Cirrus-logic CS42516 Manuale Utente

Copyright  Cirrus Logic, Inc. 2014 (All Rights Reserved)http://www.cirrus.com110 dB, 192-kHz 6-Ch CODEC with S/PDIF ReceiverFeatures Six 24-bit D/A,

10 DS583F2CS42516D/A DIGITAL FILTER CHARACTERISTICS Notes:9. Response is clock dependent and will scale with Fs. Note that the response plots (Fig

DS583F2 11CS42516SWITCHING CHARACTERISTICS(TA = -10 to +70° C; VA=VARX = 5 V, VD =VLC= 3.3 V, VLS = 1.8 V to 5.25 V; Inputs: Logic 0 = DGND, Logic 1

12 DS583F2CS42516SWITCHING CHARACTERISTICS - CONTROL PORT - I²C™ FORMAT(TA = -10 to +70° C; VA=VARX = 5 V, VD =VLS= 3.3 V; VLC = 1.8 V to 5.25 V; Inpu

DS583F2 13CS42516SWITCHING CHARACTERISTICS - CONTROL PORT - SPI™ FORMAT (TA = -10 to +70° C; VA=VARX = 5 V, VD =VLS= 3.3 V; VLC = 1.8 V to 5.25 V; Inp

14 DS583F2CS42516DC ELECTRICAL CHARACTERISTICS(TA = 25° C; AGND=DGND=0, all voltages with respect to ground; OMCK=12.288 MHz; Master Mode)Notes:23. Cu

DS583F2 15CS42516DIGITAL INTERFACE CHARACTERISTICS(TA = +25° C)Notes:27. Serial Port signals include: RMCK, OMCK, SAI_SCLK, SAI_LRCK, SAI_SDOUT, CX_SC

16 DS583F2CS425162. PIN DESCRIPTIONS Pin Name # Pin DescriptionCX_SDIN1CX_SDIN2CX_SDIN316463Codec Serial Audio Data Input (Input) - I

DS583F2 17CS42516INT11Interrupt (Output) - The CS42516 will generate an interrupt condition as per the Interrupt Mask register. See “Interrupts” on pa

18 DS583F2CS42516ADCIN1ADCIN25857External ADC Serial Input (Input) - The CS42516 provides for up to two external stereo analog to digital converter in

DS583F2 19CS425163. TYPICAL CONNECTION DIAGRAM VDAOUTA1+240.1 µF+10 µF100 µF0.1 µF++1718VQFILT+36370.1 µF4.7 µFVA+10 µF51AOUTA1-AOUTB1+3534AOUTB

2 DS583F2CS42516TABLE OF CONTENTS1. CHARACTERISTICS AND SPECIFICATIONS ...

20 DS583F2CS425164. APPLICATIONS4.1 OverviewThe CS42516 is a highly integrated mixed-signal 24-bit audio codec comprised of 2 analog-to-digital con-ve

DS583F2 21CS425164.2.2 High-Pass Filter and DC Offset CalibrationThe high-pass filter continuously subtracts a measure of the DC offset from the outpu

22 DS583F2CS425164.3.3 Digital Volume and Mute ControlEach DAC’s output level is controlled via the Volume Control registers operating over the range

DS583F2 23CS425164.4 S/PDIF ReceiverThe CS42516 includes an S/PDIF digital audio receiver. The S/PDIF receiver accepts and decodes digitalaudio data a

24 DS583F2CS425164.5 Clock GenerationThe clock generation for the CS42516 is shown in the figure below. The internal MCLK is derived from theoutput of

DS583F2 25CS425164.5.2 OMCK System Clock ModeA special clock-switching mode is available that allows the clock that is input through the OMCK pin to b

26 DS583F2CS42516When either serial port is in Slave Mode, its respective LRCK signal must be present for proper deviceoperation.In Slave Mode, One-Li

DS583F2 27CS42516 Serial Inputs / OutputsCX_SDIN1 left channel right channel

28 DS583F2CS425164.6.2 Serial Audio Interface FormatsThe CODEC_SP and SAI_SP digital audio serial ports support five formats with varying bit depths f

DS583F2 29CS42516CX_LRCKSAI_LRCKCX_SCLKSAI_SCLKLeft ChannelRight ChannelCX_SDINxCX_SDOUTSAI_SDOUT+3 +2 +1+5 +4-1 -2 -3 -4 -5+3 +2 +1+5 +4-1-2 -3 -4MSB

DS583F2 3CS425166. REGISTER DESCRIPTION ...

