ATSAM3X8CA-AU vs ATSAM3A4CA-AU 对比
详细并排对比 ATSAM3X8CA-AU 出自 Microchip Technology 和 ATSAM3A4CA-AU 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATSAM3X8CA-AU - 84MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3X8CA-AU ✓ 量产中Microchip Technology
ATSAM3A4CA-AU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-AU ✓ 量产中规格对比
| 参数 | ATSAM3X8CA-AU | ATSAM3A4CA-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $7.18 | $12.30 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Speed | 84 MHz | 84 MHz |
| Flash Memory | 512 KB (2 x 256 KB banks) | — |
| SRAM | 96 KB (64 KB + 32 KB banks) | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | MPU (Memory Protection Unit) |
| Connectivity | CAN, Ethernet, I2C, IrDA, LIN, MMC, SPI, SSC, UART, USB | CAN, I2C, IrDA, LIN, MMC, SPI, SSC, UART/USART, USB |
| USB | High-speed USB with integrated transceiver | — |
| 电源电压 | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| 工作温度 | -40C to +85C | -40C to +85C |
| 封装 | 100-LQFP (14 x 14 mm) | 100-LQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| SysTick Timer | 24-bit | — |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | — |
| Series | SAM3X/A | SAM3A |
| RoHS 状态 | Compliant (Green package) | — |
| Program Memory Size | — | 256 KB (2 x 128 KB banks) |
| Program Memory Type | — | FLASH |
| RAM Size | — | 64 KB (2 x 32 KB banks) |
| Data Converters | — | A/D 16x12-bit; D/A 2x12-bit |
| Oscillator Type | — | Internal |
| SysTick Counter | — | 24-bit |