Analog Devices SHARC ADSP-21375 Скачать руководство пользователя

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3.3V

20 Cotton Road

Nashua, NH 03063

PH: 1-800-ANALOGD

Title

Size

Board No.

Date

Sheet

DEVICES

ANALOG

Rev

ADSP-21375 EZ-KIT Lite

A0202-2006

1.0A

3.3V

1A1

1A2

1A3

1A4

2A2

2A3

2A4

1Y1

1Y2

1Y3

1Y4

2Y1

2Y2

2A1

2Y4

2Y3

OE1

OE2

I0A

I0B

I0C

I0D

I1A

I1B

I1C

I1D

I0A

I0B

I0C

I0D

I1A

I1B

I1C

I1D

PFI

RESET

PFO

RESET

3.3V

RESET

POWER

RESET

ADM708

74LVC14A

IDT74FCT3244

LABEL "PB1"

LABEL "PB2"

LABEL "PB3"

LABEL "PB4"

ADG774A

SN74LVC1G08

Push Button Enable Switch

6-15-2007_13:43

SW7

DIP4
SWT018

SOIC14

U40

74LVC14A

SOIC14

U40

74LVC14A

SOIC14

U40

74LVC14A

10K
0402

R155

SOIC14

U40

74LVC14A

SOIC8

U23

ADM708SARZ

U25

QSOP16

ADG774ABRQZ

U24

QSOP16

ADG774ABRQZ

SOT23-5

U18

SN74LVC1G08

U40

SOIC14

74LVC14A

GREEN-SMT
LED001

LED9

SOIC14

U40

74LVC14A

R154

0402

10K

R169
330
0603

LED001

YELLOW

LED8

SSOP20

U37

IDT74FCT3244APY

0603

330

R168

MOMENTARY

SWT013

SW11

LED001

RED

LED10

YELLOW
LED001

LED1

LED001

YELLOW

LED2

YELLOW
LED001

LED3

YELLOW
LED001

LED4

YELLOW
LED001

LED5

LED001

YELLOW

LED6

LED7
YELLOW
LED001

C194
0.01UF
0402

RESET

ELVIS_SELECT

0603

330

R178

0603

330

R170

R171
330
0603

0603

330

R172

R177
330
0603

0603

330

R176

R163
330
0603

0603

330

R164

0603

R160

R159
10
0603

0603

R158

R157
10
0603

SWT013
MOMENTARY

SW12

MOMENTARY

SWT013

SW9

SWT013
MOMENTARY

SW10

SWT013
MOMENTARY

SW8

0402

100

R167

R166
100
0402

0402

100

R165

R179
100
0402

C200

0402

1UF

1UF
0402

C199

C198

0402

1UF

1UF
0402

C197

10K
0402

R153

R152

0402

10K

10K
0402

R162

0402

0.01UF

C193

R156

0402

10K

10K
0402

R161

10K
0402

R173

10K
0402

R174

10K
0402

R175

PUSHBUTTONS, LEDS, & RESET

C195
0.01UF
0402

0402

0.01UF

C202

0402

0.01UF

C196

0402

0.01UF

C201

Содержание SHARC ADSP-21375

Страница 1: ...ADSP 21375 EZ KIT Lite Evaluation System Manual Revision 1 1 September 2007 Part Number 82 000940 02 Analog Devices Inc One Technology Way Norwood Mass 02062 9106 a...

Страница 2: ...hout prior notice Information furnished by Analog Devices is believed to be accurate and reliable However no responsibility is assumed by Analog Devices for its use nor for any infringement of patents...

Страница 3: ...mark The ADSP 21375 EZ KIT Lite has been appended to Analog Devices Inc Technical Construction File TCF referenced DSPTOOLS1 dated December 21 1997 and was awarded CE Certification by an appointed Eu...

Страница 4: ......

Страница 5: ...Customer Support xv Supported Processors xv Product Information xvi MyAnalog com xvi Processor Product Information xvi Related Documents xvii Online Technical Documentation xviii Accessing Documentati...

Страница 6: ...rictions 1 7 External Memory 1 7 ELVIS Interface 1 9 Analog Audio 1 10 LEDs and Push Buttons 1 11 Example Programs 1 13 Background Telemetry Channel 1 13 ADSP 21375 EZ KIT LITE HARDWARE REFERENCE Syst...