30 DS583F2CS42516CX_LRCKSAI_LRCKCX_SCLKSAI_SCLKLSBMSB20 clks64 clks 64 clksLSBMSB LSBMSB LSBMSB LSBMSB LSBMSB MSBDAC1 DAC3 DAC5 DAC2 DAC4 DAC620 clks2

DS583F2 31CS425164.6.3 ADCIN1/ADCIN2 Serial Data FormatThe two serial data lines which interface to the optional external ADCs, ADCIN1 and ADCIN2, sup

32 DS583F2CS425164.6.4 One-Line Mode (OLM) Configurations4.6.4.1 OLM Config #1One-Line Mode Configuration #1 can support up to 6 channels of DAC data,

DS583F2 33CS425164.6.4.2 OLM Config #2This configuration will support up to 6 channels of DAC data or 6 channels of ADC data and no channelsof S/PDIF

34 DS583F2CS425164.6.4.3 OLM Config #3This One Line Mode configuration #3 will support up to 6 channels of DAC data, 6 channels of ADC data and 2 chan

DS583F2 35CS425164.6.4.4 OLM Config #4This configuration will support up to 6 channels of DAC data 6 channels of ADC data and no channels ofS/PDIF rec

36 DS583F2CS425164.6.4.5 OLM Config #5This One-Line Mode configuration can support up to 6 channels of DAC data 2 channels of ADC data and2 channels o

DS583F2 37CS425164.7 Control Port Description and TimingThe control port is used to access the registers, allowing the CS42516 to be configured for th

38 DS583F2CS425164.7.2 I²C ModeIn I²C mode, SDA is a bidirectional data line. Data is clocked into and out of the part by the clock, SCL.There is no C

DS583F2 39CS42516Send start condition. Send 10011xx1(chip address & read operation). Receive acknowledge bit. Receive byte, contents of selected r

4 DS583F2CS4251611. APPENDIX D: EXTERNAL AES3-S/PDIF-IEC60958 RECEIVER COMPONENTS ... 8211.1 AES3 Receiver External Components

40 DS583F2CS42516For applications where the output of the PLL is required to be low jitter, use a separate, low-noise analog+5 V supply for VARX, deco

DS583F2 41CS425165. REGISTER QUICK REFERENCEAddr Function 7 6 5 4 3 2 1 001hIDChip_ID3 Chip_ID2 Chip_ID1 Chip_ID0 Rev_ID3 Rev_ID2 Rev_ID1 Rev_ID0page

42 DS583F2CS425160FhVol. Control A1A1_VOL7 A1_VOL6 A1_VOL5 A1_VOL4 A1_VOL3 A1_VOL2 A1_VOL1 A1_VOL0page 58default0 0 00000 010hVol. Control B1B1_VOL7 B

DS583F2 43CS425161FhRCVR Mode Ctrl 2Reserved TMUX2 TMUX1 TMUX0 Reserved RMUX2 RMUX1 RMUX0page 63default0 0 00000 020hInterrupt StatusUNLOCK Reserved Q

44 DS583F2CS425162EhRXP2/GPO2Mode1 Mode0 Polarity Function4 Function3 Function2 Function1 Function0page 69default0 0 00000 02FhRXP1/GPO1Mode1 Mode0 Po

DS583F2 45CS425166. REGISTER DESCRIPTIONAll registers are read/write except for the I.D. and Revision Register, OMCK/PLL_CLK Ratio Register, Interrupt

46 DS583F2CS425166.3 Power Control (address 02h)6.3.1 POWER DOWN RECEIVER (PDN_RCVRX)Default = 1000 - Receiver and PLL in normal operational mode.01 -

DS583F2 47CS425166.4 Functional Mode (address 03h)6.4.1 CODEC FUNCTIONAL MODE (CODEC_FMX)Default = 0000 - Single-Speed Mode (4 to 50 kHz sample rates)

48 DS583F2CS42516Receiver Mode Control (address 1Eh) register to set the appropriate sample rate. 6.4.5 RECEIVER DE-EMPHASIS CONTROL (RCVR_DEM)Defaul

DS583F2 49CS425166.5 Interface Formats (address 04h)6.5.1 DIGITAL INTERFACE FORMAT (DIFX)Default = 01Function:These bits select the digital interface

