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AKM AKD4753-A, Руководство пользователя

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AKM AKD4753-A Скачать руководство пользователя страница 18

  

[AKD4753-A] 

 

1-4-1. Parameter Setting 

 

(1)    Please set a parameter of each Filter.   

 

Parameter Function 

Setting 

Range 

Sampling Rate 

Sampling frequency (fs) 

7350Hz 

≤

 fs 

≤

 48000Hz 

HPF  

 

Cut Off Frequency 

1.042x10

-3 

≤

 fc/fs 

≤

 0.24 

High pass filter cut off frequency   

LPF  

 

Cut Off Frequency 

Low pass filter cut off frequency   

5.208x10

-3 

≤

 fc/fs 

≤

 0.24 

5 Band Equalizer 

 

 

EQ1-5 Center Frequency 

EQ1-5 Center Frequency 

3.125x10

-3 

≤

 fon/fs < 0.4969

EQ1-5 Band Width 

Note 1

fbn/fs 

≤

 0.25 

EQ1-5 Band Width 

)

(

EQ1-5 Gain 

Note 2

-1

≤

 Gain < 3 

EQ1-5 Gain 

)

(

        Table 6. Parameter Setting 

Note 1. A gain difference is a bandwidth of 3dB from center frequency. 
Note 2. When a gain is smaller than 0 , EQ becomes a notch filter. 

 
 
 

(2) “HPF LPF Enable” , “HPF” ,”LPF” , “EQ1”, “EQ2”, “EQ3”, “EQ4”, “EQ5” 
 
      Please set ON/OFF of Filter with a check button. When checked it, Filter becomes ON.   
      When “Notch Filter Auto Correction” is checked, perform automatic correction of the center frequency 

of the notch filter is executed.   

 

 

 

 

 

 

Figure 24. Filter ON/OFF setting button 

 

KM103902  

2011/01 

- 18 - 

Содержание AKD4753-A

Страница 1: ...connectors for analog audio input output Optical connector for digital audio input On board digital audio interface AK4118A Potentiometers for Volume and Bass gain control USB connector for serial co...

Страница 2: ...case JP15 is set to Open Should be always connected AGND Black Analog Ground GND Should be always connected DGND Black Digital Ground GND Table 1 Set up the power supply lines Each supply line should...

Страница 3: ...K JP7 AK4753 MCLK JP5 AK4753 SDATA JP6 AK4753 LRCK MCKI DIR EXT JP3 XTL EXT GND EXT DIR EXT DIR Figure 2 Setting of D A using DIR of AK4118A b All interface signals including master clock are fed exte...

Страница 4: ...118A it is necessary to correspond to audio interface format for AK4753 and AK4118A Please use AK4118A in the master mode PORT1 RX is used Nothing should be connected to PORT3 DSP and J7 MCKI EXT DIR...

Страница 5: ...using J7 MCKI JP7 AK4753 MCLK MCKI DIR EXT JP3 XTL EXT GND JP7 AK4753 MCLK MCKI DIR EXT JP3 XTL EXT GND Figure 7 Setup the MCKI a 2 Other Setting BICK LRCK and SDATA PORT3 DSP is used Nothing should...

Страница 6: ...e EXTEE switch See Table to L JP10 PC SDA JP8 PC SCL JP9 WP L Figure 9 Setting of EEP ROM operation1 2 When you load the setting from EEPROM to AK4753 Please change the EXTEE switch See Table 5 from t...

Страница 7: ...tting of EEPROM SHORT Write protect is Disable OPEN Write protect is Enable Default JP10 PC SDA The selection of SDA signal SHORT When you write the setting in EEPROM OPEN When you load the setting fr...

Страница 8: ...lt H L 512fs H H Not to use Table 3 Setting for AK4118A Master Clock Setting DIF2 DIF1 DIF0 SDTO LRCK BICK L L 24bit Left justified H L O 64fs O L H 24bit I2 S L H O 64fs O Fixed Default H L 24bit Lef...

