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ADC: Differential input to digital audio output

SLAU738 – September 2017

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TLV320AIC3109-Q1 Configuration Scripts

H.5

ADC: Differential input to digital audio output

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Differential input to digital output

# IN1P/IN1M input selected

# On-board Microphone connected to the ADC block

# PGA = 0dB; ADC volume = 0dB

# I2S, 16-bits, fs = 44.1KHz

# MCLK = 11.2896MHz; BCLK = 2.8224MHz; WCLK = 44.1KHz

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# Page 0 selected

w 30 00 00

# Software Reset

w 30 01 80

# fs(ref) setting

w 30 07 80

# High-pass filter selected, fc = 0x0045 * ADC_fs

w 30 0C 40

# IN1P routed to ADC (0dB); ADC powered up

w 30 13 84

# PGA unmuted, 0dB

w 30 0f 00

Содержание TLV320AIC3109EVM-K

Страница 1: ...struments Web site at www ti com Table 1 EVM Compatible Device Data Sheets Device Literature Number TLV320AIC3109 Q1 SLASE93 TPS73533 Q1 SBVS252 TAS1020B SLES025 Contents 1 EVM Overview 3 2 EVM Descri...

Страница 2: ...09EVM Assembly Layer 40 34 TLV320AIC3109EVM Top Layer 40 35 TLV320AIC3109EVM Ground Layer 41 36 TLV320AIC3109EVM Power Layer 41 37 TLV320AIC3109EVM Bottom Layer 42 38 TLV320AIC3109EVM Bottom Assembly...

Страница 3: ...includes the TLV320AIC3109EVM and a USB based motherboard called the USB MODEVM Interface board The TLV320AIC3109EVM K is operational with one USB cable connection to a personal computer The USB conn...

Страница 4: ...nd outputs and analog power supply regulator are located in the left side of the board while the right side of the board has all the digital signals like the I C lines digital audio signals and onboar...

Страница 5: ...complished using the onboard USB controller device the TAS1020B Provision is made however for driving all the data buses I2 C SPI I2 S AC97 externally The source of these signals is controlled by SW2...

Страница 6: ...tor on IN2P for DC measuring purposes only J14 Open When installed shorts across the input AC coupling capacitor on IN1M for DC measuring purposes only J15 Open When installed shorts across the input...

Страница 7: ...J14 6 USB SPI SPI Bus Source Selection ON SPI Bus connects to TAS1020 OFF SPI Bus connects to USB MODEVM J15 7 USB RST RST Source Selection ON EVM Reset Signal comes from TAS1020 OFF EVM Reset Signal...

Страница 8: ...either internal mic bias of the audio codec or an external source connected to J6 Details about the location of the analog inputs of the TLV320AIC3109EVM are shown in Figure 4 2 2 2 Analog Output The...

Страница 9: ...adphone Output Terminal Headers to set CAPLESS or AC Coupled HP Output Terminal Left and Right Line Output Terminals Out of Band Noise Low Pass Filter Low Pass Filter for Measuring HP Output Micbias S...

Страница 10: ...with hardware reset signal from the motherboard is provided This is useful so the user can perform a hardware reset for the audio codec from the GUI without any board modification The digital section...

Страница 11: ...6 Vdc to 10 Vdc AC DC external wall supply not included Lab power supply When powered from the USB connection JMP6 should have a shunt from pins 1 2 this is the default factory configuration When powe...

Страница 12: ...VM is installed on the USB MODEVM Interface board aligning J1 J2 J3 J4 and J5 with the corresponding connectors on the USB MODEVM 2 Verify that the jumpers and switches are in their default conditions...

Страница 13: ...GUI Signal Name Relation Name TLV320AIC3104 GUI TLV320AIC3109EVM Left ADC ADC Right ADC not used Left DAC DAC Right DAC not used Left AGC AGC Right AGC not used IN1L LINE1L IN1 LINE1 IN1R LINE1R IN2...