DS583F2 5CS42516Figure 43. Quad-Speed Mode Transition Band ... 8

50 DS583F2CS425166.5.4 SAI RIGHT-JUSTIFIED BITS (SAI_RJ16)Default = 0Function:This bit determines how many bits to use during right-justified mode for

DS583F2 51CS425166.6.4 INTERPOLATION FILTER SELECT (FILT_SEL)Default = 0Function:This feature allows the user to select whether the DAC interpolation

52 DS583F2CS425166.7 Clock Control (address 06h)6.7.1 RMCK DIVIDE (RMCK_DIVX)Default = 00Function:Divides/multiplies the internal MCLK, either from th

DS583F2 53CS425166.7.4 MASTER CLOCK SOURCE SELECT (SW_CTRLX)Default = 00Function:These two bits, along with the UNLOCK bit in register “Interrupt Stat

54 DS583F2CS425166.9 RVCR Status (address 08h) (Read Only)6.9.1 DIGITAL SILENCE DETECTION (DIGITAL SILENCE)Default = x0 - Digital Silence not detected

DS583F2 55CS425166.9.4 RECEIVER CLOCK FREQUENCY (RCVR_CLKX)Default = xxxFunction:The CS42516 detects the ratio between the OMCK and the recovered cloc

56 DS583F2CS425166.11 Volume Transition Control (address 0Dh)6.11.1 SINGLE VOLUME CONTROL (SNGVOL)Default = 0Function:The individual channel volume le

DS583F2 57CS425166.11.3 AUTO-MUTE (AMUTE)Default = 10 - Disabled1 - EnabledFunction:The digital-to-analog converters of the CS42516 will mute the out

58 DS583F2CS425166.12 Channel Mute (address 0Eh)6.12.1 INDEPENDENT CHANNEL MUTE (XX_MUTE)Default = 00 - Disabled1 - EnabledFunction:The digital-to-ana

DS583F2 59CS42516Mixing Control Pair 2 (Channels A2 & B2) (address 19h)Mixing Control Pair 3 (Channels A3 & B3) (address 1Ah) 6.15.1 CHANNEL A

6 DS583F2CS425161. CHARACTERISTICS AND SPECIFICATIONS (All Min/Max characteristics and specifications are guaranteed over the Specified Operating Cond

60 DS583F2CS425166.15.2 ATAPI CHANNEL-MIXING AND MUTING (PX_ATAPIX) Default = 01001Function:The CS42516 implements the channel-mixing functions of the

DS583F2 61CS425166.16 ADC Left Channel Gain (address 1Ch)6.16.1 ADC LEFT CHANNEL GAIN (LGAINX)Default = 00hFunction:The level of the left analog chann

62 DS583F2CS425166.18.2 DE-EMPHASIS SELECT BITS (DE-EMPHX)Default = 0000 - Reserved01 - De-Emphasis for 32 kHz sample rate.10 - De-Emphasis for 44.1 k

DS583F2 63CS425166.19 Receiver Mode Control 2 (address 1Fh)6.19.1 TXP MULTIPLEXER (TMUXX)Default = 000Function:Selects which of the eight receiver inp

64 DS583F2CS425166.20.1 PLL UNLOCK (UNLOCK)Default = 0Function:PLL unlock status bit. This bit will go high if the PLL becomes unlocked.6.20.2 NEW Q-S

DS583F2 65CS425166.22 Interrupt Mode MSB (address 22h)Interrupt Mode LSB (address 23h)Default = 00000000Function:The two Interrupt Mode registers form

66 DS583F2CS425166.23.3 C-DATA BUFFER CONTROL (CAM)Default = 00 - One byte mode1 - Two byte modeFunction:Sets the C-data buffer control port access mo

DS583F2 67CS425166.24.2 CHANNEL STATUS BLOCK FORMAT (PRO)Default = xFunction:Indicates the channel status block format.6.24.3 AUDIO INDICATOR (AUDIO)D

68 DS583F2CS425166.25.3 PLL LOCK STATUS (UNLOCK)Default = x0 - PLL locked1 - PLL out of lockFunction:Indicates the lock status of the PLL.6.25.4 RECEI

DS583F2 69CS42516the status of the HOLD bit. If a mask bit is set to 0, the error is masked, meaning that its occurrence will not appear in the receiv

DS583F2 7CS42516ANALOG INPUT CHARACTERISTICS(TA = 25° C; VA =VARX= 5 V, VD = 3.3 V, Logic “0” = DGND =AGND = 0 V; Logic “1” = VLS = VLC = 5 V; Mea-sur

