alc272 Realtek Semiconductor Corporation, alc272 Datasheet
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... ALC272 (PN: ALC272-GR) 4 CHANNEL HIGH DEFINITION AUDIO CODEC DATASHEET 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.tw Rev. 1.0 21 May 2008 Track ID: JATR-1076-21 ...
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... USING THIS DOCUMENT This document is intended for the hardware and software engineer’s general information on the Realtek ALC272 Audio Codec IC. Though every effort has been made to ensure that this document is current and accurate, more information may have become available subsequent to the production of this guide. In that event, please contact your Realtek representative for additional information that may help in the development process ...
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... Parameter – Supported Stream Formats (Verb ID=F00h, Parameter ID=0Bh) .................................................30 8.1.9. Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch) ..................................................................30 8.1.10. Parameter– Amplifier Capabilities (Verb ID=F00h, Input Amplifier Parameter ID=0Dh) .........................31 4 Channel High Definition Audio Codec Table of Contents ................................................................................................................................................2 I ....................................................................................................................6 DENTIFICATION C .............................................................................................................................8 ONNECT .......................................................................................................................................18 ..................................................................................................................................20 ORMAT (V ID=F00 ).............................................................................................................26 ERB H iii ALC272 Datasheet Track ID: JATR-1076-21 Rev. 1.0 ...
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... H /F1E /F1F )......................................................... ID=71C /71D /71E /71F )................................. ID=F19 ) .......................................................59 ERB H (V ID=719 ) ........................................................59 ERB ID= F0D , F0E )..........................................60 ERB ID=70D , 70E )............................................61 ERB H H /F23 ) .................................................................. /720 [31:24]/[23:16]//[15:8]/[7:0]) ............... FOR , 70C S ).........................................................63 H FOR ET Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... NBOARD RONT ANEL 10. OWER UPPLY AND NALOG 10.4. O SPDIF O PTIONAL UTPUT 11. MECHANICAL DIMENSIONS.................................................................................................................................75 12. ORDERING INFORMATION ...................................................................................................................................76 4 Channel High Definition Audio Codec ............................................................................................................................................ EADER ONNECTION AND RONT .....................................................................................73 NPUT UTPUT ONNECTION ......................................................................................................................................... I/O ..................................................................72 ANEL Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... ARAMETER H ID=05 ) ...................................................... ID=08 )..........................................27 H ARAMETER ID=09 ).............................................28 H ARAMETER ID=0A ) ...........................................29 H ARAMETER ID=0B )...........................................30 H ARAMETER H ID=0C ) ............................................................... ID=0D NPUT MPLIFIER ARAMETER A P ID=12 UTPUT MPLIFIER ARAMETER ID=0E ) ...................................................... ID=0F ) ................................................32 ARAMETER H ID=10 )..................................................33 ARAMETER H ID=11 ) ............................................................ ID=13 ) .............................................33 H ARAMETER H ) ................................................................................ ...............................................................................49 H Track ID: JATR-1076-21 ALC272 Datasheet )....................... ....................31 H Rev. 1.0 ...
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... H ) ........................................................................... ............................................................................52 H /F1E /F1F ) ......................................................... ID=71C /71D /71E /71F )................................. ID=F19 ) .........................................................59 ERB H (V ID=719 )..........................................................59 ERB ID= F0D , F0E ) ..........................................60 ERB ID=70D , 70E ) ............................................61 ERB H H /F23 ) ................................................................... /720 [31:24]/[23:16]//[15:8]/[7:0])................ FOR Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Channel High Definition Audio Codec List of Figures ..............................................................................................................................................11 ...........................................................................................................................................12 SYNC...............................................................................................................12 SDO ......................................................................................................................13 ULTIPLE S ..............................................................................................................................................14 D ...................................................................................................................................14 ATA O M SDI ....................................................................................................15 VER ULTIPLE S S ...........................................................................................................................20 EQUENCE ).............................................................................................24 VENT AKE P VENT T ................................................................................................................67 IMING EADER ONNECTION AND RONT C .....................................................................................................................73 ONNECTION .......................................................................................................................................74 viii P I/O .................................................................72 ANEL Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... The ALC272 supports host audio controller from the Intel ICH series chipset, and also from any other HDA compatible audio controller. With software utilities like Karaoke mode, environment emulation, multi-band software equalizer, dynamic range compressor and extender, optional Dolby ® ...
