92HD71B7 데이터 시트보기 (PDF) - Integrated Device Technology
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92HD71B7 Datasheet PDF : 216 Pages
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92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
PC AUDIO
AFG Power
State
D0-D3
RESET#
Asserted (Low)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
Table 3. SPDIF OUT 0 (Pin 48) Behavior
Output Enable
Converter Dig
Enable
Stream ID
-
-
-
Disabled
Enabled
Enabled
Enabled
-
Disabled
Enabled
Enabled
-
-
0
1-15
Pin Behavior
Hi-Z (internal pull-down enabled)
immediately after power on,
otherwise the previous state is
retained until the rising edge of
RESET#
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 SPDIFOut0
data (internal pull-down enabled)
AFG Power
State
RESET#
Asserted (Low)
D0-D3
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
Table 4. SPDIF OUT 1 (Pin 45) Behavior
GPIO7
Enable
-
Enabled
Disabled
Disabled
Disabled
Disabled
Output
Enable
-
-
Disabled
Enabled
Enabled
Enabled
Converter
Dig Enable
-
-
-
Disabled
Enabled
Enabled
Stream ID
-
-
-
-
0
1-15
Pin Behavior
Hi-Z (internal pull-down enabled)
immediately after power on,
otherwise the previous state is
retained until the rising edge of
RESET#
Active - Pin reflects GPIO7
configuration (internal pull-up
enabled)
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)
1.4.6.
Mono Output
The MONO Output is connected to pin 32 and has an independent mute (see the Widget listing for
details). The MONO Output derives its input from the output of the summing node after the mono
mux. The following sources are available for the mono pin:
DAC0 Output: When enabled (by using port connection list), both DAC0 Outputs are summed
together.
IDT™ CONFIDENTIAL AND PROPRIETARY
14
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07
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