92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 289

• Manufacturer Part Number: 92hd81
• Description: Single Chip Pc Audio System
• Manufacturer: Integrated Device Technology

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
0.1
DVDD_CORE
DMIC_CLK/GPIO1
DVDD_IO
DMIC0/GPIO2
SDATA_OUT
BITCLK
DVSS
SDATA_IN
DVDD
SYNC
RESET#
PCBEEP
SENSE_A
SENSE_B
PORTE_L
PORTE_R
PORTF_L
PORTF_R
PORTC_L
PORTC_R
VREFFILT
CAP2
VREFOUT-A
VREFOUT-C
Mono_Out
AVSS1
AVDD1
PORTA_L (HP0)
PORTA_R (HP0)
AVSS
PORTB_L (HP1)
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Pin Name
Pin Table for 48-pin QFN
1.5V Digital Core Regulator Filter Cap
Digital Mic Clock Output/GPIO1
Reference Voltage (1.5V or 3.3V)
Digital Mic 01 Input/GPIO2
HD Audio Serial Data output from controller
HD Audio Bit Clock
Digital Ground
HD Audio Serial Data Input to controller
Digital Vdd= 3.3V
HD Audio Frame Sync
HD Audio Reset
PC Beep
Jack insertion detection Ports A,B,C,SPDIF0
Jack insertion detection Ports E,F, Mono, SPDIF1
Port E Left
Port E Right
Port F Left
Port F Right
Port C Left
Port C Right
Analog Virtual Ground
Reference filter Cap
Reference Voltage out drive (intended for mic bias)
Reference Voltage out drive (intended for mic bias)
Mono output
Analog Ground
Analog Vdd=5.0V or 3.3V
Port A Output Left
Port A Output Right
Analog Ground
Port B Output Left
Pin Function
Table 26. Pin Table
289
O(Digital)
I/O(Digital)
I(Digital)
I/O(Digital)
I/O(Digital)
I(Digital)
I(Digital)
O(Digital)
I(Digital)
I(Digital)
I(Digital)
I(Analog)
I(Analog)
I(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
I(Analog)
I(Analog)
I/O(Analog)
I/O(Analog)
I(Analog)
I/O(Analog)
I/O
92HD81
None
Pull-Up 50k with GPIO
or Pull-down 50k with
Digital Mic
None
Pull-Up 50k with GPIO
or Pull-down 50k with
Digital Mic
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
Pull-up/Pull-down
Internal
PC AUDIO
V 0.97 01/09
location
48 pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5
6
7
8
9