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... Supports EAPD (External Amplifier Power Down) control for external amplifier Supports anti-pop mode when analog power AVDD is on and digital power is off Supports 1.5V~3.3V scalable I/O for HD Audio link 48-pin LQFP ‘Green’ package 4 Channel High Definition Audio Codec 2 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Smart multiple streaming operation HDMI audio driver for AMD platform Dolby® PCEE program™ (optional software feature) DTS® CONNECT™ (optional software feature) SRS® TrueSurround HD (optional software feature) 4 Channel High Definition Audio Codec 3 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Fortemedia® SAM™ technology for voice processing (Beam Forming and Acoustic Echo Cancellation) (optional software feature) 3. System Applications Desktop and mobile PCs Ultra mobile devices 4 Channel High Definition Audio Codec 4 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Block Diagram 4 Channel High Definition Audio Codec Figure 1. Block Diagram 5 ALC272 Datasheet Track ID: JATR-1076-21 Rev. 1.0 ...
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... ALC272 LLLLLLL TXXXVS Figure 2. Pin Assignments 6 ALC272 Datasheet LINE1 PORT - LINE1 PORT - MIC1 PORT - PORT MIC1 C2- VRE FO LI NE1 ...
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... Analog input/output, default is input (PORT-B-L) Analog input/output, default is input (PORT-B-R) Analog input/output, default is input (PORT-C-L) Analog input/output, default is input (PORT-C-R) Analog input, 1.6Vrms of full-scale input Analog output (PORT-I-R) Analog output (PORT-I-L) Analog output (PORT-D-L) Analog output (PORT-D-R) Track ID: JATR-1076-21 ALC272 Datasheet =DVSS / OL =DVSS / OL Rev. 1.0 ...
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... Digital GND Digital ground for HDA link Total: 8 Pins 8 Characteristic Definition Analog output (PORT-H) Analog output (PORT-A-L) Analog output (PORT-A-R) Jack resistor network (5.1k, 10k, 20K, 39.2k) with 1% accuracy Jack resistor network (5.1k, 10k, 20K, 39.2k) with 1% accuracy Total: 18 Pins Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... HDA controller. The input and output streams, including command and PCM data, are isochronous with a 48kHz frame rate. Figure 3 shows the basic concept of the HDA link protocol. 4 Channel High Definition Audio Codec Figure 3. HDA Link Protocol 9 ALC272 Datasheet Track ID: JATR-1076-21 Rev. 1.0 ...
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... Start of Frame 999 998 997 996 995 994 993 992 991 990 499 Codec samples SDO at both rising and falling edge of BCLK Figure 4. Bit Timing 10 498 497 496 495 494 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... The multiple SDOs and multiple SDIs are used to expand the transmission rate between controller and codecs. Section 7.2 Frame Composition, page 12, describes the detailed outbound and inbound stream compositions for single and multiple SDOs/SDIs. The connections shown in Figure 5 can be implemented concurrently in an HDA system. The ALC272 is designed to receive a single SDO stream. SDI14 ...
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... Preamble Stream=10 Data of Stream 10 (4-Bit) (4-Bit Previous Stream SDO Stream Tag is Indicated in SYNC 12 Next Frame Stream 'X' Tag (Here ' Stream 'X' Data Padded at the Null Field end of Frame time of samples, Block2 th Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... SDO1 is for transmitting a striped stream. The codec does not support multiple SDOs connected to SDO0. To guarantee all codecs can determine their corresponding stream, the command stream is not striped always transmitted on SDO0, and copied on SDO1. 4 Channel High Definition Audio Codec Figure 8. Striped Stream on Multiple SDOs 13 ALC272 Datasheet Track ID: JATR-1076-21 Rev. 1.0 ...
