ATSAM3S4CA-AU vs ATSAM3S4BA-AU Comparison
Detailed side-by-side comparison of ATSAM3S4CA-AU by Microchip Technology and ATSAM3S4BA-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 ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4CA-AU | ATSAM3S4BA-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 | — |
| Flash Organization | 256K x 8 bits | — |
| SRAM | 48 KB | — |
| Bit Width | 32 bits | — |
| Series | SAM3S | SAM3S (SAM3S4B) |
| Package | 100-lead LQFP, 14 mm x 14 mm | 64-LQFP (10x10 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] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant (RoHS/Green per distributor listings) |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| 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 (Typical) | — | 1.8 V / 3.3 V |
| Connectivity | — | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB |
| DMA | — | Yes (peripheral DMA controller) |
| Pin Count | — | 64 |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3N4B and SAM7S64 |
| MSL Level | — | [DATA_NEEDED: moisture sensitivity level] |
| ECCN / HTS | — | [DATA_NEEDED: ECCN] |