92hd71b5x5prgxb3x8 Integrated Device Technology, 92hd71b5x5prgxb3x8 Datasheet - Page 21
92hd71b5x5prgxb3x8
Manufacturer Part Number
92hd71b5x5prgxb3x8
Description
Four Channel Hd Audio Codec, Low Power Optimized, 4-ports, 95db Snr
Manufacturer
Integrated Device Technology
Datasheet
1.92HD71B5X5PRGXB3X8.pdf
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4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
GPIO
92HD71B5
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
#
1
2
3
4
5
6
7
0
1.Default condition.
Pin
30
31
43
44
45
47
2
4
1.4.13. Analog PC-Beep
1.4.14. Headphone Drivers
1.4.15. GPIO
Supply
DVDD
DVDD
DVDD
DVDD
DVDD
DVDD
AVDD
AVDD
92HD71B5 does not support automatic routing of the PC_Beep pin to all outputs when the link is in
reset. Analog PC_BEEP is supported using a vendor specific verb.
This product implements a +3dBV output option on headphone capable ports. (HP output and line
output levels are defined as 1Vrms with an option to enable +3dBV FSOV using a vendor specific
verb.)
1.4.15.1. GPIO Pin mapping and shared functions.
1.4.15.2. Volume/Digital Microphone/GPIO Selection
To determine which function is actually enabled on pins2 and 4, the order of precedence is followed:
1) If the GPIOs are enabled, they override both Volume Control and Digital Mics
2) If the GPIOs are not enabled through the AFG, then at reset, the Volume control is enabled with
the weak pull-up.
3) If BIOS or other software application enables either Digital Microphones inputs through the Con-
figuration Default Register, the Volume is disconnected and the pull-ups are disconnected with the
weak pull-downs enabled.
SPDIF
In
SPDIF
YES
YES
Out
Table 10. GPIO Pin mapping and shared functions
GPI/O
YES
YES
YES
YES
YES
YES
YES
YES
GPI
GPO
21
VrefOut
YES
ADAT
DMIC
YES
YES
92HD71B5
VOL
YES
YES
50K<super
50K<super
(GPIO/VO
(GPIO/VO
script>1
script>1
(GPIO)
(GPIO)
50K
Pull
50K
50K
50K
50K
Up
L)
L)
1
PC AUDIO
(SPDIF/EA
V 1.0, 01/08
(SPDIF)
(DMIC)
(DMIC)
Down
50K1
50K1
Pull
50K
50K
PD)
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