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PDF EMP202 Data sheet ( Hoja de datos )

Número de pieza EMP202
Descripción Single-Chip Dual-Channel AC97 Audio Codec
Fabricantes EMPIA Technology　
Logotipo EMPIA Technology Logotipo



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No Preview Available ! EMP202 Hoja de datos, Descripción, Manual

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EMP202
Single-Chip Dual-Channel AC’97
Audio Codec for PC Audio Systems
1. Features ....................................................................2
2. General Description .................................................2
3. Block Diagram ..........................................................3
4. Pin Assignments ......................................................4
5. Pin Description.........................................................5
5.1. Digital I/O Pins ....................................................5
5.2. Analog I/O Pins ...................................................5
5.3. Filter/References.................................................6
5.4. Power/Ground.....................................................6
5.5. Crystal Selection .................................................6
6. Registers...................................................................7
6.1. Mixer Registers ...................................................8
6.1.1. MX00 Reset .................................................8
6.1.2. MX02 Master Volume ..................................8
6.1.3. MX04 Headphone Volume...........................9
6.1.4. MX06 MONO_OUT Volume.........................9
6.1.5. MX0A PC BEEP Volume .............................9
6.1.6. MX0C PHONE Volume ..............................10
6.1.7. MX0E MIC Volume ....................................10
6.1.8. MX10 LINE_IN Volume..............................10
6.1.9. MX12 CD Volume ......................................11
6.1.10. MX14 VIDEO Volume ................................11
6.1.11. MX16 AUX Volume ....................................12
6.1.12. MX18 PCM_OUT Volume..........................12
6.1.13. MX1A Record Select..................................13
6.1.14. MX1C Record Gain....................................13
6.1.15. MX20 General Purpose Register ...............14
6.1.16. MX22 3D Control .......................................14
6.1.17. MX26 Powerdown Control/Status ..............15
6.1.18. MX28 Extended Audio ID...........................16
6.1.19. MX2A Extended Audio Status and Control 16
6.1.20. MX2C PCM Output Sample Rate ..............17
6.1.21. MX32 PCM Input Sample Rate..................17
6.1.22. MX3A S/PDIF Output Channel
Status and Control .................................................18
6.2. GPIO Registers.................................................18
6.2.1. MX3E Extended Modem Status and Control18
6.2.2. MX4C GPIO Pin Configuration ................. 19
6.2.3. MX4E GPIO Pin Polarity/Type ................. 19
6.2.4. MX50 GPIO Pin Sticky ............................. 19
6.2.5. MX50 GPIO Pin Status............................. 19
6.3. Extended Registers .......................................... 20
6.3.1. MX6A SPDIF Output Select ...................... 20
6.3.2. MX72 Antipop............................................ 20
6.3.3. MX74 EAPD Access.................................. 20
6.3.4. MX7C VENDOR ID1 ................................. 20
6.3.5. MX7E VENDOR ID2.................................. 21
7. Electrical Characteristics...................................... 21
7.1. DC Characteristics ........................................... 21
7.2. AC Timing Characteristics ................................ 21
7.2.1. Cold Reset ................................................ 21
7.2.2. Warm Reset .............................................. 22
7.2.3. AC-Link Clocks.......................................... 22
7.2.4. Data Output and Input Times .................... 23
7.2.5. Signal Rise and Fall Times........................ 23
7.2.6. AC-Link Low Power Mode Timing ............. 24
7.2.7. ATE Test Mode ......................................... 24
7.2.8. AC-Link IO Pin Capacitance and Loading . 24
7.2.9. BIT-CLK and SDATA-IN State .................. 24
8. Analog Performance Characteristics................... 25
9. Design Suggestions .............................................. 26
9.1. Clocking............................................................ 26
9.2. AC-Link............................................................. 26
9.3. Reset ................................................................ 26
9.4. CD Input ........................................................... 27
9.5. Odd Addressed Register Access...................... 27
9.6. Power-down Mode ........................................... 27
9.7. Test Mode ........................................................ 27
9.7.1. ATE In Circuit Test Mode .......................... 27
9.7.2. Vendor Specific Test Mode ....................... 27
10. Package Dimensions............................................. 28
1 8/7/2003

1 page




EMP202 pdf
Single-Chip Dual-Channel AC’97 Audio Codec
EMP202
www.DataSheet4U.com
EMPIA Technology
4. Pin Description
4.1.
Name
RESET#
Digital I/O Pins
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
GPIO1
ID1
ID0
EAPD
SPDIFOUT
I/O
I/O
I
I
I/O
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
TOTAL: 13 Pins
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
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
TOTAL: 19 Pins
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)
7/15/2002
5

5 Page





EMP202 arduino
Single-Chip Dual-Channel AC’97 Audio Codec
EMP202
www.DataSheet4U.com
EMPIA Technology
5.1.9.MX12 CD Volume
Default: 8808H
Each step in bits 44:0 correspond to 1.5dB in increase/decrease in volume for the right channel,
allowing 32 levels of volume, from 00000 to 11111. Each step in bits 12:8 correspond to 1.5dB in
increase/decrease in volume for the left channel, allowing 32 levels of volume, from 00000 to 11111.
Bit
15
Type
R/W
14:13
-
12:8
R/W
7:5 -
4:0 R/W
1) For CL/CR: 00h
08h
1Fh
Function
Mute Control:
0: Normal
1: Mute (- ‡dB)
Reserved
CD Left Volume: (CL[4:0]) in 1.5 dB steps
Reserved
CD Right Volume: (CR[4:0]) in 1.5 dB steps
+12 dB Gain
0dB gain
-34.5dB Gain
5.1.10. MX14 VIDEO Volume
Default: 8808H
Each step in bits 4:0 correspond to 1.5dB in increase/decrease in volume for the right channel,
allowing 32 levels of volume, from 00000 to 11111. Each step in bits 12:8 correspond to 1.5dB in
increase/decrease in volume for the left channel, allowing 32 levels of volume, from 00000 to 11111.
Bit
15
Type
R/W
14:13
-
12:8
R/W
7:5 -
4:0 R/W
1) For VL/VR: 00h
08h
1Fh
Function
Mute Control:
0: Normal
1: Mute (- ‡dB)
Reserved
Video Left Volume: (VL[4:0]) in 1.5 dB steps
Reserved
Video Right Volume: (VR[4:0]) in 1.5 dB steps
+12 dB Gain
0dB gain
-34.5dB Gain
7/15/2002
11

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