AD1986A Analog Devices, AD1986A Datasheet - Page 52

• Manufacturer Part Number: AD1986A
• Description: HD Audio SoundMAX Codec
• Manufacturer: Analog Devices

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AD1986A
Register
S [4:0] (RO)
ST [2:0]
(Connector/Jack
location Bits,
Read/Write)
4
Function
0x09
0x0A
0x0B–0x0E
0x0F
0x10–0x1F
Sensed bits (when input sense cycle initiated). This field allows for the reporting of the type of input peripheral/device
plugged in the jack. Specified values should be interrogated with the SR [5:0] and OR [1:0] bits for accurate reporting.
ST [2:0]
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B–0x1E
0x1F
This field describes the location of the jack in the system. This field is updated by the BIOS. These bits are only reset by a
power-on reset because it is typically written by the system BIOS and is not reset by codec hard or soft resets as long as
power remains applied to the codec.
ST [2:0]
0x0
0x1
0x2
0x3
0x4–0x6
0x7
Mono headset (mono speaker left channel and mic. Read Functions 5 and 6 for
matching microphone)
Allows a vendor to report sensing other type of devices/peripherals. SR [5:0]
together with OR [1:0] provide information regarding the type of device sensed
Reserved
Unknown (use fingerprint)
Reserved
Sense Value
Data not valid. Indicates that the reported value(s) is invalid
No connection. Indicates that there are no connected devices
Indicates a specific fingerprint value for devices that are not specified or are
unknown
Microphone (mono)
Microphone (stereo)
Stereo line in (CE device attached)
Mono line in (CE device attached)
SPDIF In (electrical)
SPDIF In (TOS)
Headset (mono speaker left channel and mic.) Read Functions 0 to 3 for matching
DAC out
Allows a vendor to report sensing other types of devices/peripherals. SR [5:0]
together with OR [1:0] provide information regarding the type of device sensed
Reserved
Unknown (use fingerprint)
Jack Location
Rear I/O panel
Front panel
Motherboard
Dock/external
Reserved
No connection/unused I/O
Rev. 0 | Page 52 of 56
Power-on
default
Default
Default