ATSAM3S4CA-AU vs ATSAM3S2AA-AU Comparison
Detailed side-by-side comparison of ATSAM3S4CA-AU by Microchip Technology and ATSAM3S2AA-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
ATSAM3S2AA-AU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip (Tape & Reel)
ATSAM3S2AA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4CA-AU | ATSAM3S2AA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 32-bit ARM Cortex-M3 flash microcontroller | — |
| Processor Core | ARM Cortex-M3 | — |
| Maximum CPU Frequency | 64 MHz | — |
| Flash Memory | 256 KB | 128 KB (131 KB per some distributor listings) |
| Flash Organization | 256K x 8 bits | — |
| SRAM | 48 KB | 32 KB |
| Bit Width | 32 bits | — |
| Series | SAM3S | — |
| Package | 100-lead LQFP, 14 mm x 14 mm | 48-LQFP (7x7 mm) |
| Mounting Type | Surface mount | Surface Mount |
| Temperature Grade | Industrial temperature | — |
| Supply Voltage Range | [DATA_NEEDED: supply voltage range] | 1.62 V to 3.6 V |
| GPIO Count | [DATA_NEEDED: GPIO count] | — |
| UART Count | [DATA_NEEDED: UART count] | — |
| SPI Count | [DATA_NEEDED: SPI count] | — |
| I2C Count | [DATA_NEEDED: I2C count] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | [DATA_NEEDED: ADC resolution and channels] |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (Green package per distributor listing) |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Core Processor | — | ARM Cortex-M3 |
| Core Size | — | 32-Bit |
| Maximum Clock Frequency | — | 64 MHz |
| Technology | — | CMOS |
| Connectivity | — | UART, SPI, I2C (TWI), I2S, USB 2.0 Full-Speed |
| Operating Temperature | — | -40C to +85C (Industrial) |
| Instruction Set | — | RISC / Thumb-2 |
| Pin-to-Pin Compatibility | — | Compatible with SAM3N2A |
| Packaging | — | Tape & Reel (TR) |
| Peripheral Features | — | DMA, parallel data capture mode on PIOs |
| EEPROM / Data Flash | — | [DATA_NEEDED: EEPROM size] |
| Number of I/O | — | [DATA_NEEDED: GPIO count] |