alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 15

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alc885-gr

Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ALC885-GR
Manufacturer:
REALTEK/
Quantity:
6 000
6.
6.1. Digital I/O Pins
6.2. Analog I/O Pins
7.1+2 Channel High-Performance HDA Codec
With Content Protection
SPDIF-IN/
EAPD*
Name
RESET#
SYNC
BITCLK
SDATA-OUT
SDATA-IN
SPDIF-OUT*
GPIO0 /
DMIC-CLK
GPIO1 /
DMIC-DATA
*
*
Name
LINE2-L
LINE2-R
MIC2-L
MIC2-R
CD-L
CD-G
CD-R
MIC1-L
MIC1-R
LINE1-L
LINE1-R
1
2
: Pin 47 can be configured to support secondary digital mic input (DMIC-R). It is supported via a customized
: Pin 48 can output ADAT digital audio output. The function is enabled via a customized Realtek driver.
Pin Descriptions
1
Realtek driver
2
Type Pin Description
I/O
I/O
I/O
Type Pin Description
O
O
I
I
I
I
IO
IO
IO
IO
IO
IO
IO
IO
I
I
I
11
10
47 Digital S/PDIF Input /
48 Digital S/PDIF output and ADAT
5
6
8
2
3
20
14
15
16
17
18
19
21
22
23
24
Signal to power down ext. amp /
Output
H/W reset
Sample Sync (48kHz)
24MHz Bit clock input
Serial TDM data input
Serial TDM data output
General Purpose Input/Output 0
Clock output to digital MIC
General Purpose Input/Output 1
Serial data in from digital MIC
2
2
2
left channel
2
right channel
CD input left channel
CD input reference ground
CD input right channel
1
left channel
1
right channel
1
1
nd
nd
nd
nd
st
st
st
st
stereo microphone input
stereo microphone input
line input left channel
line input right channel
line input left channel
line input right channel
stereo microphone input
stereo microphone input
Table 2.
Table 1.
Analog I/O Pins
Digital I/O Pins
7
Characteristic Definition
Analog input/output, default is input (JACK-E)
Analog input/output, default is input (JACK -E)
Analog input/output, default is input (JACK -F)
Analog input/output, default is input (JACK -F)
Analog input, 1.6Vrms of full scale input
Analog input, 1.6Vrms of full scale input
Analog input, 1.6Vrms of full scale input
Analog input/output, default is input (JACK -B)
Analog input/output, default is input (JACK -B)
Analog input/output, default is input (JACK -C)
Analog input/output, default is input (JACK -C)
Characteristic Definition
V
V
V
V
V
V
V
Output has 12mA@75Ω driving capability
V
Input: Vt=(2/3)*DVDD
Output: V
Input: Vt=(2/3)*DVDD
Output: V
Total: 9 Pins
t
t
t
t
t
IL
OH
OH
=0.5*DVDD
=0.5*DVDD
=0.5*DVDD
=0.5*DVDDIO
=0.5*DVDDIO, V
=1.45V, V
=DVDD, V
=DVDD, V
OH
OH
=DVDD, V
=DVDD, V
IH
=1.85V /
OL
OL
=DVSS
=DVSS
OH
=DVDDIO, V
OL
OL
=DVSS
=DVSS
ALC885 Series
OL
=DVSS
Datasheet
Rev. 1.1