MCIMX255AJM4A vs MCIMX257DJM4A 对比
详细并排对比 MCIMX255AJM4A 出自 NXP Semiconductors 和 MCIMX257DJM4A 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 | MCIMX255AJM4A | MCIMX257DJM4A |
|---|---|---|
| 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） | $24.95 | $16.54 |
| Manufacturer | NXP Semiconductors (formerly Freescale) | — |
| Product Family | i.MX25 Applications Processor | — |
| Silicon Version | 1.2 (Automotive AEC-Q100 grade) | 1.2 |
| Core Architecture | ARM926EJ-S | ARM926EJ-S |
| Core Count | 1 | 1 |
| 数据总线宽度 | 32-bit | 32-bit |
| Maximum CPU Frequency | 400 MHz | — |
| On-chip RAM | 144 Kbytes | — |
| Instruction Cache | 32 Kbytes | 16 KB |
| Data Cache | 32 Kbytes | 16 KB |
| MMU | Yes (Linux/WinCE support) | — |
| 封装 | 400-LFBGA (MAPBGA-400), 17x17 mm, 0.8 mm pitch | — |
| 安装类型 | Surface Mount (BGA) | — |
| I/O Voltage | 1.8 V / 2.5 V / 3.3 V tolerant | — |
| LCD Controller | Up to SVGA, up to 18 bpp | Yes (up to WVGA) |
| 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) | -40 °C to +85 °C |
| Compliance | AEC-Q100 automotive, RoHS | — |
| 最大时钟频率 | — | 400 MHz |
| Internal SRAM | — | 128 KB |
| Number of I/O | — | 128 |
| 封装 / 外壳 | — | 400-LFBGA (17x17 mm) |
| Supply Voltage - Core | — | 1.38 V to 1.52 V |
| Supply Voltage - I/O | — | 3.0 V to 3.6 V |
| Oscillator Type | — | External |
| USB PHYs | — | 2 (HS OTG + HS Host) |
| Ethernet MAC | — | 10/100 Mbps |
| ADC Channels | — | 3 x 12-bit |
| Touchscreen Controller | — | Yes (integrated) |
| Packaging | — | Tray |
| Series | — | i.MX25 |
| RoHS 状态 | — | Compliant |