MCIMX257CJM4 vs MCIMX257CJM4A 对比
详细并排对比 MCIMX257CJM4 出自 NXP Semiconductors 和 MCIMX257CJM4A 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 | MCIMX257CJM4 | MCIMX257CJM4A |
|---|---|---|
| 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） | $10.75 | $15.95 |
| Core Architecture | ARM926EJ-S (ARM9) | ARM926EJ-S (ARMv5TEJ) |
| Core Count | 1 | 1 |
| 数据总线宽度 | 32-bit | 32-bit |
| Maximum CPU Clock | 400 MHz | 400 MHz |
| L1 Instruction Cache | 16 KB | — |
| L1 Data Cache | 16 KB | — |
| MMU | Yes (Linux/WinCE capable) | — |
| Memory Controller | DDR/DDR2 up to 200 MHz, 16-bit | — |
| 封装 | 400-LFBGA (17 mm x 17 mm) | 400-LFBGA (17x17 mm) |
| Operating Temperature (Junction) | -40C to +105C (industrial grade) | — |
| Core Voltage | 1.3 V typical | — |
| I/O Voltage | 3.3 V | — |
| USB PHYs | 2 x USB 2.0 HS (Host + OTG) | — |
| Ethernet MAC | 2 x 10/100 Mbps (FEC) | — |
| ADC Channels | 3 x 12-bit SAR | — |
| Touchscreen Controller | 4-wire resistive integrated | 4-wire resistive, integrated |
| CAN | CAN 2.0B | — |
| Cryptography | AES accelerator | — |
| Process Technology | 90 nm CMOS | — |
| RAM Size (internal) | — | [DATA_NEEDED: internal SRAM size] |
| External Memory Support | — | DDR/DDR2, NAND, NOR flash |
| Number of I/O | — | 128 |
| Oscillator Type | — | External |
| USB | — | 2x USB 2.0 OTG with integrated PHY |
| ADC | — | 3x 12-bit SAR ADC |
| Graphics | — | LCD controller (basic, no GPU) |
| 工作温度 | — | -40C to +85C (industrial) |
| 安装类型 | — | Surface Mount (BGA) |
| Packaging | — | Tray |
| RoHS 状态 | — | Compliant |
| MSL 等级 | — | [DATA_NEEDED: MSL rating] |