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... n-1 A Complete Stream Figure 10. SDI Stream Tag and Data 14 Next Frame Stream 'X' 0s Null Field Padded at the end of Frame (N+1) th Null Pad n-2 0 (Data Length in Bytes *8)-Bit Track ID: JATR-1076-21 ALC272 Datasheet } time of samples th Next Stream 0 Rev. 1.0 ...
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... The appropriate ratio between 44.1kHz and 48kHz is 147/160. Meaning 147 sample blocks are transmitted every 160 frames. 4 Channel High Definition Audio Codec Stream 'A' Tag A Data A Stream 'X' Stream 'B' Tag B Data B Stream and Y are independent and have separate IDs 15 Stream ' Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... One sample block is transmitted in every 4 frames One sample block is transmitted in every 3 frames One sample block is transmitted in every 6 frames One sample block is transmitted in each frames Two sample blocks are transmitted in each frame Four sample blocks are transmitted in each frame 16 ALC272 Datasheet Track ID: JATR-1076-21 Rev. 1.0 ...
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... Channel High Definition Audio Codec 44.1kHz Variable Rate of Delivery Timing -11 -12 -11 -11 -12 -11 -11 -11 - (repeat -11 -12 -11 -11 -12 -11 -11 -11 - (repeat) 17 ALC272 Datasheet Track ID: JATR-1076-21 Rev. 1.0 ...
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... The controller drives SYNC and all SDOs to low. Codecs also drive SDIs to low The controller asserts the RESET# signal to low, and enters the ‘Link Reset’ state All link signals driven by controller and codecs should be tri-state by internal pull-low resistors 4 Channel High Definition Audio Codec 18 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... After the target codec completes its reset operation, an initialization sequence is requested. In the ALC272, the extend power state of conforming to Intel low power ECR the function reset could not initialize the register setting. Host SW needs to send “two” function reset consecutively to reset all settings ...
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... Figure 13. Codec Initialization Sequence Bit [27:20] Node ID Bit [27:20] Node ID 20 Datasheet Address Frame Normal Operation (Non-48kHz Frame) Frame SYNC 6 Response SD14 7 8 Codec Drives SDIx Controller Turnaround ( 477 BCLK Max.) Bit [19:16] Bit [15:0] Verb ID Payload Bit [19:8] Bit [7:0] Verb ID Payload Track ID: JATR-1076-21 ALC272 Rev. 1.0 ...
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... Config Default, Byte 0 F1C 71C Config Default, Byte 1 F1C 71D Config Default, Byte 2 F1C 71E Config Default, Byte 3 F1C RESET - *1: The ALC272 does not support Modem/HDMI/Vendor groups and Power State widgets. 4 Channel High Definition Audio Codec Table 12. Supported Commands - 701 ...
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... Pin Capabilities Input Amp Capabilities Output Amp Capabilities Connection List Length Supported Power States Processing Capabilities GPI/O Count Volume Knob Capabilities *1: The ALC272 does not support Modem/HDMI/Vendor groups and Power State widgets. 4 Channel High Definition Audio Codec Table 13. Supported Parameters ...
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... Function Group Reset verbs allowed that there are several null commands received in frames between Function Group Reset verbs. 4 Channel High Definition Audio Codec Table 14. Solicited Response Format Bit [34] Bit [33:32] Unsol=0 Reserved Table 15. Unsolicited Response Format Bit [33:32] Reserved 23 ALC272 Datasheet Bit [31:0] Response Bit [31:28] Bit [27:0] Tag Response Track ID: JATR-1076-21 Rev. 1.0 ...
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... The ALC272 minimizes D3 state idle mode power consumption and increases overall battery life in mobile systems mode, only a power on reset or a ‘double function reset’ resets all ALC272 settings, cutting software configuration time spent entering/leaving D3 state, and reducing latency time for transitions ...
