alc888s Realtek Semiconductor Corporation, alc888s Datasheet - Page 18

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

6.3.
6.4.
7.1+2 Channel High Definition Audio Codec
w/Two Independent S/PDIF-OUT
Name
Name
FRONT-R
SURR–L
SURR–R
CENTER
LFE
SIDE–L
SIDE–R
Sense A
Sense B
AGPIO
Name
VREF
MIC1-VREFO-L
LINE1-VREFO
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO-R
PIN37-VREFO
JDREF
AVDD1
AVSS1
AVDD2
AVSS2
DVDD
DVSS
DVDD-IO
DVSS
Filter/Reference
Power/Ground
Type
IO
IO
IO
IO
O
O
O
O
I
I
Type
O
O
O
O
O
O
-
-
Type
I
I
I
I
I
I
I
I
Pin
33
36
39
41
43
44
45
46
13
34
Pin Description
29
30
31
32
37
40
27
28
Pin Description
25
26
38
42
1
4
9
7
Description
Front Output Right Channel
Surround Out Left Channel
Surround Out Right Channel
Center Output
Low Frequency Output
Side Output Left Channel
Side Output Right Channel
Jack Detect Pin l
Jack Detect Pin 2
Analog General Purpose I/O
2.5V Reference Voltage
Bias Voltage for MIC1 Jack
Bias Voltage for LINE1 Jack
Bias Voltage for MIC2 Jack
Bias Voltage for LINE2 Jack
Bias Voltage for MIC1 Jack
Bias Voltage for Software Select Jack
Reference Resistor for Jack Detection 20K, 1% external resistor to analog ground
Analog VDD
Analog GND
Analog VDD
Analog GND
Digital VDD
Digital GND
Digital VDD
Digital GND
Table 3.
Table 4.
Filter/Reference
Power/Ground
10
Characteristic Definition
Analog power for DACs and ADCs
Digital power for core
Digital ground for core
Analog power for mixer and amplifier
Analog ground for mixer and amplifier
Analog ground for DACs and ADCs
Digital IO power for HDA bus
Digital ground for HDA bus
Total: 8 Pins
Characteristic Definition
Analog output (JACK –D)
Analog output (JACK –A)
Analog output (JACK –A)
Analog output (JACK –G)
Analog output (JACK –G)
Analog output (JACK –H)
Analog output (JACK –H)
Jack resistor network input 1
Jack resistor network input 2
Input: Vt=(1/2)*AVDD1
Output: V
Total: 23 Pins
Characteristic Definition
Total: 8 Pins
10µF capacitor to analog ground
2.5V/3.75V reference voltage
2.5V/3.75V reference voltage
2.5V/3.75V reference voltage
2.5V/3.75V reference voltage
2.5V/3.75V reference voltage
2.5V/3.75V reference voltage
OH
=AVDD, V
ALC888S & ALC888SDD
Track ID: JATR-1076-21
OL
=AVSS1
Datasheet
Rev. 1.2