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ALC221 Schematic ( PDF Datasheet ) - Realtek Microelectronics

Teilenummer ALC221
Beschreibung HIGH DEFINITION AUDIO CODEC
Hersteller Realtek Microelectronics
Logo Realtek Microelectronics Logo 




Gesamt 30 Seiten
ALC221 Datasheet, Funktion
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, Funktion
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 pdf, datenblatt
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





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