EMP202 Datasheet, PDF (5/28 Pages) List of Unclassifed Manufacturers – Single-Chip Dual-Channel AC’97 Audio Codec for PC Audio Systems

Single-Chip Dual-Channel AC’97 Audio Codec
EMP202
EMPIA Technology
4. Pin Description
4.1. Digital I/O Pins
Name
RESET#
Type Pin No
Description
I
11 AC'97 master H/W reset
XTL-IN
I
2
Crystal input pad (24.576Mhz)
XTL-OUT
O
3
Crystal output pad
SYNC
I
10 Sample Sync (48Khz)
BIT-CLK
IO
6
Bit clock output (12.288Mhz)
SDATA-OUT I
5
Serial TDM AC’97 output
SDATA-IN
O
8
Serial TDM AC’97 input
GPIO0
I/O
GPIO1
I/O
ID1
I
ID0
I
EAPD
I/O
SPDIFOUT
O
43 General Purpose Input/Output
44 General Purpose Input/Output
46
XTAL Elim Select
45 XTAL Elim Select
47 External Amplifier power down
control/GPIO
48 S/PDIF output
Characteristic Definition
Schmitt input, VL=0.3Vdd,
VH=0.4Vdd
Crystal input pad
Crystal output pad
Schmitt input, VL=0.3Vdd,
VH=0.4Vdd
CMOS input/output, Vt=0.35Vdd,
internal pull low by a 100K resistor.
Schmitt input, VL=0.3Vdd,
VH=0.4Vdd
CMOS output, internal pull low by a
100K resistor.
Digital input/output
Digital input/output
Digital input
Digital input
Digital output
Digital output
TOTAL: 13 Pins
4.2. Analog I/O Pins
Name
PC-BEEP
PHONE
AUX-L
AUX-R
VIDEO-L
VIDEO-R
CD-L
CD-GND
CD-R
MIC1
MIC2
LINE-L
LINE-R
LINE-OUT-L
LINE-OUT-R
MONO-OUT
HP-OUT-L
HP-COMM
HP-OUT-R
Type
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
Pin No
12
13
14
15
16
17
18
19
20
21
22
23
24
35
36
37
39
40
41
Description
PC speaker input
Speaker phone input
AUX Left channel
AUX Right channel
Video audio Left channel
Video audio Right channel
CD audio Left channel
CD audio analog GND
CD audio Right channel
First Mic input
Second Mic input
Line-In Left channel
Line-In Right channel
Line-Out Left channel
Line-Out Right channel
Speaker Phone output
Headphone Out Left channel
Headphone Ground Return
Headphone Out Right channel
Characteristic Definition
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog input (1Vrms)
Analog output (1Vrms ~ 1.7Vrms)
Analog output (1Vrms ~ 1.7Vrms)
Analog output (1Vrms)
Analog output (1Vrms)
Analog output (1Vrms)
Analog output (1Vrms)
TOTAL: 19 Pins
7/15/2002
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