92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 16

• 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-D3
D0-D3
D0
D1-D2
Power
State
AFG
Asserted (Low)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
RESET#
-
Enabled -
Disabled Enabled Disabled -
Disabled
Disabled Disabled
Enable
GPIO0
-
Disabled Disabled -
-
Enable
Input
Table 4. SPDIF OUT 1 Behavior
-
-
Enabled
Disabled -
Enabled
Output
Enable
16
-
-
Disabled -
Enabled
Disabled -
Enabled
Converte
r Dig En
-
-
-
-
0
1-15
-
-
-
Strea
m ID
-
-
-
-
-
-
-
-
-
0
1
Keep
Alive
En
92HD81
Hi-Z (internal pull-down
enabled) immediately after
power on, otherwise the
previous state is retained.
Active - Pin reflects GPIO0
configuration (internal
pull-up enabled)
Pin functions as digital mic
input (internal pull-down
enabled)
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)
Active - Pin drives
SPDIFOut1 data (internal
pull-down NA)
Hi-Z (internal pull-down
enabled)
Active - Pin drives 0
(internal pull-down NA)
Active - Pin drives 0
(internal pull-down NA)
Active - Pin drives
SPDIF-format, but data is
zeroes (internal pull-down
NA)
Pin Behavior
PC AUDIO
V 0.97 01/09