92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 15

• Manufacturer Part Number: 92hd81
• Description: Single Chip Pc Audio System
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
D0-D3
D0
D1-D2
D3
D3cold
D4
D5
AFG Power
State
Asserted (Low)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
-
-
-
Per the HDA015-B ECR, the SPDIF outputs support the ability to provide clocking information even
when no stream is selected for the converter, or when in a low power state. Also, as stated in the
ECR, the SPDIF output ports support port presence detect.
SPDIF Outputs are outlined in tables below.
RESET#
-
Disable
d
Enabled Disabled
Enabled Enabled
Enabled Enabled
Disable
d
Enabled
-
Disable
d
Enabled Enabled
-
-
-
Output
Enable
Table 3. SPDIF OUT 0 Behavior
-
-
-
-
Enabled
-
-
-
-
-
Converter
Enable
Dig
-
-
-
0
1-15
-
-
-
-
-
-
-
-
-
Stream
15
ID
-
-
-
-
-
-
0
1
0
1
1
-
-
-
Keep Alive
Enable
92HD81
Hi-Z (internal pull-down
enabled) immediately after
power on, otherwise the
previous state is retained.
Hi-Z (internal pull-up enabled)
Active - Pin drives 0 (internal
pull-down NA)
Active - Pin drives
SPDIF-format, but data is
zeroes (internal pull-down NA)
Active - Pin drives SPDIFOut0
data (internal pull-down NA)
Hi-Z (internal pull-down
enabled)
Active - Pin drives 0 (internal
pull-down NA)
Active - Pin drives
SPDIF-format, but data is
zeroes (internal pull-down NA)
Hi-Z (internal pull-down
enabled)
Hi-Z (internal pull-down
enabled)
Active - Pin drives
SPDIF-format, but data is
zeroes (internal pull-down NA)
Hi-Z (internal pull-down
enabled)
Hi-Z (port off)
Hi-Z (port off)
Pin Behavior
PC AUDIO
V 0.97 01/09