92HD73C 데이터 시트보기 (PDF) - Integrated Device Technology
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92HD73C Datasheet PDF : 252 Pages
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92HD73C
SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
PC AUDIO
AFG Power
State
D0
RESET#
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
D1-D2
D3
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
GPIO 3
Enable
Disabled
Disabled
Output
Enable
Disabled
Enabled
Converter
Dig Enable
-
Stream ID
-
Disabled
-
Disabled
Enabled
Enabled
0
Disabled
Enabled
Enabled
1-15
Disabled Disabled
-
-
Disabled
Enabled
-
-
Disabled
-
-
-
Table 5. SPDIF OUT 1 (Pin 40) Behavior
Pin Behavior
Hi-Z (internal pull-down enabled)
Active - Pin drives 0 (internal
pull-down enabled)
Active - Pin drives SPDIF-format,
but data is zeroes (internal
pull-down enabled)
Active - Pin drives SPDIFOut1
data (internal pull-down enabled)
Hi-Z (internal pull-down enabled)
Active - Pin drives 0 (internal
pull-down NA)
Hi-Z (internal pull-down enabled)
1.4.5. SPDIF Input
SPDIF IN can operate at 44.1 KHz, 48 KHz, 88.2 KHz or 96 KHz, and implements internal Jack
Sensing.
A sophisticated digital PLL allows automatic rate detection and accurate data recovery. The ability to
directly accept consumer SPDIF voltage levels eliminates the need for costly external receiver ICs.
Advanced features such as record-slot-select and SPDIF_IN routing to the DAC allow for simultane-
ous record and play.
1.4.6.
Analog Mixer
An analog mixer is available on the 92HD73C. The mixer supports independent gain (-34.5 to
+12dB in 1.5dB steps) on each input as well as independent mutes on each input. A master volume
follows mixing and provides gain from -46.5dB to 0dB in 1.5dB steps.
The following inputs are available:
• CD
• Analog PC_Beep
• Inport0_Mux
• Inport1_Mux
• Inport2_Mux
• Inport3_mux
16
SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
92HD73C
V 1.3 08/11
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