Страница 14: ...erly configured the main window of the TV320AIC310x GUI appears Figure 8 shows the default screen of the GUI The sections that are shaded in the following captures of the TLV320AIC3104 GUI are not ava...

Страница 15: ...e by pushing the Hardware Reset button CAUTION In order to perform a hardware reset the RESET jumper JMP19 must be installed and SW2 7 on the USB MODEVM must be turned OFF Failure to do either of thes...

Страница 16: ...phone bias that can either be powered down or set to 2 V 2 5 V or the power supply voltage of the ADC AVDD_ADC Control of the microphone bias mic bias voltage is accomplished by using the Mic Bias pul...

Страница 17: ...e passive analog bypass paths allow the inputs to be routed straight through the device to the outputs without turning on any of the internal circuitry This provides a signal path through the device w...

Страница 18: ...WCLK as being either inputs or outputs With the codec configured in Slave mode both the BCLK and WCLK are set to inputs If the codec is in Master mode then BCLK and WCLK are configured as outputs Addi...

Страница 19: ...which allow operation from the USB MODEVM clock reference the EVM settings can be restored automatically by pushing the Load EVMS Clock Settings button at the bottom of this tab Note that changing an...

Страница 20: ...input frequency and desired Fsref 1 Verify the correct reference frequency is entered into the PLLCLK_IN Source box in megahertz MHz 2 The desired Fsref should be set using the Fsref switch 3 Push the...

Страница 21: ...he TLV320AIC3109 Q1 allows for the Attack and Decay times of the AGC to be set up in two different modes standard and advanced The AGC Settings button determines the mode selection The Standard mode p...

Страница 22: ...and DAC The ADC has optional high pass filtering and allows the digital output from the ADC through digital effects filtering before exiting the codec through the PCM interface Likewise the digital au...

Страница 23: ...ieve a different filter than provided by the preset filters The controls for the programmable high pass filter are located under the Programmable Filters heading The process should use the following s...

Страница 24: ...cted using the check boxes shown in the Figure 17 tab The De emphasis filters are described in TLV320AIC3109 Q1 Automotive Low Power 96 kHz Mono Audio Codec and their coefficients may be changed When...

Страница 25: ...igure 20 Enter a gain bandwidth and a center frequency Fc Either bandpass positive gain or band reject negative gain filters can be created Figure 20 EQ Filters 4 8 3 3 Analog Simulation Filters Biqua...

Страница 26: ...s common for certain types of program material The Preset Filters tab as shown in Figure 22 allows selection of one of four preset filter responses Rock Jazz Classical or Pop Figure 22 Preset Filters...

Страница 27: ...settings To use this effect properly make sure the appropriate coefficients are already loaded into the two biquad sections The User Filters tab may be used to load the coefficients Figure 24 shows t...

Страница 28: ...mon mode voltage can be set on this tab with the Weak Output CM Voltage Source drop down Choices for the source are either a resistor divider off the AVDD_DAC supply or a bandgap reference Refer to TL...

Страница 29: ...uts tab for the high power outputs If the DAC is to be routed directly to either the Line or HP outputs these can be selected as choices in the Output Path control Note that if the Line or HP outputs...

Страница 30: ...the HPOUT output In these complementary configurations the HPCOM output can be selected as Differential of HPOUT signal to the HPOUT output or may be set to be a common mode voltage Constant VCM Out...

Страница 31: ...oading a script file When executed the return packets of data which result from each command is displayed in the Read Data array control When executing several commands the Read Data control shows onl...

Страница 32: ...File Menu Under the Help menu is an About menu item which displays information about the TLV320AIC3109EVM software The actual USB protocol used as well as instructions on writing scripts are detailed...

Страница 33: ...J1 5 LINE1M MIC1 or LINE1 analog input minus or multifunctional J1 6 LINE1P MIC1 or LINE1 analog input plus or multifunctional J1 7 LINE2M MIC2 or LINE2 analog input minus or multifunctional J1 8 LIN...

