ATSAM3A8CA-CU vs ATSAM3A4CA-CU Comparison
Detailed side-by-side comparison of ATSAM3A8CA-CU by Microchip Technology and ATSAM3A4CA-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
ATSAM3A8CA-CU - 84MHz Cortex-M3 MCU | Microchip Technology
ATSAM3A8CA-CU ✓ ActiveMicrochip Technology
ATSAM3A4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3A8CA-CU | ATSAM3A4CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Processor Core | ARM Cortex-M3 revision 2.0, 32-bit | — |
| Maximum CPU Frequency | 84 MHz | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Flash Memory | 512 KB | 256KB (256K x 8), 2 x 128KB banks |
| Flash Organization | 2 x 256 KB banks | — |
| SRAM | 96 KB | 64KB, 2 x 32KB banks |
| SRAM Organization | 64 KB + 32 KB banks | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V typical) |
| Package | 100-TFBGA, 9 x 9 mm | 100-TFBGA (9 x 9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| ADC | 12-bit | — |
| DAC | 12-bit | — |
| Temperature Sensor | Integrated | — |
| Timer | 32-bit timer and PWM timer | — |
| Real-Time Clock | Integrated RTC | — |
| Connectivity | CAN, ISUP2C, IrDA, LIN, MMC, SPI, SSC, UART/USART | CAN, I2C (TWI), IrDA, LIN, MMC/SD, SPI, SSC, UART/USART |
| Memory Protection | Memory Protection Unit (MPU) | MPU (Memory Protection Unit) |
| System Timer | 24-bit SysTick counter | — |
| Interrupt Control | Nested Vector Interrupt Controller | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| RoHS Compliance | [DATA_NEEDED: RoHS compliance status] | — |
| Core Processor | — | ARM Cortex-M3 revision 2.0 |
| Core Size | — | 32-bit, single-core |
| Maximum Clock Speed | — | 84 MHz |
| SysTick Timer | — | 24-bit |
| Interrupt Controller | — | NVIC (Nested Vectored Interrupt Controller) |
| Operating Temperature | — | -40C to +85C (industrial) |
| RoHS Status | — | Compliant (green package) |
| Series | — | SAM3A |