Страница 9: ...ringing L upon power up Indication for LED LED1 STO Monitor STO pin of the AK4753 LED turns on when Read error of EEPROM has occurred to AK4753 LED2 EFR Monitor INT0 pin of the AK4118A LED turns on wh...

Страница 10: ...a AINL AINR C4 1u C2 1u J1 AINR AINR 1 2 3 4 5 J3 AINL 1 2 3 4 5 R3 open R1 open AINL Figure 12 Circuit diagram of AINL and AINR b SAIN1 SAIN2 SAIN1 AVDD R5 10k SAIN2 R7 10k C9 OPEN C12 OPEN Figure 13...

Страница 11: ...ST2 LOUT R4 open C1 10u C5 10u C7 10u C10 10u R8 open C11 OPEN TEST4 ROUT J6 LOUT2 ROUT R6 open C8 OPEN TEST3 ROUT SW LOUT1 C3 OPEN TEST1 LOUT R2 open C6 OPEN ROUT1 TEST2 LOUT R4 open C1 10u C5 10u C7...

Страница 12: ...PC When it can not be recognized correctly please Connect Evaluation board to PC with USB cable 3 Proceed evaluation by following the process below Operation Screen 1 Start up the control program foll...

Страница 13: ...et by a hardware reset use this button to initialize the registers 3 All Write Executing write commands for all registers displayed 4 All Read Executing read commands for all registers displayed 5 Sav...

Страница 14: ...A Tab Functions 1 Function Function control This tab is for function control Each operation is executed by the function buttons on the left side of the screen Figure 18 Window of Function KM103902 20...

Страница 15: ...th Setting Refer to the datasheet for register settings of the AK4753 Figure 19 Window of Mode Setting 1 2 PLL Setting System Clock and Audio I F Setting When PLL Setting button is clicked the window...

Страница 16: ...lide bars A register writing is made on every slide bar move After the volume slide is moved it is reflected on to the register map and data writing dialog box 1 3 2 Volume Control by Slide bar Slide...

Страница 17: ...uch as HPF LPF and EQ filters a register writing and a frequency response checking of HPF LPF and EQ filters can be made When Digital Filter Setting button is clicked the window as shown in opens Refe...

Страница 18: ...5x10 3 fon fs 0 4969 EQ1 5 Band Width Note 1 fbn fs 0 25 EQ1 5 Band Width EQ1 5 Gain Note 2 1 Gain 3 EQ1 5 Gain Table 6 Parameter Setting Note 1 A gain difference is a bandwidth of 3dB from center fre...

Страница 19: ...f register setting is not carried out Figure 25 A register setting calculation result Followings are the cases when a register set value is updated 1 When Register Setting button was pushed 2 When F R...

Страница 20: ...haracteristic is updated when push a UpDate button Figure 26 A frequency characteristic indication result Followings are the cases when a register set value is updated 1 When Register Setting button w...

Страница 21: ...the operation of Center Frequency and Gain right clicking in the operation of the left click It moves by the left click After it moves a set value is reflected Figure 27 Filter Setting Left clicking...

Страница 22: ...imiter Setting When Limiter Setting button is clicked the window as shown in opens This window is for Limiter Setting Refer to the datasheet for register settings of the AK4753 Figure 29 Window of Lim...

Страница 23: ...indicates H or 1 and the bit name is in red when read only it is in deep red Button Up indicates L or 0 and the bit name is in blue when read only it is in gray Grayout registers are Read Only registe...

Страница 24: ...the registers or click Cancel to cancel this setting Figure 31 Window of Register Set 2 2 Read Data Read Click Read button located on the right of the each corresponded address to execute register re...

Страница 25: ...AKD4753 A 3 Tool Testing Tools This tab screen is for evaluation testing tool Click buttons for each testing tool Figure 32 Window of Tool KM103902 2011 01 25...

Страница 26: ...alog Click Repeat Test button to open repeat test setting dialog box Figure 33 Window of Repeat Test 3 2 Loop Setting Loop Setting Dialog Click Loop Setting button to open loop setting dialog box Figu...

Страница 27: ...s Writings are executed in descending order Help Help window is popped up Save Saving the register setting file assignment The file name is mar Open right Opening a saved register setting file assignm...

