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您好，
JP15和JP16您连接了吗，请查看用户指南2.4.3 DVDD Supply处说明：
When using the SM-USB-DIG as the DVDD supply, uninstall jumper JP10 and install jumpers JP15
and JP15
请按照用户指南进行操作：www.ti.com.cn/.../slau727
