92hd75b Integrated Device Technology, 92hd75b Datasheet - Page 210

• 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
GPIO0/EAPD/SPDIF-OUT
VREFOUT-E / GPIO4
SPDIF-OUT1/GPIO7
PORTA_R (HP)
PORTA_L (HP)
SENSE_B/NC
S/PDIF-OUT0
VREFOUT-B
VREFOUT-C
PORT-D_R
DMIC_CLK
PORT-D_L
Pin Name
AVDD2
AVSS2
GPIO3
GPIO5
GPIO6
CAP2
0or1
NC
NC
Jack insertion detection Ports
converter or General Purpose
General Purpose I/O,EAPD,
Reference Voltage out drive
Reference Voltage out drive
Reference Voltage out drive
Output from second SPDIF
(intended for mic bias) for
(intended for mic bias) for
(intended for mic bias) for
Analog Vdd=5.0V or 3.3V
second SPDIF converter
Digital Mic Ouput Clock
Output from first SPDIF
SPDIF Out from first or
Port E / Analog GPIO4
converter(50K internal
General Purpose I/O
General Purpose I/O
ADC reference Cap
Port D Output Right
Port A Output Right
Port D Output Left
Port A Output Left
Analog Ground
Analog GPIO3
Pin Function
pull-down
Port B
Port C
E, F
I/O
Table 19. Pin descriptions
I/O(Analog)
I/O(Analog)
I/O(Digital)
I/O(Digital)
I/O(Digital)
I/O(Digital)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
210
O(Digital)
O(Digital)
I(Analog)
I(Analog)
I(Analog)
I/O
Pull-Up 50k with GPIO
Pull-down 50K (SPDIF)
50K internal pull-down
Pull-up 50K (GPIO)
Pull-up/Pull-down
Pull-down 50K
Pull-down 50k
Pull-up 50K
Pull-up 50K
Internal
None
None
None
None
None
None
None
None
None
None
None
None
None
92HD75B
location
48 pin
28
29
30
31
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
location
32 Pin
NA
NA
NA
NA
NA
NA
NA
NA
PC AUDIO
20
21
22
23
24
25
26
28
30
31
32
27
V 1.0 01-09