Страница 7: ...on Switch SW13 2 14 AD1835A and Flash Disconnect Switch SW15 2 15 LEDs and Push Buttons 2 15 General Purpose LEDs LED1 8 2 16 Power LED LED9 2 16 Reset LED LED10 2 16 USB Monitor LED ZLED3 2 16 Push B...

Страница 8: ...JTAG Header ZP4 2 25 ADSP 21375 EZ KIT LITE BILL OF MATERIALS ADSP 21375 EZ KIT LITE SCHEMATIC Title Page B 1 ADSP 21375 Processor B 2 ADSP 21375 Processor 2 B 3 Memory B 4 Analog Audio B 5 Audio Out...

Страница 9: ...s SHARC processors represents today s de facto standard for floating point processing targeted toward premium audio applications The evaluation system is designed to be used in conjunction with the Vi...

Страница 10: ...tors and processor development tools go to http www analog com dsp tools L The ADSP 21375 EZ KIT Lite installation is part of the Visu alDSP installation The EZ KIT Lite is a licensed product that off...

Страница 11: ...versal asynchronous receiver transmitter UART D ADM3202 RS 232 driver receiver D DB9 female connector National Instruments Educational Laboratory Virtual Instrumen tation Suite ELVIS Interface D LabVI...

Страница 12: ...MB of SDRAM which can be used at runtime or from which code can be executed The DAI port of the processor connects to the AD1835A audio codec and an external phase lock loop PLL The DAI interface faci...

Страница 13: ...igns Intended Audience The primary audience for this manual is a programmer who is familiar with Analog Devices processors This manual assumes that the audience has a working knowledge of the appropri...

Страница 14: ...the EZ KIT Lite board Appendix B ADSP 21375 EZ KIT Lite Schematic on page B 1 Provides the resources to allow modifications to the EZ KIT Lite or to use as a reference design L Appendix B now is part...

Страница 15: ...port analog com E mail processor questions to processor support analog com World wide support processor europe analog com Europe support processor china analog com China support Phone questions to 1 8...

Страница 16: ...ducts you are interested in You can also choose to receive weekly e mail notifications containing updates to the Web pages that meet your interests MyAnalog com provides access to books application no...

Страница 17: ...ardware see these publications Table 1 Related Processor Publications Title Description ADSP 21375 266 MHz High Performance SHARC Processor Preliminary Data Sheet General functional description pinout...

Страница 18: ...ged C library and Flexible License Manager FlexLM network license manager software documentation You can easily search across the entire VisualDSP documentation set for any topic of interest For easy...

Страница 19: ...cumentation From Windows In addition to any shortcuts you may have constructed there are many ways to open VisualDSP online Help or the supplementary documenta tion from Windows Help system files chm...

Страница 20: ...agement software such as Win Zip to decompress downloaded files Printed Manuals For general questions regarding literature ordering call the Literature Center at 1 800 ANALOGD 1 800 262 5643 and follo...

Страница 21: ...mple Description Close command File menu Titles in reference sections indicate the location of an item within the VisualDSP environment s menu system for example the Close command appears on the File...

Страница 22: ...lt if A Caution identifies conditions or inappropriate usage of the product that could lead to undesirable results or product damage In the online version of this book the word Caution appears instead...

Страница 23: ...1 3 Shows the default configuration of the ADSP 21375 EZ KIT Lite Installation and Session Startup on page 1 5 Instructs how to start a new or open an existing ADSP 21375 EZ KIT Lite session using Vi...

Страница 24: ...ghlights the advantages of the Background Telemetry Channel feature of VisualDSP For information on the graphical user interface including the boot load ing target options and other facilities of the...

Страница 25: ...side your per sonal computer as a stand alone unit You do not have to open your computer case When removing the EZ KIT Lite board from the package handle the board carefully to avoid the discharge of...

Страница 26: ...ackage Be careful when handling the board to avoid the discharge of static electricity which may damage some components 2 Figure 1 1 shows the default jumper settings DIP switch connec tor locations a...

Страница 27: ...d in the VisualDSP Installation Quick Reference Card 1 Verify that the yellow USB monitor LED ZLED3 located near the USB connector is lit This signifies that the board is communicat ing properly with...

Страница 28: ...k Next 6 The Select Platform page of the wizard appears on the screen Ensure that the selected platform is ADSP 21375 EZ KIT Lite via Debug Agent Specify your own Session name for your session or acce...