70 DS583F2CS42516or as a dedicated ADC overflow pin indicating an over-range condition anywhere in the ADC signal path for either the left or right ch

DS583F2 71CS42516following table. It is recommended that in this mode the remaining functional bits be set to 0.GPO, Drive High - If the pin is config

72 DS583F2CS425167. PARAMETER DEFINITIONSDynamic RangeThe ratio of the rms value of the signal to the rms sum of all other spectral components over th

DS583F2 73CS425168. APPENDIX A: EXTERNAL FILTERS8.1 ADC Input FilterThe analog modulator samples the input at 6.144 MHz (internal MCLK=12.288 MHz). Th

74 DS583F2CS425169. APPENDIX B: S/PDIF RECEIVER9.1 Error Reporting and Hold FunctionThe UNLOCK bit indicates whether the PLL is locked to the incoming

DS583F2 75CS425169.2.1 Channel Status Data E Buffer AccessThe user can monitor the incoming Channel Status data by reading the E buffer, which is mapp

76 DS583F2CS425169.2.2 Serial Copy Management System (SCMS)The CS42516 allows read access to all the channel status bits. For consumer mode SCMS compl

DS583F2 77CS4251610.APPENDIX C: PLL FILTERThe PLL has been designed to only use the preambles of the S/PDIF stream to provide lock update information

78 DS583F2CS42516The external PLL component values listed in Table 21 have a high corner-frequency jitter-attenuationcurve, take a short time to lock,

DS583F2 79CS4251610.1.2 Jitter AttenuationFigures 28 and 29 show the jitter-attenuation characteristics for the 32-192 kHz sample rate range whenused

8 DS583F2CS42516A/D DIGITAL FILTER CHARACTERISTICS Notes:5. The filter frequency response scales precisely with Fs.6. Response shown is for Fs equal

80 DS583F2CS4251610.1.3 Capacitor SelectionThe type of capacitors used for the PLL filter can have a significant effect on receiver performance. Large

DS583F2 81CS4251610.1.4 Circuit Board LayoutBoard layout and capacitor choice affect each other and determine the performance of the PLL. Figure30 ill

82 DS583F2CS4251611.APPENDIX D: EXTERNAL AES3-S/PDIF-IEC60958 RECEIVER COMPONENTS 11.1 AES3 Receiver External ComponentsThe CS42516 AES3 receiver is d

DS583F2 83CS4251612.APPENDIX E: ADC FILTER PLOTS -140-130-120-110-100-90-80-70-60-50-40-30-20-1000.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0Frequency

84 DS583F2CS42516 -10-9-8-7-6-5-4-3-2-100.40 0.43 0.45 0.48 0.50 0.53 0.55Frequency (normalized to Fs)Amplitude (dB) -0.10-0.08-0.05-0.030.

DS583F2 85CS4251613.APPENDIX F: DAC FILTER PLOTS0.4 0.5 0.6 0.7 0.8 0.9 1120100806040200Frequency(normalized to Fs)Amplitude (dB)0.4 0.42 0.44 0.46 0.

86 DS583F2CS425160 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.50.020.0150.010.00500.0050.010.0150.02Frequency(normalized to Fs)Amplitude (dB)0.45 0.46

DS583F2 87CS425160.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1120100806040200Frequency(normalized to Fs)Amplitude (dB)0.2 0.3 0.4 0.5 0.6 0.7 0.8120100806040200Fr

88 DS583F2CS425160.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55109876543210Frequency(normalized to Fs)Amplitude (dB)0 0.05 0.1 0.15 0.2 0.250.2

DS583F2 89CS4251614.PACKAGE DIMENSIONS THERMAL CHARACTERISTICSINCHES MILLIMETERSDIM MIN NOM MAX MIN NOM MAXA --- 0.55 0.063 --- 1.40 1.60A1 0.002 0.

DS583F2 9CS42516ANALOG OUTPUT CHARACTERISTICS(TA = 25° C; VA =VARX= 5 V, VD = 3.3 V, Logic “0” = DGND =AGND = 0 V; Logic “1” = VLS = VLC = 5V; Measure

90 DS583F2CS4251615.ORDERING INFORMATION16.REFERENCES1) Cirrus Logic, Audio Quality Measurement Specification, Version 1.0, 1997.http://www.cirrus.com

DS583F2 91CS4251617.REVISION HISTORY Release Date ChangesF1 October 2005Final Release– Added ordering information table on page 90.– Updated registers

92 DS583F2CS42516