ATSAM3A4CA-CU vs ATSAM3S4CA-CU Comparison
Detailed side-by-side comparison of ATSAM3A4CA-CU by Microchip Technology and ATSAM3S4CA-CU 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-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-CU β ActiveMicrochip Technology
ATSAM3S4CA-CU - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4CA-CU β ActiveSpecification Comparison
| Parameter | ATSAM3A4CA-CU | ATSAM3S4CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.40 | $4.95 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 |
| Core Size | 32-bit, single-core | 32-Bit |
| Maximum Clock Speed | 84 MHz | 64 MHz |
| Flash Memory | 256KB (256K x 8), 2 x 128KB banks | 256 KB (256K x 8) |
| SRAM | 64KB, 2 x 32KB banks | 48 KB |
| Supply Voltage Range | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V typical) | 1.62 V to 3.6 V |
| Connectivity | CAN, I2C (TWI), IrDA, LIN, MMC/SD, SPI, SSC, UART/USART | β |
| Instruction Set | Thumb-2 | Thumb-2 (RISC) |
| Memory Protection | MPU (Memory Protection Unit) | β |
| SysTick Timer | 24-bit | β |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | β |
| Package | 100-TFBGA (9 x 9 mm) | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| RoHS Status | Compliant (green package) | β |
| Series | SAM3A | SAM3S |
| Core Supply Voltage | β | 1.08 V to 1.32 V (1.2 V nominal) |
| DMA Controller | β | Yes |
| Program Memory Type | β | Flash |
| Packing Classification | β | MRL A |
| Life Cycle Stage | β | ACTIVE |
| Pin-to-Pin Compatible Family | β | SAM3N4C |