Страница 29: ...aluation license for the first 90 days Once the initial unrestricted 90 day evaluation license expires 1 VisualDSP allows a connection to the ADSP 21375 EZ KIT Lite via the USB Debug Agent interface o...

Страница 30: ...r Hardware Reference includes ADSP 21375 An example program is included in the EZ KIT Lite installation directory to demonstrate the SDRAM setup The SPI flash memory connects to the SPI port of the pr...

Страница 31: ...s ELVIS Interface The ADSP 21375 EZ KIT Lite board contains the National Instruments Educational Laboratory Virtual Instrumentation Suite interface The interface features the DC voltage and current me...

Страница 32: ...ins of the processor Using one of the pins to generate the MCLK as opposed to the on board oscillator allows synchronization of multiple devices in the system It is possible to disable the on board au...

Страница 33: ...user LEDs and four gen eral purpose push buttons Two of the general purpose push buttons are attached to the FLAG pins of the processor while the other two are attached to the DAI pins All of the push...

Страница 34: ...re Reference includes ADSP 21375 L An example program is included in the EZ KIT Lite installation directory to demonstrate the functionality of the LEDs and push buttons Table 1 2 Push Button Connecti...

Страница 35: ...tion Background Telemetry Channel The ADSP 21375 USB debug agent supports the background telemetry channel BTC which facilitates data exchange between VisualDSP and the processor without interrupting...

Страница 36: ...Background Telemetry Channel 1 14 ADSP 21375 EZ KIT Lite Evaluation System Manual...

Страница 37: ...nents interface with the processor Switch Settings on page 2 9 Shows the location and describes the function of the board switches LEDs and Push Buttons on page 2 15 Shows the location and describes t...

Страница 38: ...core is powered at 1 2V and the IO is powered at 3 3V Figure 2 1 System Architecture Block Diagram ADSP 21375 DSP SRAM USB Connector EZ USB FX JTAG Header Power Regulation PBs 4 JTAG Port A5V 7 0V Con...

Страница 39: ...es the boot mode of the processor The EZ KIT Lite is capable of EPROM flash boot and SPI boot By default the EZ KIT Lite boots from the flash memory For information about configuring the boot modes se...

Страница 40: ...r output an external phase lock loop PLL circuit two LEDs and two push buttons Figure 2 2 illustrates the EZ KIT Lite s connections to the DAI Figure 2 2 DAI Connections Block Diagram PB_3 PB_4 4x2 RC...

Страница 41: ...found in ADSP 21375 EZ KIT Lite Schematic on page B 1 DPI Interface The digital peripheral interface DPI pins connect to a second signal routing unit of the processor SRU2 The SRU2 unit similar to th...

Страница 42: ...he respective LED turn ON and OFF when using the signal elsewhere on the board All of the DPI signals are available externally via the expansion interface connectors J1 3 as well as the 0 1 spaced hea...

Страница 43: ...rated by PLL connects to the processor via DAI pin 2 Example programs are included in the EZ KIT Lite installation directory to demonstrate how to configure and use the board s external PLL Expansion...

Страница 44: ...JTAG emulation port allows an emulator to access the internal and external memory of the processor through a 6 pin interface The JTAG emulation port of the processor also connects to the USB debugging...

Страница 45: ...Manual 2 9 ADSP 21375 EZ KIT Lite Hardware Reference Switch Settings This section describes the function of the EZ KIT Lite switches Figure 2 4 shows the switch locations and default settings Figure 2...

Страница 46: ...sixteen setting the core clock to 262 144 MHz The core clock frequency can be increased or decreased via software by writing to the PMCTL register For more information on changing the core clock freq...

Страница 47: ...the DAI_P17 pin to DAI_P6 in software to clock the AD1835A codec SW3 position 3 determines if the AD1835A device is a master or a slave If the AD1835A is a master the device s serial interface generat...

Страница 48: ...connects UART signals from the DPI pins of the processor When the switch is OFF the associated DPI signal see Table 2 5 can be used on the expansion interface Loop Back Test Switches SW6 and SW14 The...

Страница 49: ...ermines which audio cir cuit signals connect to channels A and B of the oscilloscope The switch is used only when the board connects to the Educational Laboratory Virtual Instrumentation Suite ELVIS s...

Страница 50: ...el must have only one signal selected at a time as described in Table 2 8 B 6 OFF AMP_RIGHT_IN B 7 OFF LEFT_OUT B 8 OFF RIGHT_OUT 1 Bold typeface denotes the default settings Table 2 8 ELVIS Function...

