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Teilenummer | ALC221 |
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Beschreibung | HIGH DEFINITION AUDIO CODEC | |
Hersteller | Realtek Microelectronics | |
Logo | ||
Gesamt 30 Seiten ALC221
(P/N: ALC221-GR)
HIGH DEFINITION AUDIO CODEC WITH
MONO CLASS-D SPEAKER AMPLIFIER
DATASHEET
Version 0.65
25th May 2011
Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211. Fax: +886-3-577-6047
www.realtek.com
ALC221
Datasheet
List of Tables
TABLE 1. DIGITAL I/O PINS .........................................................................................................................................................8
TABLE 2. ANALOG I/O PINS.........................................................................................................................................................8
TABLE 3. FILTER/REFERENCE ......................................................................................................................................................9
TABLE 4. POWER/GROUND ..........................................................................................................................................................9
TABLE 5. LINK SIGNAL DEFINITIONS.........................................................................................................................................11
TABLE 6. HDA SIGNAL DEFINITIONS ........................................................................................................................................11
TABLE 7. DEFINED SAMPLE RATE AND TRANSMISSION RATE ....................................................................................................16
TABLE 8. 48KHZ VARIABLE RATE OF DELIVERY TIMING ...........................................................................................................16
TABLE 9. 44.1KHZ VARIABLE RATE OF DELIVERY TIMING ........................................................................................................17
TABLE 10. 40-BIT COMMANDS IN 4-BIT VERB FORMAT..............................................................................................................21
TABLE 11. 40-BIT COMMANDS IN 12-BIT VERB FORMAT............................................................................................................21
TABLE 12. SOLICITED RESPONSE FORMAT ..................................................................................................................................21
TABLE 13. UNSOLICITED RESPONSE FORMAT .............................................................................................................................21
TABLE 14. SYSTEM POWER STATE DEFINITIONS .........................................................................................................................23
TABLE 15. POWER CONTROLS IN NID=01H ................................................................................................................................24
TABLE 16. POWERED DOWN CONDITIONS...................................................................................................................................24
TABLE 17. VERB – GET PARAMETERS (VERB ID=F00H) .............................................................................................................25
TABLE 18. PARAMETER – VENDOR ID (VERB ID=F00H, PARAMETER ID=00H) ..........................................................................25
TABLE 19. PARAMETER – REVISION ID (VERB ID=F00H, PARAMETER ID=02H) ........................................................................25
TABLE 20. PARAMETER – SUBORDINATE NODE COUNT (VERB ID=F00H, PARAMETER ID=04H)................................................26
TABLE 21. PARAMETER – FUNCTION GROUP TYPE (VERB ID=F00H, PARAMETER ID=05H) .......................................................26
TABLE 22. PARAMETER – AUDIO FUNCTION CAPABILITIES (VERB ID=F00H, PARAMETER ID=08H) ..........................................26
TABLE 23. PARAMETER – AUDIO WIDGET CAPABILITIES (VERB ID=F00H, PARAMETER ID=09H)..............................................27
TABLE 24. PARAMETER – SUPPORTED PCM SIZE, RATES (VERB ID=F00H, PARAMETER ID=0AH) ............................................28
TABLE 25. PARAMETER – SUPPORTED STREAM FORMATS (VERB ID=F00H, PARAMETER ID=0BH)............................................29
TABLE 26. PARAMETER – PIN CAPABILITIES (VERB ID=F00H, PARAMETER ID=0CH) ................................................................29
TABLE 27. PARAMETER – AMPLIFIER CAPABILITIES (VERB ID=F00H, INPUT AMPLIFIER PARAMETER ID=0DH) ........................30
TABLE 28. PARAMETER – AMPLIFIER CAPABILITIES (VERB ID=F00H, OUTPUT AMPLIFIER PARAMETER ID=12H) .....................30
