92HD005 Datasheet, PDF (179/205 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
5. PINOUTS
5.1. Pin Assignment
PC AUDIO
DVDD_CORE
1
VOLUME_UP / DMIC_0 / GPIO1
2
DVDD_IO
3
VOLUME_DOWN / DMIC_1 / GPIO2
4
SDO
5
BITCLK
6
DVSS
7
SDI_CODEC
8
DVDD_CORE
9
SYNC
10
RESET#
11
PCBEEP
12
48 LQFP
36
PORTD_R
DVDD_CORE 1
35
PORTD_L
VOLUME_UP / DMIC_0 / GPIO1 2
34
SENSE_B
DVDD_IO 3
33
CAP2
VOLUME_DOWN / DMIC_1 / GPIO2 4
32
MONO_OUT
SDO 5
31
VREFOUT-E / GPIO4
BITCLK 6
30
VREFOUT-F / GPIO3
DVSS 7
29
VREFOUT-C
SDI_CODEC 8
28
VREFOUT-B
DVDD_CORE 9
27
VREFFILT
SYNC 10
26
AVSS1
RESET# 11
25
AVDD1
PCBEEP 12
48 QFN
36 _{PORTD_R}
35 _{PORTD_L}
34 _{SENSE_B}
33 _CAP2
32 _{MONO_OUT}
31 _{VREFOUT-E / GPIO4}
30 _{VREFOUT-F / GPIO3}
29 _VREFOUT-C
28 _VREFOUT-B
27 _VREFFILT
26 _AVSS1
25 _AVDD1
5.2. Pin Descriptions
Pin
Pin
No.
Name
1
DVDD_CORE
2
Volume Up /
DMIC0 / GPIO1
3
DVDD_IO
4
Volume Down /
DMIC1 / GPIO2
5
SDO
6
BITCLK
7
DVSS
8
SDI_CODEC
9
DVDD_CORE
Pin
Type
I(Digital)
I/O(Digital)
I(Digital)
I/O(Digital)
I/O(Digital)
I(Digital)
I(Digital)
O(Digital)
I(Digital)
Internal
Pull-up/
Pull-down
Pin Description
None
Digital Vdd = 3.3 V
50 KΩ pull-up
with Volume or GPIO
50 KΩ pull-down
with Digital Microphone
Volume Control or
Digital Microphone 0 Input or
General Purpose I/O
None
Reference Voltage (1.5 V or 3.3 V)
50 KΩ pull-up
with Volume or GPIO
50 KΩ pull-down
with Digital Microphone
Volume Control or
Digital Microphone 1 Input or
General Purpose I/O
None
HD Audio Serial Data output (inbound stream)
None
HD Audio Bit Clock
None
Digital Ground
None
HD Audio Serial Data (outbound stream), audio module
None
Digital Vdd = 3.3 V
IDT™
179
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06