92hd89d Integrated Device Technology, 92hd89d Datasheet - Page 18
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92hd89d
Manufacturer Part Number
92hd89d
Description
Eight Channel Hd Audio Codec Low Power Optimized For Ecr15b And Eup
Manufacturer
Integrated Device Technology
Datasheet
1.92HD89D.pdf
(365 pages)
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92HD89D
Eight channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
D0-D4
D0-D4
D0-D4
D0-D4
D0
D1-D2
D3
D3cold
D4
D5
Power
State
AFG
2.2.
Asserted
(Low)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
De-Asserted
(High)
-
RESET#
SPDIF Input
SPDIF IN can operate at 44.1 KHz, 48 KHz, or 96 KHz, and implements internal Jack Sensing (Port
presence Detect).
A sophisticated digital PLL allows automatic rate detection and accurate data recovery. The ability to
directly accept consumer SPDIF voltage levels eliminates the need for costly external receiver ICs.
Status flags from the input stream are updated only after the entire valid block has been received (or
at least when all bits of a particular status flag have been received) to ensure that software does not
read an invalid mixture of old and new data.
GPIO0
-
0
1
0
0
0
0
0
0
-
able
En
-
0
-
1
0
0
0
0
0
-
Input
able
En
-
0
-
0
1
1
1
1
1
-
able
Out
put
En
-
-
-
-
0
1
0
0
1
1
0
0
1
1
-
-
-
Keep
Alive
En
Table 7. SPDIF OUT 1 Behavior
-
-
-
-
0
1
0
1
0
1
0
1
0
1
0
1
-
-
-
Conv
erter
Dig
En
-
-
-
-
-
0
1-15
-
0
1-15
-
-
-
-
-
-
-
-
-
-
-
Strm
ID
18
EAPD Pin functions as EAPD
GPIO
SPDIF
IN
SPDIF
OUT
Mode
Pin
EAPD (internal pull-up enabled) immediately after
power on, otherwise the previous state is retained.
Active - Pin reflects GPIO0 configuration (internal
pull-down enabled)
Pin functions as SPDIF input (internal bias enabled)
Active - Pin drives 0
Active - Pin drives SPDIF-format, but data is zeroes
Active - Pin drives SPDIFOut1 data
Active - Pin drives SPDIF-format, but data is zeroes
Active - Pin drives SPDIF-format, but data is zeroes
Active - Pin drives SPDIFOut1 data
Active - Pin drives 0
Active - Pin drives 0
Active - Pin drives SPDIF-format, but data is zeroes
Active - Pin drives SPDIF-format, but data is zeroes
Hi-Z
Hi-Z
Active - Pin drives SPDIF-format, but data is zeroes
Active - Pin drives SPDIF-format, but data is zeroes
Hi-Z
Hi-Z
Hi-Z
Pin Behavior
V1.0 04/10
92HD89D
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