| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | P89C669BBD | 80C51 8-bit microcontroller family with extended memory 96 kB Flash with 2 kB RAM | 847K |
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| 2 | P89C669BBD | 80C51 8-bit microcontroller family with extended memory 96 kB Flash with 2 kB RAM | 847K |
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