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... All power management state changes in widgets are driven by software. Table 16 shows the System Power State Definitions. In the ALC272, all the widgets, including output/input converters, support power control. Software may have various power states depending on system configuration. Table 17 indicates those nodes that support power management ...
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... Supported Verbs and Parameters This section describes the Verbs and Parameters supported by various widgets in the ALC272 verb is not supported by the addressed widget, it will respond with 32 bits of ‘0’. 8.1. Verb – Get Parameters (Verb ID=F00h) The ‘Get Parameters’ verb is used to get system information and the function capabilities of the HDA codec ...
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... Input Delay. Number of samples delay from analog input to HDA link. 7:4 Reserved. Read as 0’s. 3:0 Output Delay. Number of samples delay from HDA link to analog output. 4 Channel High Definition Audio Codec 01h: Audio Function 80h~FFh: Vendor Defined Function 27 ALC272 Datasheet 02h: Modem Function Track ID: JATR-1076-21 Rev. 1.0 ...
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... Processing control is supported 5 Reserved. Read Format Override. Note: The ALC272 supports 16/20/24-bit with 44.1kHz, 48kHz, 96kHz and 192kHz sample rate. The format (parameter ID=0Ah) must be queried 3 AmpParOvr (AMP Param Override). Override amplifier parameters (Gain Control) in individual output Pin Complexes, ADCs, and Mixer widgets ...
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... Supported (The ALC272 DAC and ADC support this sample rate) 1: Supported 1: Supported (The ALC272 DAC and ADC support this sample rate) 1: Supported 1: Supported (The ALC272 DAC and ADC support this sample rate) 1: Supported (ALC272 DAC and ADC support this sample rate) 1: Supported 1: Supported ...
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... Not supported 1: Supported 0 PCM. 0: Not supported 1: Supported (The ALC272 DAC and ADC support this format) Note: Input converters and output converters support this parameter. 8.1.9. Parameter – Pin Capabilities (Verb ID=F00h, Parameter ID=0Ch) The Pin Capabilities parameter returns a bit field describing the capabilities of the Pin Complex widget. ...
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... Reserved. Read as 0. 14:8 Number of Steps. Indicates the number of steps in the gain range. ‘0’ means the gain is fixed. 7 Reserved. Read as 0. 6:0 Offset. Indicates which step is 0dB. 4 Channel High Definition Audio Codec 31 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... D3 mode operates even when no BITCLK presents on the link 29:4 Reserved. Read as 0’s. 3 D3Sup. 1: Power state D3 is supported 2 D2Sup 1: Power state D2 is supported 1 D1Sup 1: Power state D1 is supported 0 D0Sup 1: Power state D0 is supported 4 Channel High Definition Audio Codec 32 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Software can write a base volume to the Volume Control Knob 6:0 NumSteps. The number of steps in the range of the Volume Control Knob. Note: The ALC272 does not support volume knob and will respond with 0s to this parameter. 4 Channel High Definition Audio Codec 33 Track ID: JATR-1076-21 ...
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... Payload Bit [7:0] 0’s 01h: Sum Widget NID=0Dh 01h: Sum Widget NID=0Dh 01h: Sum Widget NID=0Dh Other: Reserved 01h: Sum Widget NID=0Dh Other: Reserved 01h: Sum Widget NID=0Dh Other: Reserved 34 ALC272 Datasheet Codec Response Format Response [31:0] Bit[7:0] are Connection Index Track ID: JATR-1076-21 Rev. 1.0 ...
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... Return 1Dh (Pin Complex –PCBEEP) for N=4~7. Return 00h for N>7. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] Select Index [7:0] Bit [19:8] Payload Bit [7:0] Offset Index - N[7:0] 35 ALC272 Datasheet Codec Response Format Response [31:0] 0’s for all nodes Codec Response Format Response [31:0] 32-bit Response Track ID: JATR-1076-21 Rev. 1.0 ...
