92HD91 Datasheet, PDF (293/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Pin Name
Pin Function
I/O
CAP-
CAP+
VREG
AVDD2
PVDD
PORTD_+L
PORTD_-L
PVSS
PORTD_-R
PORTD_+R
PVDD
DMIC1/GPIO/SPDIFOUT1
EAPD
SPDIFOUT0/GPIO3
Charge pump cap -
O(Analog)
Charge pump cap +
O(Analog)
Linear Regulator Output (2.5V) filter cap
O(Analog)
Analog Supply for VREG
I(Analog)
Analog Supply for Class-D amp
I(Analog)
BTL amp Left +
O(Analog)
BTL amp Left -
O(Analog)
Analog Ground
I(Analog)
BTL amp Right -
O(Analog)
BTL amp Right +
O(Analog)
Analog Supply for Class-D amp
I(Analog)
Digital Microphone input, SPDIF Output, or GPIO0 I/O(Digital)
EAPD
I/O (Digital)
SPDIF0
O(Digital)
Table 33. 48QFN Pin Description
Internal
Pull-up/Pull-down
None
None
None
None
None
None
None
None
None
None
None
60K Pull-down
60K Pull-up
60K pull-down
48 pin
location
35
36
37
38
39
40
41
42
43
44
45
46
47
48
IDT™ CONFIDENTIAL
293
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD91