92HD81 Datasheet, PDF (15/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
AFG Power
State
RESET#
De-Asserted
(High)
De-Asserted
(High)
D0
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
D1-D2
De-Asserted
(High)
D3
De-Asserted
(High)
D3cold
-
D4
-
D5
-
Output
Enable
Disable
d
Converter
Dig
Enable
Stream
ID
-
-
Keep Alive
Enable
-
Enabled Disabled -
-
Enabled Enabled 0
-
Enabled Enabled 1-15 -
Disable
d
-
-
-
-
-
0
Enabled
Enabled -
1
-
-
Disable
d
-
-
0
-
1
Enabled Enabled -
1
-
-
-
-
-
-
-
-
-
-
-
-
Table 3. SPDIF OUT 0 Behavior
Pin Behavior
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)
AFG
Power
State
D0-D3
D0-D3
D0-D3
RESET#
Asserted (Low)
De-Asserted
(High)
De-Asserted
(High)
GPIO0
Enable
Input
Enable
Output
Enable
Converte Strea
r Dig En m ID
Keep
Alive
En
Pin Behavior
Hi-Z (internal pull-down
-
-
-
-
-
-
enabled) immediately after
power on, otherwise the
previous state is retained.
Active - Pin reflects GPIO0
Enabled -
-
-
-
-
configuration (internal
pull-up enabled)
Disabled Enabled Disabled -
Pin functions as digital mic
-
-
input (internal pull-down
enabled)
Table 4. SPDIF OUT 1 Behavior
IDT CONFIDENTIAL
15
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81