EMP202 Datasheet, PDF (1/28 Pages) List of Unclassifed Manufacturers – Single-Chip Dual-Channel AC’97 Audio Codec for PC Audio Systems

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
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8/7/2003