Страница 34: ...nalog Screw Terminal Details J1 5 and J8 12 In addition to the analog headers the analog inputs and outputs can also be accessed through alternate connectors either screw terminals or audio jacks The...

Страница 35: ...t connected J4 10 DGND Digital ground J4 11 NC Not connected J4 12 NC Not connected J4 13 NC Not connected J4 14 RESET Reset J4 15 NC Not connected J4 16 SCL I2 C serial clock J4 17 NC Not connected J...

Страница 36: ...however the device is connected only to J4 A 3 Power Supply Connector Pin Header J3 J3 provides connection to the common power bus for the TLV320AIC3109EVM Power is supplied on the pins listed in Tabl...

Страница 37: ...6 IOVDD 7 SCL 8 SDA 9 MIC1P LINE1P 10 MIC1M LINE1M 11 MIC2P LINE2P 12 MIC2M LINE2M 13 MICDET 14 MICBIAS 15 NC 16 AVSS 17 DRVDD 18 NC 19 NC 20 DRVSS 21 HPCOM 22 HPOUT 23 DRVDD 24 AVDD 25 AVSS 26 LEFT_L...

Страница 38: ...IOVDD DRVDD J25 J26 J27 J24 3 3V REGULATOR J23 EEPROM Secondary Circuits TP8 DOUT TP7 DIN TP5 WCLK TP6 BCLK TP4 MCLK TP1 RESET TP2 SCL TP3 SDA RESET SDA SCL MCLK WCLK BCLK DOUT DIN USB MODEVM INTERFAC...

Страница 39: ...eptable Assembly Note ZZ1 These assemblies must comply with workmanship standards IPC A 610 Class 2 unless otherwise specified SH1 SH2 SH3 SH4 SH5 SH6 SH7 SH8 SH9 SH10 SH11 TLV320AIC3109 Q1 Evaluation...

Страница 40: ...ts Incorporated TLV320AIC3109EVM Layout Views Appendix C SLAU738 September 2017 TLV320AIC3109EVM Layout Views The board layouts for the modular TLV320AIC3109EVM are illustrated in Figure 33 through Fi...

Страница 41: ...dix C 41 SLAU738 September 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TLV320AIC3109EVM Layout Views Figure 35 TLV320AIC3109EVM Ground Layer Figure 36 TLV320AIC310...

Страница 42: ...42 SLAU738 September 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TLV320AIC3109EVM Layout Views Figure 37 TLV320AIC3109EVM Bottom Layer Figure 38 TLV320AIC3109EVM...

Страница 43: ...ader 10 Pos 5x2 Receptacle 100x100 mil Pitch 5x2 Receptacle 13 J6 J20 J21 3 ED555 2DS On Shore Technology Terminal Block 3 5mm Pitch 2x1 TH 7 0x8 2x6 5mm 14 J7 J22 2 TSW 103 07 G S Samtec Header 100mi...

Страница 44: ...Q1 Texas Instruments Low Power Mono Audio Codec for Automotive Applications RHB0032E VQFN 32 RHB0032E 30 C11 C12 0 0 1uF C2012X7R1H104K085AA TDK CAP CERM 0 1 F 50 V 10 X7R 0805 0805 31 FID1 FID2 FID3...

Страница 45: ...A PWR_DWN J10 EXT MCLK R20 75 3 3VD 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SW2 SW DIP 8 EXT MCK 2 4 1 3 J6 EXTERNAL I2C IOVDD SDA SCL 5VD R15 10K R16 10K 1 4 2 3 SW1 REGULATOR ENABLE VIN 3 VOUT 2 GND...

Страница 46: ...VCOM 15 AGND 17 AGND 19 J16 DAUGHTER ANALOG 1 8VD 3 3VD 1 8VD 3 3VD 1 2 3 JMP5 1 2 JMP3 1 2 JMP4 R2 2 7K R1 2 7K IOVDD 5VA 5VA 5VA MCLK BCLK LRCLK I2SDIN I2SDOUT MISO MOSI SS SCLK RESET P3 1 P3 2 PWR_...

