92HD81 Datasheet, PDF (273/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Pin Name
CAP-
CAP+
VREG
AVDD2
PVDD
PORTD_+L
PORTD_-L
PVSS
PORTD_R-
PORTD_R+
PVDD
DMIC1/GPIO/
SPDIFOUT1
EAPD
SPDIFOUT0
Pin Function
Chargepump cap -
Chargepump cap +
Linear Regulator Output (2.5V) filter cap
Analog Supply for VREG
Analog Supply for Class-D amp
BTL amp Left +
BTL amp Left -
Analog Ground
BTL amp Right -
BTL amp Right +
Analog Supply for Class-D amp
I/O
O(Analog)
O(Analog)
O(Analog)
I(Analog)
I(Analog)
O(Analog)
O(Analog)
I(Analog)
O(Analog)
O(Analog)
I(Analog)
Digital Microphone input, SPDIF Output, or GPIO0 I/O(Digital)
EAPD
SPDIF0
Table 26. Pin Table
I/O (Open
Drain Digital)
O(Digital)
Internal
Pull-up/Pull-down
None
None
None
None
None
None
None
None
None
None
None
Pull-up 60K with GPIO
Pull-down 60K with DMIC
or SPDIFOUT
48 pin
location
35
36
37
38
39
40
41
42
43
44
45
46
Pull-up 60K
47
60K internal pull-down
48
IDT CONFIDENTIAL
273
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81