Страница 51: ...ts the follow ing signals DPI4_SPI_AD1835_CS DAIP8_ADC_LRCLK and DPI5_SPI_FLASH_CS The switch is used only for expansion interface pur poses by default the switch positions 1 3 are ON and position 4 i...

Страница 52: ...udes ADSP 21375 Power LED LED9 When LED9 is lit green it indicates that power is being supplied to the board properly Reset LED LED10 When LED10 is lit red the master reset of all the major ICs is act...

Страница 53: ...nding processor pins refer to Push Button Enable Switch SW7 on page 2 13 for more information The push buttons and corresponding processor signals are summarized in Table 2 9 Board Reset Push Button S...

Страница 54: ...Jumpers 2 18 ADSP 21375 EZ KIT Lite Evaluation System Manual Jumpers Figure 2 7 shows the locations and default settings of the EZ KIT Lite jumpers Figure 2 7 Jumper Locations...

Страница 55: ...ed in half The jumper settings are shown in Table 2 10 ELVIS Select Jumper JP2 The ELVIS select jumper JP2 configures the EZ KIT Lite s connection to an ELVIS station see ELVIS Interface on page 1 9 W...

Страница 56: ...d potential damage to the EZ KIT Lite board and ELVIS unit ELVIS Programmable Flag Jumper JP4 The ELVIS programmable flag jumper JP4 connects the ADSP 21375 processor s DAI4 pin to the ELVIS trigger p...

Страница 57: ...m Manual 2 21 ADSP 21375 EZ KIT Lite Hardware Reference Connectors This section describes the connector functionality and provides informa tion about mating connectors Figure 2 8 shows the connector l...

Страница 58: ...In RCA Connector J10 Audio Out RCA Connector J5 Part Description Manufacturer Part Number 90 position 0 05 spacing SMT SAMTEC SFC 145 T2 F D A Mating Connectors 90 position 0 05 spacing through hole S...

Страница 59: ...e power supply specifications Mating Cable Two channel RCA interconnect cable MONSTER CABLE BI100 1M Part Description Manufacturer Part Number 3 5 mm stereo jack A D ELECTRONICS ST 323 5 Part Descript...

Страница 60: ...to all of the DAI signals in the from of a 1 spacing header When using the header to access the DAI pins of the processor ensure that signals which normally drive the DAI pins are disabled Refer to C...

Страница 61: ...it emulator pod When an emulator connects to the JTAG header the USB debug interface is disabled L Pin 3 is missing to provide keying Pin 3 in the mating connector should have a plug L When using an e...

Страница 62: ...Connectors 2 26 ADSP 21375 EZ KIT Lite Evaluation System Manual...

Страница 63: ...DT74FCT3244 APY SSOP20 U37 IDT IDT74FCT3244APYG 3 1 12 288MHZ OSC003 U1 DIGI KEY SG 8002CA PCC ND 12 288M 4 1 LT1765SOIC8 VR1 LINEAR TECH LT1765ES8 PBF 5 1 GTL2002 TSSOP8 U39 PHILIPS GTL2002DP T 6 1 L...

Страница 64: ...3202ARNZ 18 8 AD8606ARZ SOIC8 U8 15 ANALOG DEVICES AD8606ARZ 19 1 AD1835AASZ MQFP52 U31 ANALOG DEVICES AD1835AASZ 20 2 AD623ARMZ USOIC8 U5 6 ANALOG DEVICES AD623ARMZ 21 2 AD820ARZ SOIC8 U33 34 ANALOG...

Страница 65: ...15 ITT TDA04HOSB1 33 1 DB99PINDB9F J6 AMP TYCO 5745781 4 34 1 RCA RCA_1X2 CON031 J10 SWITCHCRAFT PJRAS1X2S02X 35 4 IDC 2X1 IDC2X1 JP1 4 FCI 90726 402HLF 36 1 IDC 7X2 IDC7X2 ZP4 FCI 68737 414HLF 37 1 I...

Страница 66: ...VISHAY SSB43L 49 4 1UF 16V 10 0805 C204 C207 209 PANASONIC ECJ2FB1E105K 50 1 249 0K 1 10W 1 0805 R189 VISHAY CRCW0805249KFKE A 51 1 124 0K 1 10W 1 0805 R188 VISHAY CRCW0805 124KFKE A 52 2 10UF 25V 80...

