manualshive.com logo in svg

Wolfson WM8973-EV1B, Руководство пользователя

Поделиться
Скачать
Wolfson WM8973-EV1B Скачать руководство пользователя страница 33

 

WM8973-EV1M 

w 

Rev 1.0, February 2005

 

 

33

 

 

WM8973-EV1B BILL OF MATERIAL 

DESCRIPTION 

REFERENCE QUANTITY 

74ALVC164245 16 Bit Dual Supply Bus Transceiver SSO 

U4 

1 

10uF 6.3 Dia 2.5 pitch Oscon Through Hole Cap. 16V 20% 

C5-6 C9 C18 C21 C23 C27 C29 
C38 C41 C48-49 C70-71 C78 

15 

1uF 4 Dia 2 pitch Oscon Through Hole Cap. 25V 20% 

C35 C57 

2 

220uF 10 Dia 5 pitch Oscon Through Hole Cap. 10V 20% 

C65-66 

2 

0.01uF 0805 SMD Ceramic Capacitor 50V X7R 

C46 

1 

0.1uF 0805 SMD Ceramic Capacitor 50V X7R 

C2-3 C8 C14-16 C20 C26 C30-33 
C37 C40 C43 C45 C51 C53-54 C56 
C58-60 C68 C80 

25 

1nF 0805 SMD Ceramic Capacitor 50V NPO 

C47 C55 

2 

1uF 0805 SMD Ceramic Capacitor 10V X7R 

C4 C17 C24 C39 C64 C72-75 C79 

10 

220pF 0805 SMD Ceramic Capacitor 50V X7R 

C1 C7 C13 C19 C22 C25 C34 C50 
C63 C67 C69 C76-77 C81-87 

20 

Unpop 0805 SMD Ceramic Capacitor site 

C10-12 C28 C36 C42 C44 C52 C62 

9 

4.7nF 1206 SMD Ceramic Capacitor 50V COG 

C61 

1 

3.5mm Jack Socket 6.5mm Centre Height 

J9 J16 J30 J46 

4 

2x4 2.54mm pitch PCB Pin Header VERTICAL 

J13 J15 J17 J21 

4 

2x6 2.54mm pitch PCB Pin Header VERTICAL 

H2 

1 

2x8 2.54mm pitch PCB Pin Header VERTICAL 

H1 

1 

36-way Centronics/IEE488 PCB mountable Connector 

J3 

1 

JSK9-16-G0 PCB 1x3 Jumper Switch 0.1" Center-off VERTICAL 

SW1-2 SW4-5 SW7-9 SW27-28 
SW36 

10 

4mm Non-Insulated Panel Socket 16A 

J1-2 J4-5 J8 J10 J47 

7 

Phono Socket PCB mount BLACK 

J29 J39-40 

3 

Phono Socket PCB mount  RED 

J7 J14 J26 J42-43 

5 

Phono Socket PCB mount  WHITE 

J12 J22 J41 J44-45 

5 

Phono Socket PCB mount  YELLOW 

J19 

1 

Unpop SMB Connector PCB Mount 

J48 

1 

CS8427 96KHz Audio Transceiver 

U5 

1 

DS1813 5V active Low Power-On-Reset chip SOT 

U2 

1 

0R 1206 Resistor on 1210 Inductor site 

L1-5 L8 L10 

7 

3.3uH 1210 Surface Mount Inductor '1210A series' 

L7 

1 

47uH 1210 Surface Mount Inductor 'PA series'  

L6 

1 

Unpop 1210 Surface Mount Inductor site 

L9 

1 

HSMY-C670 0805 SMD Chip LED YELLOW 

D1 

1 

1x2 PCB Pin Header 0.1" VERTICAL 

J6 J11 J18 J20 J23-25 J31-35 J37-
38 

14 

Slotted Panhead Screw - M3 thread; 12mm long 

SC1-4 

4 

Hexagonal brass M3 size spacer 20mm length 

P1-4 

4 

Plain M3 size washer 

W1-4 

4 

0R 0805 SMD chip resistor 1% 0.1W 

R4 R6 R8 R21 R60-62 R75 R78 
R80 R82 

11 

100K 0805 SMD chip resistor 1% 0.1W 

R43 

1 

100R 0805 SMD chip resistor 1% 0.1W 

R58-59 R63-64 R71-72 

6 

10K 0805 SMD chip resistor 1% 0.1W 

R48 R56-57 R65-66 

5 

1K2 0805 SMD chip resistor 1% 0.1W 

R5 R7 R9 R47 

4 

330R 0805 SMD chip resistor 1% 0.1W 

R15 

1 

47K 0805 SMD chip resistor 1% 0.1W 

R10 R18 R22-32 R36 R52 R67-70 

19 

4K7 0805 SMD chip resistor 1% 0.1W 

R11-13 

3 

5K6 0805 SMD chip resistor 1% 0.1W 

R1 R3 R16-17 R20 R35 R40-41 
R46 R51 R73-74 

12 

Содержание WM8973-EV1B

Страница 1: ...WM8973 EV1M Evaluation Board User Handbook Rev 1 0...

