92hd75b Integrated Device Technology, 92hd75b Datasheet - Page 209

• Manufacturer Part Number: 92hd75b
• Description: Four Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
10.3. Pin Descriptions
VOL_DN/DMIC1/GPIO2
VOL_UP/DMIC0/GPIO1
PCBEEP/MONO
DVDD_CORE
SDI_CODEC
PORTE_R
PORTB_R
PORTC_R
Pin Name
DVDD_LV
SENSE_A
PORTE_L
PORTF_R
PORTB_L
PORTC_L
VREFFILT
DVDD_IO
PORTF_L
RESET#
BITCLK
AVDD1
AVSS1
DVSS
SYNC
SDO
Digital Vdd= 3.3V for I/O, PLL
Jack insertion detection Ports
Mic 0 Input/General Purpose
HDA Interface Voltage (1.5V
HD Audio Serial Data output
1.5V or 1.8V for core logic.
Analog Vdd=4.75V or 3.3V
Volume Control OR Digital
Input/General Purpose I/O
Low Voltage Digital Vdd =
(outbound stream), audio
Not used when internal
HD Audio Frame Sync
Analog Virtual Ground
HD Audio Serial Data
and internal regulator
SPDIF1/Digital Mic 1
Port F Output Right
HD Audio Bit Clock
Port E Input Right
Port F Output Left
Port B Input Right
Port C Input Right
regulator enabled
(inbound stream)
Mono / PC Beep
Port E Input Left
Port B Input Left
Port C Input Left
HD Audio Reset
Analog Ground
Digital Ground
Pin Function
or 3.3V)
A,B,C,D
module
I/O
Table 19. Pin descriptions
I/O(Digital)
I/O(Digital)
I/O(Digital)
I/O(Digital)
O(Analog)
O(Analog)
O(Analog)
209
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Analog)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
I(Digital)
I/O
Pull-down 50k with Digital
Pull-down 50k with Digital
Pull-up 50K GPIO/VOL or
Pull-up 50K GPIO/VOL or
Pull-up/Pull-down
Internal
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Mic
Mic
92HD75B
location
48 pin
10
11
12
13
14
15
16
17
21
22
23
24
25
26
27
1
2
3
4
5
7
8
9
6
location
32 Pin
NA
NA
NA
NA
PC AUDIO
29
10
12
13
14
15
16
17
18
19
11
7
8
9
1
2
3
4
5
6
V 1.0 01-09