
IDT CONFIDENTIAL
282
V 0.987 11/09
2009 INTEGRATED DEVICE TECHNOLOGY, INC.
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
8.2.
Pin Table for 48-pin QFN
Pin Name
Pin Function
I/O
Internal
Pull-up/Pull-down
48 pin
location
DVDD_CORE
1.5V Digital Core Regulator Filter Cap
O(Digital)
None
1
DMIC_CLK/GPIO1
Digital Mic Clock Output/GPIO1
I/O(Digital)
Pull-Up 50k with GPIO
or Pull-down 50k with
Digital Mic
2
DVDD_IO
Reference Voltage (1.5V or 3.3V)
I(Digital)
None
3
DMIC0/GPIO2
Digital Mic 01 Input/GPIO2
I/O(Digital)
Pull-Up 50k with GPIO
or Pull-down 50k with
Digital Mic
4
SDATA_OUT
HD Audio Serial Data output from controller
I/O(Digital)
None
5
BITCLK
HD Audio Bit Clock
I(Digital)
None
6
DVSS
Digital Ground
I(Digital)
None
7
SDATA_IN
HD Audio Serial Data Input to controller
O(Digital)
None
8
DVDD
Digital Vdd= 3.3V
I(Digital)
None
9
SYNC
HD Audio Frame Sync
I(Digital)
None
10
RESET#
HD Audio Reset
I(Digital)
None
11
PCBEEP
PC Beep
I(Analog)
None
12
SENSE_A
Jack insertion detection Ports A,B,C,SPDIF0
I(Analog)
None
13
SENSE_B
Jack insertion detection Ports E,F, Mono, SPDIF1
I(Analog)
None
14
PORTE_L
Port E Left
I/O(Analog)
None
15
PORTE_R
Port E Right
I/O(Analog)
None
16
PORTF_L
Port F Left
I/O(Analog)
None
17
PORTF_R
Port F Right
I/O(Analog)
None
18
PORTC_L
Port C Left
I/O(Analog)
None
19
PORTC_R
Port C Right
I/O(Analog)
None
20
VREFFILT
Analog Virtual Ground
O(Analog)
None
21
CAP2
Reference filter Cap
O(Analog)
None
22
VREFOUT-A
Reference Voltage out drive (intended for mic bias)
O(Analog)
None
23
VREFOUT-C
Reference Voltage out drive (intended for mic bias)
O(Analog)
None
24
Mono_Out
Mono output
O(Analog)
None
25
AVSS1
Analog Ground
I(Analog)
None
26
AVDD1
Analog Vdd
I(Analog)
None
27
PORTA_L (HP0)
Port A Output Left
I/O(Analog)
None
28
PORTA_R (HP0)
Port A Output Right
I/O(Analog)
None
29
AVSS
Analog Ground
I(Analog)
None
30
PORTB_L (HP1)
Port B Output Left
I/O(Analog)
None
31
PORTB_R (HP1)
Port B Output Right
I/O(Analog)
None
32
AVSS
Analog Ground
I(Analog)
None
33
Table 26. Pin Table