92HD87 Datasheet, PDF (199/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
9.2. 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
AVDD1
PORTA_L (HP0)
PORTA_R (HP0)
AVSS
PORTB_L (HP1)
PORTB_R (HP1)
AVSS
V-
CAP-
CAP+
VREG
AVDD2
PVDD
PORTD_+L
PORTD_-L
PVSS
Pin Function
I/O
1.5V Digital Core Regulator Filter Cap
O(Digital)
Digital Mic Clock Output/GPIO1
I/O(Digital)
Digital Mic 0 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
I(Analog)
Jack insertion detection Ports A,B,C
I(Analog)
Jack insertion detection Ports E,F
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 (for mic bias)
O(Analog)
Reference Voltage out drive (for mic bias)
O(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)
BTL amp Left +
O(Analog)
BTL amp Left -
O(Analog)
Analog Ground
I(Analog)
Table 24. Pinout List
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
None
None
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
35
36
IDT CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87