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... Connection List Entry (N). Returns 00h. 23:16 Connection List Entry (N+2). Returns 00h. 15:8 Connection List Entry (N+1). Returns 0Bh (Mixer) for N=0~3. Returns 00h for N>3. 7:0 Connection List Entry (N). Returns 02h (LOUT1 DAC) for N=0~3. Returns 00h for N>3. 4 Channel High Definition Audio Codec 36 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Connection List Entry (N). Returns 0Fh (Sum Widget NID=0Fh) for N=0~3. Returns 00h for N>3. Codec Response for NID=18h (MIC1, Port-B) Bit Description 31:8 Connection List Entry (N+3), (N+2), (N+1). Returns 000000h for n>3. 7:0 Connection List Entry (N). Returns 00h for N>3. 4 Channel High Definition Audio Codec 37 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Return 00h. 23:16 Connection List Entry (N+2). Return 00h for N>3. 15:8 Connection List Entry (N+1). Return 0Dh (Sum Widget NID=0Dh) for N=0~3. Return 00h for N>3. 7:0 Connection List Entry (N). Return 0Ch (Sum Widget NID=0Ch) for N=0~3. Return 00h for N>3. 4 Channel High Definition Audio Codec 38 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Return 12h (DMIC-1/2) for N=8~11. Return 00h for N>11. 7:0 Connection List Entry (N). Return 18h (Pin Complex – MIC1) for N=0~3. Return 1Dh (Pin Complex – PCBEEP) for N=4~7. Return 0Bh (Mixer) for N=8~11. Return 00h for N>11. 4 Channel High Definition Audio Codec 39 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Codec Response for all NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] Processing State [7:0] 40 ALC272 Datasheet Codec Response Format Response [31:0] 32-bit response Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Payload Bit [15:0] Verb ID=Dh 0’s Bit [19:16] Payload Bit [15:0] Verb ID=5h Coefficient Index [15:0] Bit [19:16] Payload Bit [15:0] Verb ID=Ch 0’s 41 ALC272 Datasheet Codec Response Format Response [31:0] Bit [15:0] are Coefficient Index Codec Response Format Response [31:0] 0’s for all nodes Codec Response Format Response [31:0] Processing Coefficient [15:0] Track ID: JATR-1076-21 ...
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... Payload Bit [15:0] Verb ID=4h Coefficient [15:0] Bit [19:16] Payload Bit [15:0] Verb ID=Bh ‘Get’ payload [15:0] 1: Output amplifier gain is requested 1: Left amplifier gain is requested 42 ALC272 Datasheet Codec Response Format Response [31:0] 0’s for all nodes Codec Response Format Response [31:0] Bit[7:0] are responsible for ‘Get’ Track ID: JATR-1076-21 Rev. 1.0 ...
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... Bit- ‘Get Amplifier Gain’: Output Amplifier Mute. 0:Unmute; 1:Mute (Default=1) 6:0 Bit- ‘Get Amplifier Gain’. Read as 0 (No Input Amplifier Gain). Bit- ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Gain). 4 Channel High Definition Audio Codec 43 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Bit- ‘Get Amplifier Gain’. Read as 0 (No Input Amplifier Gain). Bit- ‘Get Amplifier Gain’. Read as 0 (No Output Amplifier Gain). Codec Response to Other NID Bit Description 31:0 Not Supported (returns 00000000h). 4 Channel High Definition Audio Codec 44 Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... The index is ignored if the node is not a Sum or a Selector widget, or the ‘Set Input Amp’ bit is not set. 7 Mute. 0: Unmute 1: Mute (-∞gain) 6:0 Gain[6:0]. A 7-bit step value specifying the amplifier gain 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] Verb ID=3h ‘Set’ payload [7:0] 45 ALC272 Datasheet Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Track ID: JATR-1076-21 ALC272 Datasheet Sample rate 44.1K 44.1K 44.1K, 88.2K 44.1K, 88.2K 44.1K 44.1K Rev. 1.0 ...
