STAC9752A datasheet(79/106 Pages) IDT

79 / 106 page

STAC9752A/9753A

AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

PC AUDIO

IDT™

STAC9752A/9753A

V 1.5 1206

AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

7-6

OR1:0

Order Bits. These bits indicate the order the sense result bits SR[5:0] are using.

00 - 10

0 (i.e., Ohms)

01 - 10

1 (i.e., 10 Ohms)

10 - 102 (i.e., 100 Ohms)

11 - 10

3 (i.e., 1K Ohms)

5-0

SR5:SR0

Sense Result bits

These bits are used to report a vendor specific fingerprint or value. (Resistance,

impedance, reactance, ect). This field is Read Only.

Table 26. Sensed Bits (Outputs)

Reported Value

Output Peripheral/Device

Data not valid. Indicates that the reported value(s) is invalid.

No connection. Indicates that there are no connected devices.

Fingerprint. Indicates a specific fingerprint value for devices that are not specified or unknown.

Speakers (8 ohms)

Speakers (4 ohms)

Powered Speakers

Stereo Headphone

Reserved

Headset (mono speaker left channel and mic.)

Other. 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.

Bh-Eh

Reserved

Unknown (use fingerprint)

Table 27. Sensed Bits (Inputs)

Reported Value

Input Peripheral/Device

Data not valid. Indicates that the reported value(s) is invalid.

No connection. Indicates that there are no connected devices.

Fingerprint. Indicates a specific fingerprint value for devices that are not specified.

Microphone (mono)

Reserved

Stereo Line In (CE device attached)

Reserved

Headset (mono speaker left channel and mic.)

Other. 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.

Bh-Eh

Reserved

Unknown (use fingerprint)

Bit(s) Reset Value

Name

Description

STAC9752A Datasheet(PDF) 79 Page - Integrated Device Technology

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