Страница 28: ...adecimal numbers for data writing Data Box Input data in hexadecimal numbers Mask Box Input mask data in hexadecimal numbers This is AND processed input data Write Writing to the address specified by...

Страница 29: ...1 Sequence Setting Set register sequence by following process bellow 1 Select a command Use Select pull down box to choose commands Corresponding boxes will be valid Select Pull down menu No_use Not u...

Страница 30: ...ne 3 2 Control Buttons The function of Control Button is shown bellow Start Executing the sequence Help Opening a help window Save Saving sequence settings as a file The file name is aks Open Opening...

Страница 31: ...in descending order Help Pop up the help window Save Saving sequence setting file assignment The file name is mas Open right Opening a saved sequence setting file assignment mas Close Closing the dia...

Страница 32: ...rite button Register setting wrings to EEPROM The following messages are displayed according to the result of processing Writing failure Figure 40 Window of Writing failure Writing success Figure 41 W...

Страница 33: ...ement Result 1 DAC a Single ended LOUT1 ROUT1 LOUT2 ROUT2 R Open L Result Result Parameter Unit Lch1 Rch1 Lch2 Rch2 S N D 88 7 88 1 88 3 88 1 dB 0dBFS Input D Range 99 2 98 7 99 2 98 3 dB 60dB Input A...

Страница 34: ...4 86 3 86 5 86 3 dB 1dBFS Input D Range 95 1 95 0 95 1 95 0 dB 60dB Input A weighted S N 95 1 95 0 95 1 95 0 dB No Signal A weighted Open b Differential LOUT ROUT RL Result Parameter Unit Lch Rch S N...

Страница 35: ...40 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 42 FFT 0dBFS Input AK4753 FFT LOUT1 ROUT1 fs 44 1kHz fin 1kHz 60dBFS Input External Slave Mode 140...

Страница 36: ...70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 44 FFT No Signal AK4753 THD N vs Input Level LOUT1 ROUT1 fs 44 1kHz fin 1kHz External Slave Mode 120 50 115 110 105 100 95 90...

Страница 37: ...5 90 85 80 75 70 65 60 55 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 46 THD N vs Input Frequency AK4753 Linearity LOUT1 ROUT1 fs 44 1kHz fin 1kHz EXT Slave Mode 140 0 130 120 110 100 90 80 7...

Страница 38: ...2 0 0 2 0 4 0 6 0 8 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 48 Frequency Response AK4753 Crosstalk LOUT1 ROUT1 fs 44 1kHz 0dBFS Input External Slave Mode 140 0 130 120 110 100 90 80 70 6...

Страница 39: ...0 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 50 FFT 0dBFS Input AK4753 FFT LOUT ROUT fs 44 1kHz fin 1kHz 60dBFS Input External Slave Mode 140 0 1...

Страница 40: ...70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 52 FFT No Signal AK4753 THD N vs Input Level LOUT ROUT fs 44 1kHz fin 1kHz External Slave Mode 120 50 115 110 105 100 95 90 8...

Страница 41: ...5 90 85 80 75 70 65 60 55 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 54 THD N vs Input Frequency AK4753 Linearity LOUT ROUT fs 44 1kHz fin 1kHz EXT Slave Mode 140 0 130 120 110 100 90 80 70...

Страница 42: ...0 4 0 2 0 0 2 0 4 0 6 0 8 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 56 Frequency Response AK4753 Crosstalk LOUT ROUT fs 44 1kHz 0dBFS Input External Slave Mode 140 0 130 120 110 100 90 80 7...

Страница 43: ...140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 58 FFT 1dBFS Input AK4753 FFT LOUT1 ROUT1 fs 44 1kHz fin 1kHz 60dBFS Input 140 0 130 120 110 100...

Страница 44: ...0 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 60 FFT No Signal AK4753 THD N vs Input Level LOUT1 ROUT1 fs 44 1kHz fin 1kHz 120 50 115 110 105 100 95 90 85 80 75 70 65 60...

