PCM5100A-Q1: PCM5100A设计

Part Number: PCM5100A-Q1
Other Parts Discussed in Thread: PCM5100A
PCM5100A的DVDD供电1.8V,那么XSMT、FMT、FLT、SCK高电平应该是1.8V电平?
同时,如果3线IIS,SCK是应该悬空,还是接地?