MCIMX251AJM4A vs MCIMX255AJM4A 对比
详细并排对比 MCIMX251AJM4A 出自 NXP Semiconductors 和 MCIMX255AJM4A 出自 NXP Semiconductors。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。
规格对比
| 参数 | MCIMX251AJM4A | MCIMX255AJM4A |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 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） | $22.48 | $24.95 |
| Core Architecture | ARM926EJ-S | ARM926EJ-S |
| Core Count | 1 | 1 |
| 数据总线宽度 | 32-bit | 32-bit |
| Maximum CPU Clock | 400 MHz | — |
| Silicon Version | 1.2 | 1.2 (Automotive AEC-Q100 grade) |
| Instruction Cache | 16 KB | 32 Kbytes |
| Data Cache | 16 KB | 32 Kbytes |
| 工作电源电压 | -0.5 V to +1.52 V (core rail, see datasheet) | — |
| Maximum Operating Temperature | +85 C | — |
| 封装 | 400-ball MAP-BGA, 17x17 mm, 0.8 mm pitch | 400-LFBGA (MAPBGA-400), 17x17 mm, 0.8 mm pitch |
| 安装类型 | Surface Mount | Surface Mount (BGA) |
| Packaging | Tray | — |
| Automotive Grade | Yes (AEC-Q100 qualified, automotive temperature) | — |
| Integrated USB PHYs | 2 | — |
| On-chip ADC | 12-bit | — |
| Ethernet | 10/100 with RMII | — |
| Memory Interface | DDR2, LPDDR, MMC/SD/SDIO | — |
| LCD Controller | Yes (STN/TFT) | Up to SVGA, up to 18 bpp |
| RoHS 状态 | Compliant (per NXP product page) | — |
| Manufacturer | — | NXP Semiconductors (formerly Freescale) |
| Product Family | — | i.MX25 Applications Processor |
| Maximum CPU Frequency | — | 400 MHz |
| On-chip RAM | — | 144 Kbytes |
| MMU | — | Yes (Linux/WinCE support) |
| I/O Voltage | — | 1.8 V / 2.5 V / 3.3 V tolerant |
| USB Ports | — | 2x USB 2.0 High-Speed (on-chip PHY) |
| ADC | — | 3x 12-bit general-purpose with touchscreen controller |
| Memory Controller | — | DDR2 / LPDDR / NAND flash boot |
| Peripherals | — | 10/100 Ethernet MAC, CAN 2.0, SD/MMC, I2S/SSI, I2C, SPI, UART |
| 工作温度 | — | -40C to +85C (automotive grade) |
| Compliance | — | AEC-Q100 automotive, RoHS |