alc888s Realtek Semiconductor Corporation, alc888s Datasheet - Page 17

• Manufacturer Part Number: alc888s
• Description: 7.1+2 Channel High Definition Audio Codec With Two Independent S/pdif-out
• Manufacturer: Realtek Semiconductor Corporation

6.
6.1.
6.2.
7.1+2 Channel High Definition Audio Codec
w/Two Independent S/PDIF-OUT
Name
RESET#
SYNC
BITCLK
SDATA-OUT
SDATA-IN
SPDIFI /
EAPD
SPDIFO
GPIO0 /
DMIC-CLK /
SPDIFO2
GPIO1 /
DMIC-DATA
Name
LINE2-L
LINE2-R
MIC2-L
MIC2-R
CD-L
CD-GND
CD-R
MIC1-L
MIC1-R
LINE1-L
LINE1-R
PCBEEP
FRONT-L
Pin Descriptions
Digital I/O Pins
Analog I/O Pins
Type
Type
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
O
O
I
I
I
I
I
I
I
I
Pin
Pin
47
48
20
11
10
14
15
16
17
18
19
21
22
23
24
12
35
6
5
8
2
3
Description
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
Clock output to digital MIC
Secondary S/PDIF output
General Purpose Input/Output 1
Serial data from digital MIC
Description
2
2
2
Channel
2
Right Channel
CD Input Left Channel
CD Input Reference Ground
CD Input Right Channel
1
Channel
1
Right Channel
1
1
External PCBEEP Input
Front Output Left Channel
nd
nd
nd
nd
st
st
st
st
Stereo Microphone Input Left
Stereo Microphone Input
Line Input Left Channel
Line Input Right Channel
Line Input Left Channel
Line Input Right Channel
Stereo Microphone Input Left
Stereo Microphone Input
Table 2.
Table 1.
Analog I/O Pins
Digital I/O Pins
9
Analog input, 1.6Vrms of full scale input
Characteristic Definition
V
V
V
V
V
V
V
Output has 12mA@75Ω driving capability
V
Input: Vt=(2/3)*DVDD
Output: V
Output: V
Input: Vt=(2/3)*DVDD
Output: V
Total: 9 Pins
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/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)
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
OH
=DVDD, V
=DVDD, V
=DVDD, V
ALC888S & ALC888SDD
IH
Track ID: JATR-1076-21
=1.85V /
OL
OL
=DVSS
=DVSS
OH
=DVDDIO, V
OL
OL
OL
=DVSS
=DVSS
=DVSS
Datasheet
OL
=DVSS
Rev. 1.2