Страница 67: ...C59 65 C68 74 C78 83 C86 87 C90 C93 C100 C173 175 C177 178 C183 184 C188 C190 196 C201 202 AVX 0402YC103KAT2A 62 25 10K 1 16W 5 0402 R5 R9 10 R19 26 R32 34 R132 R152 156 R161 162 R173 175 VISHAY CRCW0...

Страница 68: ...080564K9FKE A 74 2 210 0K 1 4W 1 0805 R191 R193 VISHAY CRCW0805210KFKE A 75 2 0 1UF 16V 10 0603 C187 C189 AVX 0603YC104KAT2A 76 1 1UF 16V 10 0603 C179 PANASONIC ECJ 1VB1C105K 77 2 4 7UF 25V 20 0805 C2...

Страница 69: ...0603 R108 109 R122 123 DIGI KEY 311 237HRTR ND 89 2 750 0K 1 10W 1 0603 R110 R116 DIGI KEY 311 750KHRTR ND 90 11 11 0K 1 10W 1 0603 R39 40 R50 R58 R73 R81 R86 R97 R102 R115 R144 DIGI KEY 311 11 0KHRTR...

Страница 70: ...40 C155 C161 C166 167 AVX 06035A101JAT2A 101 4 1000PF 50V 5 0603 C156 157 C164 165 PANASONIC ECJ 1VC1H102J 102 1 33PF 50V 5 0603 C225 AVX 06035A330JAT2A 103 1 47 5K 1 10W 1 0603 R183 DIGI KEY 311 47 5...

Страница 71: ...05FKE D 113 1 232 0 1 16W 1 0603 R129 DIGI KEY 311 232HRTR ND 114 2 301 0 1 16W 1 0603 R105 106 DIGI KEY 311 301HRTR ND 115 1 24 9K 1 10W 1 0603 R17 DIGI KEY 311 24 9KHTR ND 116 1 47UF 6 3V 10 B CT5 P...

Страница 72: ...1375 EZ KIT Lite Evaluation System Manual 123 1 80 6K 1 10W 1 0603 R181 DIGI KEY 311 80 6KHRCT ND 124 1 6 8UH 25 IND009 L3 DIGI KEY 308 1328 1 ND Ref Qty Description Reference Designator Manufacturer...

Страница 73: ...0 Cotton Road Nashua NH 03063 A B C D 4 3 2 1 PH 1 800 ANALOGD C Title Size Board No Date Sheet of DEVICES ANALOG Rev ADSP 21375 EZ KIT Lite A0202 2006 1 0A Schematic ADSP 21375 EZ KIT Lite 6 15 2007_...

Страница 74: ...DIP4 SWT018 SW2 DAIP2_PLLMCLK_OUT 199 200 198 197 196 195 190 189 187 186 185 184 178 176 177 175 149 147 148 145 146 144 143 137 136 135 134 132 131 130 125 133 183 188 80 81 U44 ADSP 21375KSZ MQFP2...

Страница 75: ...5 R3 R4 R7 R8 C21 C38 ONLY NEEDED FOR 21371 HEADER 6 15 2007_13 43 3 13 C22 0 01UF 0402 C6 0 01UF 0402 C28 0 01UF 0402 C7 0 01UF 0402 C8 0 01UF 0402 C9 0 01UF 0402 C10 0 01UF 0402 C11 0 01UF 0402 VDDE...

Страница 76: ...39 23 TSOP40 AM29LV081B U35 MS1 FLASH_CS DPI2_MISO DPI3_SPICLK 0 01UF 0402 C18 DNP 0 01UF 0402 C19 DNP C20 0402 0 01UF DNP C100 0402 0 01UF DNP C93 0402 0 01UF DNP C90 0402 0 01UF DNP C87 0402 0 01UF...

Страница 77: ...5 AD1835 AD1835 DAC4 OUT J9 IN J10 13 5 6 15 2007_13 43 2 3 1 4 5 6 7 8 DIP4 SWT018 SW15 DAIP8_ADC_LRCLK ADC_LRCLK DAIP14_DAC_LRCLK ADC_LRCLK 2 3 1 4 5 6 7 8 DIP4 SWT018 SW3 AD1835_CS FLASH_CS DPI5_SP...

