MCF54451VM240 vs MCF54450VM240 对比
详细并排对比 MCF54451VM240 出自 NXP Semiconductors 和 MCF54450VM240 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 | MCF54451VM240 | MCF54450VM240 |
|---|---|---|
| 品牌 | NXP Semiconductors | NXP Semiconductors |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 不推荐新设计 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $25.10 | $24.50 |
| Core | ColdFire V4 (Version 4 with MMU and EMAC) | — |
| Operating Frequency | 240 MHz | — |
| DMIPS | up to 410 Dhrystone 2.1 MIPS | — |
| Program Memory Type | ROMless (external boot flash required) | ROMless |
| RAM Size | 32K x 8 on-chip SRAM | — |
| Instruction Cache | 16 KByte | 16 KB |
| Data Cache | 16 KByte | 16 KB |
| I/O Count | 132 | — |
| 封装 | 256-MAPBGA (17x17 mm) | 256-MAPBGA (17x17 mm) |
| 安装类型 | Surface Mount (BGA) | Surface Mount |
| 电源电压 | [DATA_NEEDED: core and I/O rail voltages] | [DATA_NEEDED: supply voltage range] |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Connectivity | 10/100 Ethernet MAC, USB OTG, PCI | I2C, SPI, SSI, UART/USART, USB OTG, Ethernet, PCI |
| Memory Controller | DDR/DDR2 SDRAM + NAND flash controller | — |
| 生命周期状态 | NRND (Not Recommended for New Designs) | NRND (Not Recommended for New Designs) |
| Packaging | Tray | — |
| Core Processor | — | ColdFire V4 |
| Core Size | — | 32-bit |
| Speed | — | 240 MHz |
| Internal SRAM | — | 32 KB |
| Memory Management Unit | — | Yes (MMU) |
| EMAC | — | Yes (enhanced multiply-accumulate) |
| Peripherals | — | DMA, WDT |
| Number of I/O | — | 132 |