92HD98 Datasheet, PDF (267/273 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD98
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
8.0.1. 40QFN Pin Table
Pin Name
DVDD_CORE
DMIC_CLK/GPIO1
DMIC0/GPIO2
SDATA_OUT
BITCLK
SDATA_IN
DVDD
SYNC
RESET#
PCBEEP
SENSE_A
SENSE_B
PORTF_L
PORTF_R
PORTC_L
PORTC_R
VREFFILT
CAP2
VREFOUT-A
VREFOUT-C/GPIO4
AVSS1
AVDD1
PORTA_L (HP0)
PORTA_R (HP0)
AVSS
PORTB_L (HP1)
PORTB_R (HP1)
AVSS
V-
CAP-
CAP+
VREG
AVDD2
PVDD
Pin Function
I/O
1.8V Digital Core Regulator Filter Cap
O(Digital)
Digital Mic Clock Output/GPIO1
I/O(Digital)
Digital Mic 01 Input/GPIO2
I/O(Digital)
HD Audio Serial Data output from controller
I/O(Digital)
HD Audio Bit Clock
I(Digital)
HD Audio Serial Data Input to controller
O(Digital)
Digital Vdd= 3.3V
I(Digital)
HD Audio Frame Sync
I(Digital)
HD Audio Reset
I(Digital)
PC Beep
Jack insertion detection Ports A,B,C,
SPDIFOUT0
Jack insertion detection Port F, DMIC0,
SPDIFOUT1 (DMIC1)
I(Analog)
I(Analog)
I(Analog)
Port F Left
I/O(Analog)
Port F Right
I/O(Analog)
Port C Left
I/O(Analog)
Port C Right
I/O(Analog)
Analog Virtual Ground
O(Analog)
Reference filter Cap
O(Analog)
Reference Voltage out drive (intended for mic bias) O(Analog)
Reference Voltage out drive (intended for mic bias)
or general purpose I/O
I/O(Analog)
Analog Ground
I(Analog)
Analog Vdd=5.0V or 3.3V
I(Analog)
Port A Output Left
I/O(Analog)
Port A Output Right
I/O(Analog)
Analog Ground
I(Analog)
Port B Output Left
I/O(Analog)
Port B Output Right
I/O(Analog)
Analog Ground
I(Analog)
Negative analog supply
O(Analog)
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)
Table 32. 40QFN Pin Description
Internal
Pull-up/Pull-down
None
60K Pull-down
60K Pull-down
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
40 pin
location
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
IDT CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 1.1 1/12
92HD98