Страница 78: ...604 0 R65 1 65K 0603 R64 220PF 0603 C89 R38 0603 2 74K 5 49K 0603 R37 C111 0805 10UF 1 65K 0603 R60 AUDIO_VREF_DAC R57 3 32K 0603 R61 0603 2 74K AUDIO_VREF_DAC R52 0603 1 65K 0603 3 32K R49 49 9K 060...

Страница 79: ...1 65K 0603 R88 5 49K 0603 R87 R89 0603 2 74K R95 0603 1 65K AUDIO_VREF_DAC 2 74K 0603 R98 0603 3 32K R94 49 9K 0603 R91 2200PF 0603 C137 220PF 0603 C136 100PF 0603 C132 680PF 0603 C135 330PF 0603 C13...

Страница 80: ...3 R116 750 0K 0603 7 5 6 U13 SOIC8 AD8606ARZ 0603 100PF C155 237 0 R109 0603 0603 1000PF C157 0603 1000PF C156 0603 301 0 R106 R114 5 49K 0603 R113 5 49K 0603 C158 680PF 0603 0603 680PF C160 0603 100P...

Страница 81: ...12 8 9 14 10 7 6 2 11 U32 SOIC16 ADM3202ARNZ 2 1 CON012 J8 DNP 0 01UF 0402 C174 DNP C175 0402 0 01UF DNP C185 0805 0 22UF DNP R140 0603 15 0K DNP C184 0402 0 01UF DNP SOIC8 U2 SN65LVDS2D DNP 0402 22 R...

Страница 82: ...VIS Programmable Flag Jumper 13 10 6 15 2007_13 43 8 1 2 7 3 6 5 4 16 15 14 13 12 11 10 9 SW1 SWT016 DIP8 1 10 11 12 2 3 4 5 6 7 8 9 SW13 SWT017 DIP6 3 2 6 U33 SOIC8 AD820ARZ 6 2 3 U34 SOIC8 AD820ARZ...

Страница 83: ..._SW1 RS_P3 RS_P2 RS_P1 RS_P0 GREEN SMT LED001 LED9 8 9 SOIC14 U40 74LVC14A R154 0402 10K R169 330 0603 LED001 YELLOW LED8 2 4 6 8 13 15 17 18 16 14 12 9 7 11 3 5 1 19 SSOP20 U37 IDT74FCT3244APY 0603 3...

Страница 84: ...LMCLK_IN DPI5_SPI_FLASH_CS DPI4_SPI_AD1835_CS DPI5_SPI_FLASH_CS DPI4_SPI_AD1835_CS ACK MS0 MS2_FLAG2_IRQ2 MS3_FLAG3_IRQ3_LED8 MS2_FLAG2_IRQ2 CLKOUT DPI14_LED5 DPI11_UART0_RTS DPI12_UART0_CTS DPI13_LED...

Страница 85: ...0603 C5 470PF 0603 R17 24 9K 0603 L3 6 8UH IND009 C66 10UF 0805 DNP VDDEXT_SHUNT TP1 CT5 47UF B CT3 100UF C 0805 4 7UF C217 47 5K R183 0603 2200PF C219 0603 0 18UF C218 0805 D2 100MA CMDSH 3 SOD 323...

Страница 86: ...10 2 22 interface xi 1 10 oscillators 2 4 2 11 out RCA connector J5 2 22 B background telemetry channel BTC 1 13 bill of materials A 1 board schematic ADSP 21375 B 1 boot configuration pins BOOTCFG1 0...

Страница 87: ...2 DPI14 13 pins 1 12 2 7 DPI2 1 MOSI 0 pins 1 8 2 7 DPI3 SPI clock pins 1 8 2 7 DPI4 pins 1 10 2 7 DPI5 chip select pins 1 8 2 7 DPI8 6 pins 1 12 2 7 E electret microphone 1 11 2 12 ELVIS Educational...

Страница 88: ...14 LEFT_OUT signals 2 13 2 14 license restrictions 1 7 loop back test switches SW6 SW14 2 12 M M2 0 memory select pins 1 8 master input clock MCLK 1 10 MS3 memory select pins 1 8 1 12 N notation conve...

Страница 89: ...h 2 15 SW1 oscilloscope switch 2 13 SW2 boot mode select switch 2 3 2 6 2 10 SW3 AD1835A codec switch 2 5 2 11 SW4 microphone switch 1 11 2 12 SW6 test switch 2 12 SW7 push button enable DIP switch 1...

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