TABLE 29. PARAMETER – CONNECT LIST LENGTH (VERB ID=F00H, PARAMETER ID=0EH) .......................................................31
TABLE 30. PARAMETER – SUPPORTED POWER STATES (VERB ID=F00H, PARAMETER ID=0FH) .................................................31
TABLE 31. PARAMETER – PROCESSING CAPABILITIES (VERB ID=F00H, PARAMETER ID=10H)...................................................31
TABLE 32. PARAMETER – GPIO CAPABILITIES (VERB ID=F00H, PARAMETER ID=11H) .............................................................32
TABLE 33. PARAMETER – VOLUME KNOB CAPABILITIES (VERB ID=F00H, PARAMETER ID=13H) ..............................................32
TABLE 34. VERB – GET CONNECTION SELECT CONTROL (VERB ID=F01H) ................................................................................33
TABLE 35. VERB – SET CONNECTION SELECT (VERB ID=701H) .................................................................................................33
TABLE 36. VERB – GET CONNECTION LIST ENTRY (VERB ID=F02H) .........................................................................................34
TABLE 37. VERB – GET PROCESSING STATE (VERB ID=F03H)....................................................................................................36
TABLE 38. VERB – SET PROCESSING STATE (VERB ID=703H).....................................................................................................37
TABLE 39. VERB – GET COEFFICIENT INDEX (VERB ID=DH)......................................................................................................37
TABLE 40. VERB – SET COEFFICIENT INDEX (VERB ID=5H) .......................................................................................................38
TABLE 41. VERB – GET PROCESSING COEFFICIENT (VERB ID=CH) ............................................................................................38
TABLE 42. VERB – SET PROCESSING COEFFICIENT (VERB ID=4H)..............................................................................................38
TABLE 43. VERB – GET AMPLIFIER GAIN (VERB ID=BH) ...........................................................................................................39
TABLE 44. VERB – SET AMPLIFIER GAIN (VERB ID=3H) ............................................................................................................42
TABLE 45. VERB – GET CONVERTER FORMAT (VERB ID=AH) ....................................................................................................43
TABLE 46. VERB – SET CONVERTER FORMAT (VERB ID=2H) .....................................................................................................44
TABLE 47. VERB – GET POWER STATE (VERB ID=F05H) ............................................................................................................44
TABLE 48. VERB – SET POWER STATE (VERB ID=705H).............................................................................................................46
TABLE 49. VERB – GET CONVERTER STREAM, CHANNEL (VERB ID=F06H) ...............................................................................46
TABLE 50. VERB – SET CONVERTER STREAM, CHANNEL (VERB ID=706H) ................................................................................47
TABLE 51. VERB – GET PIN WIDGET CONTROL (VERB ID=F07H) ..............................................................................................47
High Definition Audio Codec with Embedded
Mono Class-D Speaker Amplifier
vi
Rev. 0.65
6 Page ALC221
Datasheet
2.2. Software Features
Meet Windows Logo Program audio requirements for Windows Vista and Windows 7
Support Linux driver based on kernel 2.6.0 and later version
EAX™ 1.0 & 2.0 compatible
Direct Sound 3D™ compatible
I3DL2 compatible
HRTF 3D Positional Audio (Windows XP only)
Multi-band software equalizer and dynamic range control (expander, compressor, and limiter) with
adjustable parameters
Intuitive Configuration Panel (Realtek Audio Manager) to enhance user experience
Enhanced Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS), and Beam
Forming (BF) technology for voice application
HDMI audio driver for Intel and AMD chipsets
Dolby® PCEE program™ (optional software feature)
DTS® CONNECT™, DTS® Surround Sensation UltraPC™ (optional software feature)
SRS® TruSurround HD, SRS® Premium SoundTM (optional software feature)
Fortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo
Cancellation) (optional software feature)
Creative® Host Audio program (optional software feature)
3. System Applications
Commercial desktop and laptop PCs
Net-book and MID (Mobile Internet Device) with High Definition Audio Controller
High Definition Audio Codec with Embedded
Mono Class-D Speaker Amplifier
4
Rev. 0.65
12 Page | ||
Seiten | Gesamt 30 Seiten | |
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