ATSAM3S4CA-AU vs ATSAM4S8CA-CUR Comparison
Detailed side-by-side comparison of ATSAM3S4CA-AU by Microchip Technology and ATSAM4S8CA-CUR 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
ATSAM4S8CA-CUR - ARM Cortex-M4 MCU 120MHz 512KB Flash | Microchip
ATSAM4S8CA-CUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4CA-AU | ATSAM4S8CA-CUR |
|---|---|---|
| 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 | — |
| Flash Organization | 256K x 8 bits | — |
| SRAM | 48 KB | 128 KB |
| Bit Width | 32 bits | — |
| Series | SAM3S | SAM4S (pin-to-pin with SAM4N/SAM3S/SAM3N/SAM7S) |
| Package | 100-lead LQFP, 14 mm x 14 mm | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface mount | Surface Mount |
| 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] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Core | — | ARM Cortex-M4 with FPU |
| Core Architecture | — | ARMv7-M |
| Maximum Clock Speed | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB |
| Supply Voltage (VDDIO) | — | 1.62 V to 3.6 V |
| Operating Temperature | — | -40C to +85C (Industrial) |
| USB | — | USB 2.0 Full-Speed with on-chip transceiver |
| CAN | — | Up to 2 CAN 2.0B controllers |
| ADC | — | 10-bit ADC |
| DMA Channels | — | 12 |
| External Bus Interface | — | Yes (EBI) |
| Active Power (typ) | — | 30 mA at 100 MHz |
| Back-up Mode Current | — | 3 uA at 1.8 V (RTC running) |
| MSL Level | — | [DATA_NEEDED: MSL rating] |
| AES Hardware Accelerator | — | Not present on S8 variant |