ATSAM3A4CA-AU vs ATSAM3S4CA-AU Comparison
Detailed side-by-side comparison of ATSAM3A4CA-AU by Microchip Technology and ATSAM3S4CA-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
ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-AU ✓ Active
Specification Comparison
| Parameter | ATSAM3A4CA-AU | ATSAM3S4CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-bit | — |
| Maximum Clock Speed | 84 MHz | — |
| Program Memory Size | 256 KB (2 x 128 KB banks) | — |
| Program Memory Type | FLASH | — |
| RAM Size | 64 KB (2 x 32 KB banks) | — |
| Supply Voltage | 1.62 V to 3.6 V | — |
| Data Converters | A/D 16x12-bit; D/A 2x12-bit | — |
| Connectivity | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB | — |
| Oscillator Type | Internal | — |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Instruction Set | Thumb-2 | — |
| SysTick Counter | 24-bit | — |
| Operating Temperature | -40C to +85C | — |
| Package | 100-LQFP (14 x 14 mm) | 100-lead LQFP, 14 mm x 14 mm |
| Mounting Type | Surface Mount | Surface mount |
| Series | SAM3A | SAM3S |
| Product Type | — | 32-bit ARM Cortex-M3 flash microcontroller |
| Processor Core | — | ARM Cortex-M3 |
| Maximum CPU Frequency | — | 64 MHz |
| Flash Memory | — | 256 KB |
| Flash Organization | — | 256K x 8 bits |
| SRAM | — | 48 KB |
| Bit Width | — | 32 bits |
| Temperature Grade | — | Industrial temperature |
| Supply Voltage Range | — | [DATA_NEEDED: supply voltage range] |
| 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] |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |