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STAC9752A Datasheet(PDF) 75 Page - Integrated Device Technology

Part # STAC9752A
Description  AC??7 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PDF  106 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9752A Datasheet(HTML) 75 Page - Integrated Device Technology

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STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
IDT™
75
STAC9752A/9753A
V 1.5 1206
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
Note: This register does not reset on RESET#.
7.4.5.
Function Information (68h Page 01h)
Register 24h must be set to Page 01h to access this register.
Bit(s) Reset Value
Name
Description
15-5
Reserved Reserved
4-1
00h
FC3:FC0
Function Code bits:
00h - Line Out (Master Out)
01h - Head Phone Out (AUX Out)
Setting the T/R bit to 0 = Left, 1 = Right
02h - DAC 3 (C/LFE) - Not Supported
03h - SPDIF out
04h - Phone In
05h - Mic1 (Mic select = 0)
06h - Mic2 (Mic select = 1)
07h - Line In
08h - CD In
09h - Video In
0Ah - Aux In
0Bh - Mono Out
0C-0Fh - Reserved
For supported Jack and Mic Sense Functions, see Table22: page75.
The Function Code Bits are used to read Register 68h (Page 01h) and Register
6Ah (Page 01h).
Mono I/O should report relevant sense and function information on Tip, and report
not supported on Ring.
Setting the function code to unsupported values will return a 0 when accessing the
Information Valid Bit in page 01 register 68h bit 5.
0
0
T/R
Tip or Ring selection Bit.This bit sets which jack conductor the sense value is
measured from. Software will program the corresponding the Ring/Tip selector bit
together with the I/O number in bits FC[3:0].
0 - Tip (Left)
1 - Ring (Right)
Table 22. Supported Jack and Mic Sense Functions
Function Code
I/O
Sense Capability
00h
Line_Out
Jack Sense
01h
Headphone_Out
Jack Sense
05h
Mic1
Mic Sense
06h
Mic2
Mic Sense



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