IDT92HDW74C15PRGXC1X8 IDT, Integrated Device Technology Inc, IDT92HDW74C15PRGXC1X8 Datasheet - Page 29
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IDT92HDW74C15PRGXC1X8
Manufacturer Part Number
IDT92HDW74C15PRGXC1X8
Description
IC AUDIO CODEC HD 6CH 48-TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Audio Codec, HDr
Datasheet
1.IDT92HDW74C15PRGXB2X8.pdf
(252 pages)
Specifications of IDT92HDW74C15PRGXC1X8
Resolution (bits)
24 b
Number Of Adcs / Dacs
2 / 3
Sigma Delta
No
S/n Ratio, Adcs / Dacs (db) Typ
86 / 90
Dynamic Range, Adcs / Dacs (db) Typ
86 / 90
Voltage - Supply, Analog
3.14 V ~ 3.47 V; 3.8 V ~ 4.2 V; 4.28 V ~ 4.73 V; 4.75 V ~ 5.25 V
Voltage - Supply, Digital
3.14 V ~ 3.47 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-TQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
92HDW74C15PRGXC1X8
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SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
92HDW74C1
SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
GPIO
#
0
1
2
3
4
5
6
7
1.Default condition.
Pin
47
40
29
30
31
37
1.4.16. GPIO
2
4
Supply
DVDD
DVDD
DVDD
AVDD
AVDD
AVDD
AVDD
AVDD
1.4.16.1. GPIO Pin mapping and shared functions.
1.4.16.2. Volume/Digital Microphone/GPIO Selection
There are 3 functions available on pins 2 and 4. To determine which function is actually enabled on
the 2 pins, the order of precedence is followed:
1. If the GPIOs are enabled, they override both Volume Control and Digital Mics
2. If the GPIOs are not enabled through the AFG, then at reset, the Volume control is enabled with
3. If BIOS or other software application enables either Digital Microphones inputs through the Con-
1.4.16.3. VRefOut/GPIO Selection
Two functions are available on pins 29, 31, and 37. To determine which function is actually enabled,
the order of precedence is followed:
1. If the GPIOx function is enabled, it overrides VRefOut-X
2. If the GPIO function is not enabled through the AFG, then the VrefOut function is enabled and in
3. If using a VrefOut pin as GPIO, make sure to incorporate a 10K ohm external pull-up to AVDD to
the weak pull-up.
figuration Default Register, the Volume is disconnected and the pull-ups are disconnected with
the weak pull-downs enabled.
its default state.
prevent the pin from floating in GPI mode and to allow proper operation in open-drain GPO
mode.
SPDIF
YES
In
SPDIF
YES
Out
GPI/O
YES
YES
YES
YES
YES
YES
YES
YES
Table 13. GPIO Pin mapping
GPI
29
GPO
VrefOut
YES
YES
YES
DMIC
CLK
IN
IN
92HDW74C1
VOL
YES
YES
(GPIO/VOL)
(GPIO/VOL)
(GPIO)
(GPIO)
50K
Pull
50K
50K
50K
50K
Up
1
(SPDIF/EA
(SPDIF)
(DMIC)
(DMIC)
(DMIC)
PC AUDIO
Down
50K
50K
Pull
PD)
50K
50K
50K
V 1.0 03/08
1
1
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