92HD81 Datasheet, PDF (12/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
2. DETAILED DESCRIPTION
2.1. Port Functionality
Multi-function (Input / output) ports allow for the highest possible flexibility. 3 or 4 bi-directional ports,
2 headphone ports, and a high power BTL amplifier support a wide variety of consumer desktop and
mobile system use models.
The port capabilities are as follows
• Port A supports
• Headphone
• Line Out
• Line Input
• Mic with 0/10/20/30 dB Boost and Vref_Out
• Port B supports
• Capless Headphone Out
• Capless Line Out
• Port C supports
• Line Out (not supported on TA revision, supported on RA revision)
• Line In
• Mic with 0/10/20/30 dB boost and Vref_Out
• Port D supports
• BTL stereo output
• BTL (L+/L-) mono out
• Port E supports
• Line Out
• Line In
• Mic with 0/10/20/30 dB boost
• Port F supports
• Line Out
• Line In
• Mic with 0/10/20/30 dB boost
• Mono Out supports
• Line Out
Pins
Port
Input
Output Headphone
BTL
28/29
A
Yes
Yes
Yes
31/32
B
Yes
Yes
19/20
C
Yes
Yes (not
on TA
revision)
40/41/43/44
D
Yes
Yes
15/16
E
Yes
Yes
17/18
F
Yes
Yes
27
Mono Out
Yes
48
SPDIF_OUT0
Yes
46
SPDIF_OUT1
Yes
Yes
DMIC1 (CLK=2)
4 (CLK=2)
DMIC0
Yes
Table 1. Port Functionality
Mic Bias
(Vref pin)
Yes
Yes
Input
boost amp
Yes
Yes
Yes
Yes
Yes
Yes
IDT CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81