92hd75b Integrated Device Technology, 92hd75b Datasheet - Page 14

• Manufacturer Part Number: 92hd75b
• Description: Four Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
D0-D3
D0-D3
AFG Power
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
AFG Power
State
State
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
Asserted (Low)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
De-Asserted (High)
RESET#
Asserted (Low)
all consumer audio gear and allows for convenient integration into home theater systems and media
center PCs.
A second independant SPDIF Output is provided as an option for WLP compliant HDMI and SPDIF
outputs. Its function is identical to the primary SPDIF output.
RESET#
Disabled
Disabled
Disabled
Disabled
Enabled
Enable
GPIO7
Output Enable
Table 2. SPDIF OUT 0 (Pin 48) Behavior
Table 3. SPDIF OUT 1 (Pin 45) Behavior
-
Disabled
Enabled
Enabled
Enabled
-
Disabled
Enabled
Enabled
Enabled
Output
Enable
-
-
Converter Dig
14
Disabled
Enabled
Enabled
Enable
-
-
Dig Enable
Converter
Disabled
Enabled
Enabled
-
-
-
Stream ID
Stream ID
1-15
0
-
1-15
-
-
0
-
-
-
-
92HD75B
Active - Pin drives SPDIF-format,
Active - Pin drives SPDIF-format,
Hi-Z (internal pull-down enabled)
Hi-Z (internal pull-down enabled)
data (internal pull-down enabled)
Hi-Z (internal pull-down enabled)
Hi-Z (internal pull-down enabled)
data (internal pull-down enabled)
retained until the rising edge of
retained until the rising edge of
otherwise the previous state is
Active - Pin drives SPDIFOut0
otherwise the previous state is
Active - Pin drives SPDIFOut1
configuration (internal pull-up
Active - Pin drives 0 (internal
Active - Pin drives 0 (internal
immediately after power on,
immediately after power on,
Active - Pin reflects GPIO7
but data is zeroes (internal
but data is zeroes (internal
pull-down enabled)
pull-down enabled)
pull-down enabled)
pull-down enabled)
Pin Behavior
Pin Behavior
RESET#
RESET#
enabled)
PC AUDIO
V 1.0 01-09