ATSAM3A4CA-AU vs ATSAM3A4CA-CU Comparison
Detailed side-by-side comparison of ATSAM3A4CA-AU 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
ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-AU β ActiveMicrochip Technology
ATSAM3A4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-CU β ActiveSpecification Comparison
| Parameter | ATSAM3A4CA-AU | ATSAM3A4CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.30 | $5.40 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit, single-core |
| Maximum Clock Speed | 84 MHz | 84 MHz |
| Program Memory Size | 256 KB (2 x 128 KB banks) | β |
| Program Memory Type | FLASH | β |
| RAM Size | 64 KB (2 x 32 KB banks) | β |
| Supply Voltage | 1.62 V to 3.6 V | β |
| Data Converters | A/D 16x12-bit; D/A 2x12-bit | β |
| Connectivity | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB | CAN, I2C (TWI), IrDA, LIN, MMC/SD, SPI, SSC, UART/USART |
| Oscillator Type | Internal | β |
| Memory Protection | MPU (Memory Protection Unit) | MPU (Memory Protection Unit) |
| Instruction Set | Thumb-2 | Thumb-2 |
| SysTick Counter | 24-bit | β |
| Operating Temperature | -40C to +85C | -40C to +85C (industrial) |
| Package | 100-LQFP (14 x 14 mm) | 100-TFBGA (9 x 9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3A | SAM3A |
| Flash Memory | β | 256KB (256K x 8), 2 x 128KB banks |
| SRAM | β | 64KB, 2 x 32KB banks |
| Supply Voltage Range | β | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V typical) |
| SysTick Timer | β | 24-bit |
| Interrupt Controller | β | NVIC (Nested Vectored Interrupt Controller) |
| RoHS Status | β | Compliant (green package) |