92HD90 Datasheet, PDF (12/302 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD90
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 and supporting a wide vari-
ety 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 and Vref_Out
• Port B supports
• Capless Headphone Out
• Capless Line Out
• Port C supports (not available on ZA or ZB silicon)
• Line Out
• Line Input
• Mic with 0/10/20/30 dB Boost
• Port D supports
• BTL stereo output
• BTL (L+/L-) mono out
• Port E supports
• Headpone Out (not available on ZA or ZB silicon)
• Line Out (I2S)
• Port F supports
• Line In (I2S)
• 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
17
24
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 (no
Yes
VREF
out)
Yes
Yes
Yes I2S
Yes
Yes I2S
Yes
Yes
Yes
Yes
Yes
Table 1. Port Functionality
Mic Bias
(Vref pin)
Yes
Input
boost amp
Yes
Yes (no
Yes (no
VREF out) VREF out)
Yes
Yes
Yes
Note: Pins 15/16/18 are shared for I2S clocking. Port C is not available on ZA or ZB silicon. Headphone capability on Port E is not
available on ZA or ZB silicon.
IDT CONFIDENTIAL
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92HD90