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... Set format [15:0] 001b: *2 010b: *3 100b~111b: Reserved 001b: /2 010b: /3 100b: /5 101b: /6 111b: /8 001b: 16 bits 010b: 20 bits 100b: 32 bits 101b~111b: Reserved 1: 2 channels 2: 3 channels 47 ALC272 Datasheet Codec Response Format Response [31:0] 0’s for all nodes ……… 15: 16 channels Track ID: JATR-1076-21 Rev. 1.0 ...
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... Verb – Get Power State (Verb ID=F05h) The ALC272 is designed to meet Intel’s low-power-state white paper and is ECR HDA-015B compliant (see section 7.5 Power Management , page 24). Table 50. Verb – Get Power State (Verb ID=F05h) Get Command Format Bit [31:28] Bit [27:20] CAd=X Node ID=Xh Verb ID= F05h ...
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... Bit [19:8] Payload Bit [7:0] Power State [7:0] 01: Power state is D1 11: Power state is D3 01: Power state is D1 11: Power state is D3 Bit [19:8] Payload Bit [7:0] 0’s 49 ALC272 Datasheet Codec Response Format Response [31:0] 0’s for all nodes Codec Response Format Response [31:0] Stream & Channel [7:0] Track ID: JATR-1076-21 Rev. 1.0 ...
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... Note: NID=1Eh (1 4:3 Reserved. 2:0 VrefEn (Vrefout Enable Control). 000b: Hi-Z (Disabled, default for all) 001b: 50% of AVDD (ALC272 supports 2.5V reference output when AVDD is 5V) 010b: Ground 0V 011b: Reserved 100b: 80% of AVDD (ALC272 supports 3.2V reference output when AVDD is 5V) 101b: 100% of AVDD 110b~111b: Reserved Note: Only NID=18h, 19h, 1Ah, and 1Bh support reference output, other nodes will ignore this verb and respond with 0 ...
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... Note: Only NID=18h, 19h, 1Ah and 1Bh support reference output, other nodes will ignore this verb and respond with 0. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] Pin Control [7: SPDIF-OUT) and 11h (2 SPDIF-OUT) do not support output and is always read 0. 51 ALC272 Datasheet Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Tag[5:0] is defined by software to assign a 6-bit tag for nodes that are enabled to generate unsolicited responses. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s 1: Enabled Bit [19:8] Payload Bit [7:0] EnableUnsol [7:0] 1: Enable 52 ALC272 Datasheet Codec Response Format Response [31:0] 32-bit Response Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Presence Detect Status device is attached to the pin 1: Device is attached to the pin 30:0 Measured Impedance. The ALC272 does not support hardware impedance detect. This field is read as 0s. Codec Response for other NID Bit Description 31:0 Not Supported (returns 00000000h). 8.24. Verb – Execute Pin Sense (Verb ID=709h) Table 59. Verb – ...
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... Codec Response for All NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] Verb ID=71Ch, Label [7:0] 54 ALC272 Datasheet Codec Response Format Response [31:0] 32-bit Response Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Note: All nodes except BEEP generator (NID=01h) will ignore this verb. Codec Response for All NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] Divider [7:0] 55 ALC272 Datasheet Codec Response Format Response [31:0] Divider [7:0] Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... The value written determines the value driven on a pin that is configured as an output pin. Codec Response for All NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] Data [7:0] 56 ALC272 Datasheet Codec Response Format Response [31:0] 32-bit Response Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Note: All nodes except Audio Function Group (NID=01h) will ignore this verb. Codec Response for All NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] Enable Mask [7:0] 57 ALC272 Datasheet Codec Response Format Response [31:0] EnableMask [7:0] Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Note: All nodes except Audio Function Group (NID=01h) will ignore this verb. Codec Response for Other NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] Direction [7:0] 58 ALC272 Datasheet Codec Response Format Response [31:0] Direction [7:0] Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Response’ for NID=01h are enabled. Codec Response for Other NID Bit Description 31:0 0’s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s Bit [19:8] Payload Bit [7:0] UnsolEnable [7:0] 59 ALC272 Datasheet Codec Response Format Response [31:0] UnsolEnable [7:0] Codec Response Format Response [31:0] 0’s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... V for Validity Control (control V bit and data in Sub-Frame). 0 Digital Enable. DigEn. 0: OFF 1: ON Codec Response for Other NID Bit Description 31:0 0’s 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s 60 ALC272 Datasheet Codec Response Format Response [31:0] Bit[31:16]=0’s, Bit[15:0] are SIC bit Track ID: JATR-1076-21 Rev. 1.0 ...