Страница 2: ...E DESCRIPTION 12 SOFTWARE DOWNLOAD 12 SOFTWARE INSTALLATION 12 SOFTWARE OPERATION 12 DOWER DOWN AND INTERFACE CONTROL 16 DAC AND ADC CONTROL 17 VOLUME CONTROL 18 MIXER CONTROL 19 TONE CONTROL 20 SCHEM...

Страница 3: ...WM8973 EV1M w Rev 1 0 February 2005 3 EVALUATION SUPPORT 44 IMPORTANT NOTICE 45 ADDRESS 45...

Страница 4: ...ing items are available from Wolfson WM8973 EV1B Evaluation Board 6097_QFN32_EV1_REV1 WM8973 EV1S Control Software download from http www wolfsonmicro com WM8973 EV1M User Handbook download from http...

Страница 5: ...options for inputting digital data into the WM8973 evaluation board There is a coaxial input J19 via a standard phono connector or an optical input U3 via a standard optical receiver module A direct...

Страница 6: ...nalogue signal MIC Input Analogue signals applied to these connectors are AC coupled before being input to the WM8973 Table 3 Analogue Inputs Note When used in Master Mode an SPDIF signal must still b...

Страница 7: ...ES Figure 1 Interfaces HEADERS H1 SIGNAL H2 SIGNAL 1 2 MCLK 12 11 GND 3 4 GND 10 9 ADCDAT 5 6 DACDAT 8 7 GND 7 8 GND 6 5 ADCLRC 9 10 DACLRC 4 3 GND 11 12 GND 2 1 BCLK 13 14 BCLK 15 16 GND J31 SIGNAL 1...

Страница 8: ...4 20 VREF 5 5 BCLK 5 21 VMID 6 6 DACDAT 6 22 MICBIAS 7 7 DACLRC 7 23 RINPUT3 HPDETECT 8 8 ADCDAT 8 24 LINPUT3 J21 WM8973 PIN NAME J13 WM8973 PIN NAME 1 9 ADCLRC 1 25 RINPUT2 2 10 MONOOUT 2 26 LINPUT2...

Страница 9: ...new settings after SW6 has been pressed and released SW3 DATA FORMAT 1 2 3 4 5 6 DATA FORMAT 1 0 0 1 0 0 I2S Compatible default setting 1 0 0 0 0 1 24 bit Right Justified 1 0 0 0 0 0 Left Justified SW...

Страница 10: ...E MODE To operate the WM8973 in 2 wire mode jumper switch SW4 must be set so that pins 2 and 3 are SHORT The 2 wire serial interface becomes active on pins 31 SDIN and 32 SCLK The serial interface on...

Страница 11: ...NGG 1 0 NGAT 000000000 R21 15h 0010101 Left ADC volume LAVU LADCVOL 7 0 011000011 R22 16h 0010110 Right ADC volume RAVU RADCVOL 7 0 011000011 R23 17h 0010111 Additional control 1 TSDEN VSEL 1 0 DMONO...

Страница 12: ...nload to your hard drive SOFTWARE INSTALLATION Once the zip file has been downloaded to install the software Open the zip file Double click on the setup exe file Follow the on screen installation inst...

Страница 13: ...d as a quick start approach Pressing either of these buttons will power up the DAC ADC or Line signal paths in a known state as described in the following pages Important The CS8427 SPDIF decoder IC w...

Страница 14: ...d 3 SHORT Line Input Select Phono Socket SW5 SW7 Pins 2 and 3 SHORT Line Input Select Phono Socket SW8 SW9 Pins 2 and 3 SHORT Line Input Select Phono Socket SW27 SW28 Pins 2 and 3 SHORT Line Output Se...

Страница 15: ...ins 2 and 3 SHORT Line Input Select Phono Socket SW27 SW28 Pins 2 and 3 SHORT Line Output Select Phono Socket Table 11 ADC Setup Jumper Setup Slave Mode LINE SUBMIT SETUP By pressing the Line Setup bu...

Страница 16: ...e SPI Control Mode SW1 SW2 Pins 2 and 3 SHORT Line Input Select Phono Socket SW5 SW7 Pins 2 and 3 SHORT Line Input Select Phono Socket SW8 SW9 Pins 2 and 3 SHORT Line Input Select Phono Socket SW27 SW...

Страница 17: ...C and ADC Control The DAC and ADC Control panel is used to control the many DAC and ADC related features of the WM8973 Pressing the ADC and DAC Submit button will cause the settings shown on this pane...

Страница 18: ...lume Submit button does not have to be pressed to update the output volume level but will only have an effect on the output if the Volume Update bits are set Once changes are made to the Volume Update...

Страница 19: ...many signal mixing options offered by the WM8973 The volume sliders update in real time i e the Mixer Submit button does not have to be pressed to update the mixer volume level Pressing the Mixer Sub...

Страница 20: ...te in the Power Down and Interface Control panel After the 3D Select setting has been made and written to the WM8973 the ADC and DAC should be powered up Once any of the WM8973 default settings are ch...

