ATSAM3S4BA-AU vs ATSAM3S4CA-AU Comparison
Detailed side-by-side comparison of ATSAM3S4BA-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
ATSAM3S4BA-AU - 64MHz Cortex-M3 MCU 256KB Flash | Microchip (Tape & Reel)
ATSAM3S4BA-AU ✓ Active
Specification Comparison
| Parameter | ATSAM3S4BA-AU | ATSAM3S4CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 (32-bit RISC) | — |
| Core Size | 32-bit | — |
| Maximum Clock Frequency | 64 MHz | — |
| Program Memory Size | 256KB (256K x 8) Flash | — |
| RAM Size | 49KB SRAM | — |
| Supply Voltage Range | 1.62 V to 3.6 V | [DATA_NEEDED: supply voltage range] |
| Supply Voltage (Typical) | 1.8 V / 3.3 V | — |
| Connectivity | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB | — |
| DMA | Yes (peripheral DMA controller) | — |
| Package | 64-LQFP (10x10 mm) | 100-lead LQFP, 14 mm x 14 mm |
| Mounting Type | Surface Mount | Surface mount |
| Pin Count | 64 | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Series | SAM3S (SAM3S4B) | SAM3S |
| Pin Compatibility | Pin-to-pin compatible with SAM3N4B and SAM7S64 | — |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | — |
| RoHS Status | Compliant (RoHS/Green per distributor listings) | [DATA_NEEDED: RoHS status] |
| ECCN / HTS | [DATA_NEEDED: ECCN] | — |
| 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 |
| 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] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |