ATSAM3S2CA-AU vs ATSAM4S8BA-AN Comparison
Detailed side-by-side comparison of ATSAM3S2CA-AU by Microchip Technology and ATSAM4S8BA-AN 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
ATSAM3S2CA-AU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2CA-AU ✓ ActiveMicrochip Technology
ATSAM4S8BA-AN - SAM4S 120MHz Cortex-M4 MCU 512KB | Microchip
ATSAM4S8BA-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S2CA-AU | ATSAM4S8BA-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.25 | $4.10 |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-Bit | — |
| Max Clock Frequency | 64 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 512 KB |
| SRAM | 32 KB | 128 KB |
| Series | SAM3S | — |
| Instruction Set | Thumb-2 | — |
| Memory Protection Unit | Yes (MPU) | — |
| I/O Ports | 47 | — |
| Supply Voltage (VDDCORE domain) | 1.08 V to 1.32 V | — |
| I/O Supply | 1.8 V / 3.3 V | — |
| Temperature Grade | Industrial (-40C to +85C) | — |
| Package | 100-LQFP (14x14 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Life Cycle Stage | ACTIVE | — |
| Program Memory Type | Flash | — |
| RoHS Status | RoHS Compliant (lead-free, 'AU' suffix) | Compliant |
| Core | — | ARM Cortex-M4 with FPU |
| Operating Frequency | — | 120 MHz |
| Supply Voltage (VDDIO) | — | 3.0 V to 3.6 V |
| Operating Voltage Range (with internal regulator) | — | 1.62 V to 3.6 V |
| Active Power Consumption | — | 200 uA/MHz |
| Pin Count | — | 64 |
| I/O Pins | — | [DATA_NEEDED: number of GPIO pins for LQFP-64 variant] |
| ADC | — | 12-bit, up to 1 Msps |
| DAC | — | 12-bit |
| USB | — | USB 2.0 Full-Speed Device with on-chip PHY |
| Operating Temperature | — | -40C to +85C |
| Lead-Free | — | Yes |
| Pin-to-Pin Compatible Family | — | SAM7S, SAM3N, SAM3S |