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... Description – SIC (SPDIF IEC Control) Bit[7:0] 7 Reserved. Read as 0’s. 6:0 CC[6:0] (Category Code). 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] SIC [7:0] Bit [19:8] Payload Bit [7:0] SIC [15:8] 61 ALC272 Datasheet Codec Response Format Response [31:0] 0’s Codec Response Format Response [31:0] 0’s Track ID: JATR-1076-21 Rev. 1.0 ...
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... Codec Response for all NID Bit Description 31:0 0s. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0s Bit [19:8] Payload Bit [7:0] Verb ID=723h, Label [7:0] 62 ALC272 Datasheet Codec Response Format Response [31:0] 32-bit Response Codec Response Format Response [31:0] 0s for all nodes Track ID: JATR-1076-21 Rev. 1.0 ...
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... Codec Response for NID=14h (LOUT1, port-D) and 15h (LOUT2, port-A) Bit Description 31:3 Reserved. 2 L-R Swap. The ALC272 does not support swapping left and right channels. Read EAPD Value. 0: EAPD pin state is low 1: EAPD pin state is high 0 BTL Enable. The ALC272 does not support BTL output. Read as 0. ...
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... Verb ID=7FFh Codec Response Bit Description 31:0 Reserved. Read as 0’s. Note: The Function Reset command causes all widgets to return to their power-on default state. 4 Channel High Definition Audio Codec Bit [19:8] Payload Bit [7:0] 0’s 64 ALC272 Datasheet Codec Response Format Response [31:0] 0’s Track ID: JATR-1076-21 Rev. 1.0 ...
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... 0.65*DVDDIO 0.56*DVDD (1.85 0.9*DVDD - Typical Maximum 3.3 3.6 3.3 3.6 5.0 5.5 - +70 - +125 Pass 3500V Typical Maximum - DVDD+0.30 - 0.30*DVDDIO - - - 0.44*DVDD (1.45 0.1*DVDD - 50k 100k Track ID: JATR-1076-21 ALC272 Datasheet Units Units µA µA mA Ω Rev. 1.0 ...
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... Note: Fs=Sample rate. 4 Channel High Definition Audio Codec Table 81. SPDIF Output Characteristics Symbol Minimum V 3 Table 82. Digital Filter Characteristics Minimum 0 0.60* 0.60* Datasheet Typical Maximum 3 0.3 Typical Maximum - 0.45* -76.0 - ±0. 0.45* -78.5 - ±0.020 - Track ID: JATR-1076-21 ALC272 Units V V Units kHz kHz dB dB kHz kHz dB dB Rev. 1.0 ...
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... Table 83. Link Reset and Initialization Timing Symbol Minimum T 1.0 RST T 20 PLL T - FRAME 4 BCLK T RST Figure 15. Link Reset and Initialization Timing 67 Datasheet Typical Maximum - - - - - 1 Frame Time Initialization >= 4 BCLK Sequence Normal Frame SYNC Initialization Request T T PLL FRAME Track ID: JATR-1076-21 ALC272 Units µs µs Rev. 1.0 ...
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... Symbol Minimum - - T - cycle T - jitter T 18.75 (45%) high T 18.75 (45%) low T 2.1 setup T 2.1 hold T - tco T - flight lig h t Figure 16. Link Signal Timing 68 Datasheet Typical Maximum 24.0 - 41. 2.0 - 22.91 (55%) - 22.91 (55 7.5 8.0 2.0 - Track ID: JATR-1076-21 ALC272 Units MHz (%) ns (%) Rev. 1.0 ...
