alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 16

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.
6.1. Digital I/O Pins
6.2. Analog I/O Pins
7.1 Channel High Definition Audio Codec
Name
RESET#
SYNC
BITCLK
SDATA-OUT
SDATA-IN
SPDIFI /
EAPD
SPDIFO
GPIO0
GPIO1
Name
LINE2-L
LINE2-R
MIC2-L
MIC2-R
CD-L
CD-G
CD-R
MIC1-L
MIC1-R
LINE1-L
LINE1-R
PCBEEP
FRONT-
OUT-L
FRONT-
OUT-R
SURR-OUT-L
Pin Descriptions
Type Pin No. Description
I/O
I/O
I/O
Type Pin No. Description
O
O
I
I
I
I
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
I
I
I
I
11
10
47
48
15
16
18
19
20
21
24
35
36
39
6
5
8
2
3
14
17
22
23
12
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
External PCBEEP input
Front output left channel
Front output right channel
Surround out left channel
H/W reset
Sample Sync (48kHz)
24MHz Bit clock input
Serial TDM data input
Serial TDM data output
S/PDIF Input/
Signal to power down ext. amp
S/PDIF output
General Purpose Input/Output 0
General Purpose Input/Output 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
6
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)
Analog input. 1.6Vrms of full scale input
Analog output (JACK -D)
Analog output (JACK -D)
Analog output (JACK -A)
Characteristic Definition
Schmitt trigger input, V
Schmitt trigger input, V
Schmitt trigger input, V
Schmitt trigger input, V
Schmitt output, V
V
Schmitt input (V
TTL output
TTL output has 12mA@75Ω driving capability
Schmitt input/output, V
Schmitt input/output, V
Total: 9 Pins
OL
=0.1*DVDD
Track ID: JATR-1076-21
IL
OH
=1.45V, V
=0.9*DVDD,
IL
IL
IL
IL
IL
IL
=1.45V, V
=1.45V, V
=1.0V, V
=1.0V, V
=1.0V, V
=1.0V, V
IH
=1.85V) /
ALC880 Series
IH
IH
IH
IH
IH
IH
=2.0V
=2.0V
=2.0V
=2.0V
=1.85V
=1.85V
Datasheet
Rev. 1.4