ATSAM3A4CA-CU vs ATSAM3X4CA-CU 对比
详细并排对比 ATSAM3A4CA-CU 出自 Microchip Technology 和 ATSAM3X4CA-CU 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
ATSAM3A4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-CU ✓ 量产中Microchip Technology
ATSAM3X4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3X4CA-CU ✓ 量产中规格对比
| 参数 | ATSAM3A4CA-CU | ATSAM3X4CA-CU |
|---|---|---|
| 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） | $5.40 | $6.10 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit, single-core | 32-bit |
| Maximum Clock Speed | 84 MHz | 84 MHz |
| Flash Memory | 256KB (256K x 8), 2 x 128KB banks | 256KB (256K x 8) |
| SRAM | 64KB, 2 x 32KB banks | [DATA_NEEDED: SRAM size] |
| Supply Voltage Range | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V typical) | — |
| Connectivity | CAN, I2C (TWI), IrDA, LIN, MMC/SD, SPI, SSC, UART/USART | CAN, Ethernet, I2C, IrDA, LIN, MMC, SPI, SSC |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | MPU (Memory Protection Unit) |
| SysTick Timer | 24-bit | — |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | Nested Vector Interrupt Controller (NVIC) |
| 封装 | 100-TFBGA (9 x 9 mm) | 100-TFBGA (9x9 mm), BGA100 |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| RoHS 状态 | Compliant (green package) | Compliant (GREEN package) |
| Series | SAM3A | SAM3X (ATSAM3X) |
| SysTick Counter | — | 24-bit |
| 电源电压 | — | 1.8 V (core, per distributor listing) |
| Temperature Grade | — | Industrial |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| Package Color / MRL | — | GREEN, MRL A |
| 热阻 | — | [DATA_NEEDED: theta JA] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |