EMP202 Datasheet, PDF (6/28 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
4.3. Filter/References
Name
VREF
VREFOUT
AFILT1
Type
O
O
O
AFILT2
O
Pin No
27
28
29
30
Description
Reference voltage
Ref. voltage out with 5mA drive
ADC left anti-aliasing filter
capacitor
ADC right anti-aliasing filter
capacitor
Characteristic Definition
Analog output
Analog output
Analog output
Analog output
CAP2
O
32
ADC reference Cap
Analog output
NC
- 31,33,34 No Connect
TOTAL: 8 Pins
4.4. Power/Ground
Name
AVDD1
AVDD2
AVSS1
AVSS2
VDD1
Type
I
I
I
I
I
VDD2
I
VSS1
I
VSS2
I
Pin No
25
38
26
42
1
9
4
7
Description
Analog VDD (5.0V)
Analog VDD (5.0V)
Analog GND
Analog GND
Digital VDD (3.3V)
Digital VDD (3.3V)
Digital GND
Digital GND
Characteristic Definition
The minimum value is 3.0V, the maximum value is 5.5V
The minimum value is 3.0V, the maximum value is 5.5V
The minimum value is 3.0V (DVdd-0.3), the maximum value is
3.6V (DVdd+0.3)
The minimum value is 3.0V (DVdd-0.3), the maximum value is
3.6V (DVdd+0.3)
TOTAL: 8 Pins
4.5. Crystal Selection
XTL-OUT Status
XTAL connected
XTAL connected or open
XTAL connected or open
XTAL connected or open
XTAL shorted to GND
XTAL shorted to GND
XTAL shorted to GND
XTAL shorted to GND
ID1 Config
Float
Float
Pulldown
Pulldown
Float
Float
Pulldown
Pulldown
ID0 Config
Float
Pulldown
Float
Pulldown
Float
Pulldown
Float
Pulldown
Input Clock Source
24.576MHz XTAL
12.2888MHz BIT-CLK
12.2888MHz BIT-CLK
12.2888MHz BIT-CLK
14.31818MHz Source
27MHz Source
48MHz Source
24.576MHz Source
7/15/2002
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