92HD91 Datasheet, PDF (292/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
8.0.1. 48QFN Pin Table
Pin Name
DVDD_CORE
DMIC_CLK/GPIO1
DVDD_IO
DMIC0/GPIO2
SDATA_OUT
BITCLK
DVSS
SDATA_IN
DVDD
SYNC
RESET#
PC_BEEP
SENSE_A
SENSE_B
PORTE_L
PORTE_R
PORTF_L
PORTF_R
PORTC_L
PORTC_R
VREFFILT
CAP2
VREFOUT-A
VREFOUT-C/GPIO4
Mono_Out
AVSS1
AVDD1
PORTA_L (HP0)
PORTA_R (HP0)
AVSS
PORTB_L (HP1)
PORTB_R (HP1)
AVSS
V-
Pin Function
I/O
1.5V Digital Core Regulator Filter Cap
O(Digital)
Digital Mic Clock Output/GPIO1
I/O(Digital)
Reference Voltage (1.5V or 3.3V)
I(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)
Digital Ground
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 Ports E,F, DMIC0,
SPDIFOUT1 (DMIC1)
I(Analog)
I(Analog)
I(Analog)
Port E Left
I/O(Analog)
Port E Right
I/O(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
O(Analog)
Mono output
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)
Table 33. 48QFN Pin Description
Internal
Pull-up/Pull-down
None
60K Pull-down
None
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
48 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.
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92HD91