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TPS65930 26M时钟输出不了!

Other Parts Discussed in Thread: TPS65930, DM3730

最近在做一个DM3730的项目,使用电源管理芯片为TPS65930,现在测试芯片输出电压基本正常,32K和26M的晶振也起振了,但是3730无法工作,测TPS65930输出到3730的32K方波信号是有的,而26M时钟信号一直是1.8V的高电平。开始以为是DM3730没有提供给clk_req信号(手册显示需要拉高),将3730焊下,手工飞线直接拉高clk_req信号,发现还是没有26M的方波输出,是否可以判断该TPS65930芯片已经损坏?