
| Flash Features | — | ECC, Security Bit, Lock Bits |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL Level] |