Страница 47: ...xas Instruments Incorporated USB MODEVM Layout Views Appendix F SLAU738 September 2017 USB MODEVM Layout Views The USB MODEVM interface board layouts included only in the TLV320AIC3109EVM K are illust...

Страница 48: ...ix F www ti com 48 SLAU738 September 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated USB MODEVM Layout Views Figure 42 USB MODEVM Top Layer Figure 43 USB MODEVM Bottom...

Страница 49: ...p Capacitor 5 NPO TDK C1608C0G1H101J C21 1000pF 50V Ceramic Chip Capacitor 5 NPO TDK C1608C0G1H102J C15 0 1 F 16V Ceramic Chip Capacitor 10 X7R TDK C1608X7R1C104K C16 C17 0 33 F 16V Ceramic Chip Capac...

Страница 50: ...A J23A 10 pin SMT plug Samtec TSM 105 01 L DV P J133B J23B 10 pin SMT socket Samtec SSW 105 22 F D VS K J6 4 pin double row header 2x2 0 1 Samtec TSW 102 07 L D J134 J135 12 pin double row header 2x6...

Страница 51: ...e output Switch SW1 on AC COUPLED position DAC connected to headphone output through mixer path Mixer Gain 0dB Output amplifier gain 0dB AC coupled headphone configuration I2S 16 bits fs 44 1KHz MCLK...

Страница 52: ...ne output through mixer path Mixer Gain 0dB Output amplifier gain 0dB Capless headphone configuration I2S 16 bits fs 44 1KHz MCLK 11 2896MHz BCLK 2 8224MHz WCLK 44 1KHz Page 0 selected w 30 00 00 Soft...

Страница 53: ...hrough mixer path Mixer Gain 0dB Output amplifier gain 0dB I2S 16 bits fs 44 1KHz MCLK 11 2896MHz BCLK 2 8224MHz WCLK 44 1KHz Page 0 selected w 30 00 00 Software Reset w 30 01 80 fs ref setting and DA...

Страница 54: ...rd microphone to digital output Jumpers J7 and J8 in default position On board Microphone connected to the ADC block PGA 0dB ADC volume 0dB MICBIAS level 2 5V I2S 16 bits fs 44 1KHz MCLK 11 2896MHz BC...

Страница 55: ...digital audio output Differential input to digital output IN1P IN1M input selected On board Microphone connected to the ADC block PGA 0dB ADC volume 0dB I2S 16 bits fs 44 1KHz MCLK 11 2896MHz BCLK 2 8...

Страница 56: ...00001 bRequest 0x09 SET_REPORT wValue 0x00 don t care wIndex 0x03 HID interface is index 3 wLength calculated by host Data Data packet as described in Table 13 The data packet consists of the followin...

Страница 57: ...6 bit register address as found on parts like the TSC2101 Assume the register address command word is 0x10E0 0 0x14 1 0x10 Note the I2 C address now serves as MSB of reg addr 2 0x02 3 0xE0 4 0xAA 5 0x...

Страница 58: ...or some reason the interface fails for example the I2 C device does not acknowledge it would come back as 0 0x51 interface INTF_ERROR 1 0xA0 2 0x02 3 0x05 4 0xAA 5 0x55 If the request is malformed tha...

Страница 59: ...1 1 P1 0 Example write P3 5 to a 1 set all others to 0 0 0x18 write GPIO 1 0x00 this value is ignored 2 0x01 length ALWAYS a 1 3 0x00 this value is ignored 4 0x40 01000000 The user may also read back...

Страница 60: ...lay time may not be precise A series of byte values follows either a read or write command Each byte value is expressed in hexadecimal and each byte must be separated by a space Commands are interpret...

Страница 61: ...ed for general usage For more information go to http www jedit org Once the script is written it can be used in the command window by running the program and then selecting Open Command File from the...

Страница 62: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 63: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 64: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 65: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Страница 66: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Страница 67: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TLV320AIC3109EVM K...

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