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AM3354的RTC问题。

Other Parts Discussed in Thread: AM3354

我发现AM3354的RTC有奇怪的现象。

我在hwclock -w 后,运行hwclock -r 发现值是正确的。但是,外部电源断电一段时间后,RTC的值仍然停留在先前hwclock -w时候的值,没有累加。

板子已经加了晶振,且电池供电,CPU的话是PG1.0的版本。