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... T - jitter T 156.2 (48%) 162.8 (50%) High T 156.2 (48%) 162.8 (50%) Low T - rise T - fall Figure 17. Output Timing 69 Datasheet Typical Maximum 3.072 - 325 169.2 (52%) 169.2 (52%) 2 Track ID: JATR-1076-21 ALC272 Units MHz (%) ns (%) Rev. 1.0 ...
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... Datasheet Typ Max Units 1.6 - Vrms 1.4 - Vrms 1.1 - Vrms FSA FSA 95 - dBFS > 20,000 - > 20,000 - +0.02 -60 - - 110 - 0.2 Degree 32 - 100 - 1 2 45/25 - 1.5/0.4 - 2.5 3 Track ID: JATR-1076-21 ALC272 KΩ Ω Ω Rev. 1.0 ...
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... Application Circuits The ALC272 is NOT pin compatible with the ALC662, ALC88x, and ALC26x series HD Audio Codecs. To get the best compatibility in hardware design and software driver, any modification should be confirmed by Realtek. Realtek may upload the latest application circuits onto our website (www.realtek.com.tw) without modifying this datasheet. ...
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... FIO-SENSE PORT2-SENSE-RETURN FIO-PORT2-R L14 FERB FIO-PORT2-L L15 FERB C45 C52 100P 100P FIO-SENSE PORT1-SENSE-RETURN FIO-PORT1-R L16 FERB FIO-PORT1-L L17 FERB C50 C51 100P 100P Track ID: JATR-1076-21 ALC272 Datasheet JACK FIO-PORT2 (Jack-E) JACK FIO-PORT1 (Jack-F) Rev. 1.0 ...
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... C28 MIC-IN 100P Figure 20. Analog Input/Output Connection 73 HPOUT-JD 22~ 22~75 C15 C16 FRONT/HEADPHONE OUT 100P 100P LOUT2- FERB FERB C13 C22 100P 100P Track ID: JATR-1076-21 ALC272 Datasheet Alternative JACK JACK LOUT2-OUT Rev. 1.0 ...
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... S/PDIF Output Connection option 1: Coaxial S/PDIF OUTPUT C46 J14 1 C53 0.01u NC 4 Channel High Definition Audio Codec S/PDIF OutputConnection option 2: Optical R37 200 S/PDIF-OUT R39 100 Figure 21. Optional SPDIF Output 74 U4 TOTX178 Optical Transmitter 5 4 N.C N.C R43 10 C56 0.1u +5VD R45 NC Track ID: JATR-1076-21 ALC272 Datasheet S/PDIF-OUT Rev. 1.0 ...
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... BSC CHECK 0.276 BSC 0.217 0.007 0.008 0.011 0.0196 BSC 3.5 7 0.018 0.0236 0.030 - 0.0393 - 75 TITLE: LQFP-48 (7.0x7.0x1.6mm) PACKAGE OUTLINE DRAWING, FOOTPRINT 2.0mm LEADFRAME MATERIAL DOC. NO. VERSION 02 DWG NO. PKGC-065 DATE REALTEK SEMICONDUCTOR CORP. Track ID: JATR-1076-21 ALC272 Datasheet Rev. 1.0 ...
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... Note 2: Above parts are tested under AVDD=5.0V. If customers have lower AVDD request, please contact Realtek sales representatives or agents. Realtek Semiconductor Corp. Headquarters No. 2, Innovation Road II Hsinchu Science Park, Hsinchu 300, Taiwan Tel.: +886-3-578-0211. Fax: +886-3-577-6047 www.realtek.com.tw 4 Channel High Definition Audio Codec Table 87. Ordering Information 76 ALC272 Datasheet Status Mass Production Track ID: JATR-1076-21 Rev. 1.0 ...