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AM4376: AM4376BZDND100和AM4376BZDND80差异

Part Number: AM4376
Other Parts Discussed in Thread: TPS65218D0, TPS65218

你好,

       我们一直在用AM4376BZDND100,电源芯片为TPS65218,由于最近买不到芯片,CPU直接替换成AM4376BZDND80,电源芯片直接替换成TPS65218D0,上电串口一直没有打印,测试电源信号和时序正常,CPU到SD卡的MMC总线一直有CLK、CMD、D0信号输出,但是不往下执行,我想问下,针对AM4376BZDND80和AM4376BZDND100这两个型号,在BOOT代码中有没有差异?