ALC892 데이터 시트보기 (PDF) - Realtek Semiconductor
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ALC892 Datasheet PDF : 90 Pages
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ALC892
Datasheet
6. Pin Descriptions
Name
DVDD
GPIO0/
DMIC-CLK/
SPDIF-OUT2
REGREF
GPIO1/
DMIC-DATA
SDATA-OUT
BITCLK
DVSS
SDATA-IN
DVDD-IO
SYNC
RESET#
BEEP
Sense A
LINE2-L
LINE2-R
MIC2-L
MIC2-R
CD-L
CD-GND
CD-R
MIC1-L
MIC1-R
Type
P
IO1
-
IO1
I
I
G
IO
P
I
I
I
-
IO
IO
IO
IO
I
I
I
IO
IO
Table 1. Pin Descriptions
Pin Description
Characteristic Definition
1 Digital Core Power
Digital VDD (3.3V)
2 General Purpose Input/Output/ Digital Input: Schmitt trigger, VIL =0.4×DVDD,
Digital MIC Clock Output/
VIH =0.6×DVDD, internal 50K pull up
Secondary SPDIF Out to HDMI Digital Output: VOL <0.1×DVDD, VOH >0.9×DVDD
Transmitter
6mA@75Ω Output driving
3 Reference for Integrated
Regulator
10µF capacitor to digital ground
4 General Purpose Input/Output/ Digital Input: Schmitt trigger, VIL =0.4×DVDD,
Digital MIC Stereo Channel
Input
VIH =0.6×DVDD, internal 50K pull up
Digital Output: VOL <0.1×DVDD, VOH >0.9×DVDD
5 Serial TDM Data Input
Digital Input: Schmitt trigger,
VIL =0.4×DVDD-IO, VIH =0.6×DVDD-IO
6 24MHz Clock
Digital Input: Schmitt trigger,
VIL =0.4×DVDD-IO, VIH =0.6×DVDD-IO
7 Digital Ground
Digital ground
8 Serial TDM Data Output
Digital Input: Schmitt trigger,
VIL =0.4×DVDD-IO, VIH =0.6×DVDD-IO
Digital Output:
VOL <0.1×DVDD-IO, VOH >0.9×DVDD-IO
9 Digital Power for HD Link
Scalable Digital VDD (1.5V~3.3V)
10 48KHz Frame SYNC Signal
Digital Input: Schmitt trigger,
VIL =0.4×DVDD-IO, VIH =0.6×DVDD-IO
11 H/W Reset Input
Digital Input: Schmitt trigger,
VIL =0.4×DVDD-IO, VIH =0.6×DVDD-IO
12 External PC Beep Input
Analog Input: 1.6Vrms of full-scale input
13 Jack Detect for Resistor Network Connector {5.1K, 10K, 20K, 39.2K} with 1% accuracy
14 Analog Input and Output with Analog I/O (PORT-E-L), default 2nd line input.
Multiple Function (Left)
Recommended to be re-tasking port at front panel
15 Analog Input and Output with Analog I/O (PORT-E-R), default 2nd line input.
Multiple Function (Right)
Recommended to be re-tasking port at front panel
16 Analog Input and Output with Analog I/O (PORT-F-L), default 2nd mic input.
Multiple Function (Left)
Recommended to be re-tasking port at front panel
17 Analog Input and Output with Analog I/O (PORT-F-R), default 2nd mic input.
Multiple Function (Right)
Recommended to be re-tasking port at front panel
18 CD Input Left Channel
Analog Input: 1.6Vrms of full-scale input
19 CD Input Reference Ground
Analog Input: 1.6Vrms of full-scale input
20 CD Input Right Channel
21 Analog Input and Output with
Multiple Function (Left)
22 Analog Input and Output with
Multiple Function (Right)
Analog Input: 1.6Vrms of full-scale input
Analog I/O (PORT-B-L), default 1st mic input.
Recommended to be microphone input at rear panel
Analog I/O (PORT-B-R), default 1st mic input.
Recommended to be microphone input at rear panel
7.1+2 Channel HD Audio Codec with Content Protection 8
Track ID: JATR-2265-11 Rev. 1.3
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