8317 8317 N/B MN/B Maaintenanceintenance
5.3 ULI M1573 South Bridge(5)
Audio Interface Audio Interface (Continued)
Pin Name I/O Type Description Pin Name I/O Type Description
AC-Link Signals AC-Link Signals
ACZ_RST# O AC97 Reset Signal. ACB_SDATAIN / I AC97 LinkB Serial Data Input.
This is the AC?97 Codec(s) master hardware reset signal output.RSMGPI[15] These signals are used for serial, TDM (Time Division
HD Audio Reset Signal. Multiplexing), AC?97 input stream from the CODEC. This pin
This is the HD Audio Codec(s) master hardware reset signal can be configured as RSMGPI.
output. Audio Miscellaneous Interface
ACZ_SYNC O AC?97 SYNC Signal.
This signal is used for AC?97 48 KHz fixed rate sample sync. VOL_UP#/ I Volume Up Control Signal for Audio.
HD Audio SYNC Signal. RUNGPI[11] This pin is used to tune up audio volume and connects to AC97
GPIO[1] input. This pin can be configured as RUNGPI.
This signal is used for HD Audio 48 KHz fixed rate sample VOL_DOWN#/ I Volume Down Control Signal for Audio.
sync. RUNGPI[12] This pin is used to down audio volume connects to AC97
ACZ_SDOUT O AC?97 Serial Data Output Signal. GPIO[0] input.
This signal is used for serial, time division multiplexing, AC?97 This pin can be configured as RUNGPI.
output stream to the Codec(s). VOL_MUTE#/ I Volume Mute Control Signal for Audio.
HD Audio Serial Data Output Signal. RUNGPI[13] This pin is used to mute audio and connects to AC97 GPIO[2]
This signal is used for serial, time division multiplexing, HD input. This pin can be configured as RUNGPI.
Audio output stream to the Codec(s).
ACZ_BITCLK I/O AC97 Bit Clock Input Signal. This signal is used for AC97
12.288 MHz serial data clock.
HD Audio Bit Clock Output Signal. This signal is used for
HD Audio 12.288 MHz serial data clock.
ACZ_SDATAIN[2:0] I/O AC97 Serial Data Input[2:0].
These signals are used for serial, TDM (Time Division
Multiplexing), AC?97 input stream from the Codecs. LPC Interface
HD Audio Serial Data Input[2:0]. Pin Name I/O Type Description
These signals are used for serial, TDM (Time Division LFRAME# O Low Pin Count FRAME# Signal.
Multiplexing), HD Audio input stream from the Codecs. This signal is the frame signal of Low Pin Count
ACB_RST#/ O AC97 LinkB Reset Signal.
RSMGPO[10] This is the AC?97 Codec(s) master hardware reset signal output. interface.
This pin can be configured as RSMGPO. LAD[3:0] I/O LAD[3:0].
ACB_SYNC / O AC?97 LinkB SYNC Signal. These pins are address/data signals for Low-Pin-Count
RUNGPO[23] This signal is used for AC?97 48 KHz fixed rate sample sync. interface.
This pin can be configured as RUNGPO.
ACB_SDOUT / O AC?97 Serial Data Output Signal. LDRQ[0]# I Low Pin Count DMA Request Signal[1:0].
RUNGPO[24] This signal is used for serial, time division multiplexing, AC?97 LDRQ[1]#/ These pins are DMA request signals used by LPC
RUNGPI[14] devices. LDRQ[1]# can be configured as RUNGPI.
output stream to the Codec(s). This pin can be configured as
RUNGPO.
ACB_BITCLK / I AC97 LinkB Bit Clock Input Signal.
RUNGPI[18] This signal is used for AC97 12.288 MHz serial data clock. This
pin can be configured as RUNGPI.
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