Страница 45: ...90 85 80 75 70 65 60 55 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 62 THD N vs Input Frequency AK4753 Linearity LOUT1 ROUT1 fs 44 1kHz fin 1kHz 140 0 130 120 110 100 90 80 70 60 50 40 30 20...

Страница 46: ...1 4 1 2 1 0 8 0 6 0 4 0 2 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 64 Frequency Response AK4753 Crosstalk LOUT1 ROUT1 fs 44 1kHz 1dBFS Input 140 0 130 120 110 100 90 80 70 60 50 40 30 20...

Страница 47: ...140 0 130 120 110 100 90 80 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 66 FFT 1dBFS Input AK4753 FFT LOUT ROUT fs 44 1kHz fin 1kHz 60dBFS Input 140 0 130 120 110 100 90...

Страница 48: ...0 70 60 50 40 30 20 10 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 68 FFT No Signal AK4753 THD N vs Input Level LOUT ROUT fs 44 1kHz fin 1kHz 120 50 115 110 105 100 95 90 85 80 75 70 65 60 55...

Страница 49: ...90 85 80 75 70 65 60 55 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 70 THD N vs Input Frequency AK4753 Linearity LOUT ROUT fs 44 1kHz fin 1kHz 140 0 130 120 110 100 90 80 70 60 50 40 30 20 10...

Страница 50: ...6 1 4 1 2 1 0 8 0 6 0 4 0 2 d B r A 20 20k 50 100 200 500 1k 2k 5k 10k Hz Figure 72 Frequency Response AK4753 Crosstalk LOUT ROUT fs 44 1kHz 1dBFS Input 140 0 130 120 110 100 90 80 70 60 50 40 30 20 1...

Страница 51: ...ritical componentsNote1 in any safety life support or other hazard related device or systemNote2 and AKM assumes no responsibility for such use except for the use approved with the express written con...

Страница 52: ...1 5 Wednesday September 29 2010 J3 AINL J3 AINL 1 2 3 4 5 C4 1u C4 1u C7 10u C7 10u J4 ROUT1 J4 ROUT1 1 2 3 4 5 TEST2 LOUT TEST2 LOUT C11 OPEN C11 OPEN C1 10u C1 10u TEST3 ROUT TEST3 ROUT C8 OPEN C8...

Страница 53: ...VDD TEST30 DVDD TEST17 SCL TEST17 SCL R17 0 R17 0 TEST21 STO TEST21 STO TEST37 VSS2 TEST37 VSS2 JP1 SAIN1 JP1 SAIN1 TEST22 ROUT1 TEST22 ROUT1 C25 0 1u C25 0 1u JP2 SAIN2 JP2 SAIN2 TEST26 LOUT2 TEST26...

Страница 54: ...1A 1 3A 5 5A 11 5Y 10 3Y 6 1Y 2 2Y 4 4Y 8 6Y 12 6A 13 4A 9 2A 3 VCC 14 U4 AK4118A U4 AK4118A IPS0 RX4 1 NC 2 DIF0 RX5 3 TEST2 4 DIF1 RX6 5 VSS1 6 DIF2 RX7 7 IPS1 IIC 8 P SN 9 XTL0 10 XTL1 11 TVDD 13 N...

Страница 55: ...F4550 TQFP 44 PIN U7 PIC18F4550 RC7 RX DT SDO 1 RD4 SPP4 2 RD5 SPP5 P1B 3 RD6 SPP6 P1C 4 RD7 SPP7 P1D 5 VSS0 6 VDD0 7 RB0 AN12 INT0 FLT0 SDI SDA 8 RB1 AN10 INT1 SCK SCL 9 RB2 AN8 INT2 VMO 10 RB3 AN9 C...

Страница 56: ...C61 open JP13 AVDD JP13 AVDD J12 TJ 563 BLACK J12 TJ 563 BLACK 1 TK73633AME T2 TK73633AME T2 NC 1 Vout 2 PCL 3 GND 4 NC 8 Vin 7 NC 5 Vcont 6 C57 0 1u C57 0 1u C60 open C60 open R55 open R55 open C59...

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