Страница 21: ...WM8973 EV1M w Rev 1 0 February 2005 21 SCHEMATIC LAYOUT Figure 13 Functional Diagram...

Страница 22: ...WM8973 EV1M w Rev 1 0 February 2005 22 Figure 14 Digital Input...

Страница 23: ...WM8973 EV1M w Rev 1 0 February 2005 23 Figure 15 Software Control...

Страница 24: ...WM8973 EV1M w Rev 1 0 February 2005 24 Figure 16 Level Shift...

Страница 25: ...WM8973 EV1M w Rev 1 0 February 2005 25 Figure 17 Analogue Input...

Страница 26: ...WM8973 EV1M w Rev 1 0 February 2005 26 Figure 18 WM8973...

Страница 27: ...WM8973 EV1M w Rev 1 0 February 2005 27 Figure 19 Analogue Output...

Страница 28: ...WM8973 EV1M w Rev 1 0 February 2005 28 Figure 20 Power...

Страница 29: ...WM8973 EV1M w Rev 1 0 February 2005 29 WM8973 EV1B PCB LAYOUT Figure 21 Top Layer Silkscreen...

Страница 30: ...WM8973 EV1M w Rev 1 0 February 2005 30 Figure 22 Top Layer...

Страница 31: ...WM8973 EV1M w Rev 1 0 February 2005 31 Figure 23 Bottom Layer...

Страница 32: ...WM8973 EV1M w Rev 1 0 February 2005 32 Figure 24 Bottom Layer Silkscreen...

Страница 33: ...Jumper Switch 0 1 Center off VERTICAL SW1 2 SW4 5 SW7 9 SW27 28 SW36 10 4mm Non Insulated Panel Socket 16A J1 2 J4 5 J8 J10 J47 7 Phono Socket PCB mount BLACK J29 J39 40 3 Phono Socket PCB mount RED...

Страница 34: ...W3 1 B3F1000 SPNO PCB mount switch SW6 1 1 32mm PCB Test Terminal BLACK TP1 TP5 9 6 1 32mm PCB Test Terminal RED TP2 4 3 Unpop 1 32mm PCB Test Terminal TP10 1 TORX176 Digirtal Audio Optical Receiver U...

Страница 35: ...he DSP and could result in damage to either or both devices In most cases the DSP supplies will be set around 3V for low power portable applications The inputs to the level shift IC 74ALVC164245 have...

Страница 36: ...The digital inputs to the WM8973 have a CMOS threshold i e Logic High min DBVDDx0 7 Logic Low max DBVDDx0 3 These are met directly by the level shift IC outputs The jumpers on H2 should also be remove...

Страница 37: ...shown in Figure 30 If the DSP is running at a higher voltage e g 5V than the WM8973 the signals from the DSP platform should be connected to test points TP2 CSB TP4 SDIN and TP3 SCLK Connecting the hi...

Страница 38: ...WM8973 EV1M w Rev 1 0 February 2005 38 Figure 30 Full DSP Control with Equal Voltage Supplies for DSP and WM8973 Figure 31 Full DSP Control with Higher Voltage DSP Supply than WM8973...

Страница 39: ...to be applied to L RLINE_IN1 passed through the ADC looped into the DAC and output on the L ROUT outputs MONO OUT OUT3 LOUT2 ROUT2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ROUT1 LOUT1 1 Figure 32 Recommended ADC...

Страница 40: ...t Select Phono Socket SW8 SW9 Pins 2 and 3 SHORT Line Input Select Phono Socket SW27 SW28 Pins 2 and 3 SHORT Line Output Select Phono Socket Table 14 Loopback Setup Jumper Settings Slave Mode SOFTWARE...

Страница 41: ...E IN1 RLINE IN2 LLINE IN2 RLINE IN3 LLINE IN3 OPT _IN SPDIF_ IN SPDIF_ OUT H2 J8 5V J10 DCVDD 1 42V to 3 6V J47 HPVDD 1 8V to 3 6V J24 1 J31 1 J23 1 J20 1 J25 1 J18 1 J37 1 J34 1 J38 1 J35 1 J32 1 J33...

Страница 42: ...34 and J35 SHORT OUT signals are DC coupled SW3 1 2 3 4 5 6 DATA FORMAT 1 0 0 1 0 0 I2S Compatible SW4 Pins 1 and 2 SHORT 3 wire SPI Control Mode SW1 SW2 Pins 2 and 3 SHORT Line Input Select Phono Soc...

Страница 43: ...ings HARDWARE SETUP 1 Designator R50 should be populated with a 0R resistor 2 Switch SW8 should be set to the OFF centre position 3 Designator R49 should be populated with a 47K resistor 4 Connect spe...

Страница 44: ...tion or require technical support please contact Wolfson Microelectronics Applications group through the following channels Email apps wolfsonmicro com Telephone Apps 44 131 272 7070 Fax 44 131 272 70...

Страница 45: ...to result in a significant injury to the user A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the l...

Страница 46: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Cirrus Logic WM8973L 6097 FL32 M WM8973L 6097 FL32 M S...

Отзывы:

Нет отзывов

Бренды по названию

Популярные бренды

Загрузить еще бренды