ATSAM3X8CA-AU vs ATSAM3S8BA-MUR 对比
详细并排对比 ATSAM3X8CA-AU 出自 Microchip Technology 和 ATSAM3S8BA-MUR 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
ATSAM3S8BA-MUR - 64MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3S8BA-MUR ✓ 量产中规格对比
| 参数 | ATSAM3X8CA-AU | ATSAM3S8BA-MUR |
|---|---|---|
| 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 | $5.15 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit Single-Core |
| Maximum Clock Speed | 84 MHz | — |
| Flash Memory | 512 KB (2 x 256 KB banks) | 512 KB (512K x 8) |
| SRAM | 96 KB (64 KB + 32 KB banks) | 64 KB |
| Instruction Set | Thumb-2 | — |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Connectivity | CAN, Ethernet, I2C, IrDA, LIN, MMC, SPI, SSC, UART, USB | I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| USB | High-speed USB with integrated transceiver | USB 2.0 Full-Speed Device, 12 Mbps, on-chip transceiver, 2668 byte FIFO, up to 8 bidirectional endpoints |
| 电源电压 | 1.62 V to 3.6 V | — |
| 工作温度 | -40C to +85C | — |
| 封装 | 100-LQFP (14 x 14 mm) | 64-QFN (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| SysTick Timer | 24-bit | — |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | — |
| Series | SAM3X/A | — |
| RoHS 状态 | Compliant (Green package) | Compliant (Green package per Mouser listing) |
| 最大时钟频率 | — | 64 MHz |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| USARTs | — | Up to 3 (ISO7816, IrDA, RS-485, SPI, Manchester, Modem modes) |
| UARTs | — | 2 |
| TWI (I2C-compatible) | — | Up to 2 |
| SPI | — | 1 |
| Serial Synchronous Controller | — | 1 (I2S) |
| High Speed Multimedia Card Interface | — | 1 (SDIO/SD Card/MMC) |
| Timers | — | 6 x Three-Channel 16-bit Timer/Counter |
| Temperature Grade | — | Industrial |