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Signal Name
Power Plane
During Reset2
Immediately After Reset2
S3/S4/S5
Deep Sx
High Definition Audio Interface
HDA_RST#
Primary
Driven Low
OFF
HDA_SYNC
Internal Pull-down
HDA_BCLK
HDA_SDO
HDA_SDI[1:0]
Display Audio Interface
HDACPU_BCLK
HDACPU_SDO
HDACPU_SDI
I2S/PCM Interface
I2S[2:0]_SCLK
I2S[2:0]_SFRM
I2S[2:0]_TXD
I2S[2:0]_RXD
I2S_MCLK
DMIC Interface
DMIC_CLKA[1:0]
DMIC_CLKB[1:0]
DMIC_DATA[1:0]
SoundWire Interface
SNDW[4:1]_DATA
SNDW[4:1]_CLK
Misc
SPKR
Low then disabled (refer to note)