92HD91 Datasheet, PDF (12/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
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. 7 bi-directional ports, 2 are
headphone capable, support a wide variety of consumer desktop and mobile system use models.
• Port A supports
• Headphone Out
• Line Out
• Line Input
• Mic with 0/10/20/30 dB Boost
• Port B supports
• Capless Headphone Out
• Capless Line Out
• Port C
• Line In
• Line Out
• Mic with 0/10/20/30 dB Boost
• Port D supports
• BTL stereo output
• BTL (L+/L-) mono out
• Port E supports
• Line In
• Line Out
• Mic with 0/10/20/30 dB Boost
• Port F supports
• Line In
• Line Out
• Mic with 0/10/20/30 dB Boost
• Mono Out supports
• Line Out
Pins 48-QFN
28/29
31/32
19/20
40/41/43/44
15/16
17/18
25
48
46
4 (CLK=2)
Port
A
B
C
D
E
F
Mono Out
SPDIF_OUT0
DMIC1/SPDIFOUT1/
DMIC0
Input Output Headphone BTL
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Table 1. Port Functionality
Mic Bias
(Vref pin)
Yes
Input
boost amp
Yes
Yes
Yes
Yes
Yes
Yes
Yes
IDT™ CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD91