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evaluation board user guide ug - 194 one technology way ? p. o . box 9106 ? norwood, ma 02062 - 9106, u.s.a. ? tel: 781.329.4700 ? fax: 781.461.3113 ? www.analog.com evaluation board for the ade7953 single phase energy metering i c please see the last page for an important warning and legal terms and conditions . rev. a | page 1 of 20 general description the ade7953 evaluation kit includes two boards that together allow the performance of t he ade7953 single phase energy m e ter - ing ic to be evalu ated. the ade7953 evaluation kit includes evaluation software, written in labview ? , that provides access to the register s of t he ade7953 using a pc interface. th is document provides information about using the evaluation kit to evaluate t he ade7953 silicon . for detailed information about t he ade7953 ic, see t he ade7953 data sheet. ade7953 interface and evalua tion boards 09384-001 figure 1. interface board 09384-002 figure 2 . evaluation board
ug- 194 evaluation b oard user guide rev. a | page 2 of 20 table of contents general description ......................................................................... 1 ade7953 interface and evaluation boards .................................. 1 revision history ............................................................................... 2 evaluation board hardware ............................................................ 3 overview ........................................................................................ 3 powering up the evaluation board ............................................ 3 jumper configuration .................................................................. 3 installing the evaluation board software ...................................... 7 installing the drivers ................................................................... 7 installing the evaluation software ............................................. 8 running the evaluation software ............................................... 8 troubleshooting the launch ....................................................... 8 evaluation software functions ........................................................9 active energy .................................................................................9 reactive energy .......................................................................... 10 apparent energy ......................................................................... 10 waveform sampling ................................................................... 11 ade7953 interrupts ................................................................... 11 power quality ............................................................................. 11 read and write registers .......................................................... 12 access all registers .................................................................... 12 reset ............................................................................................. 13 trouble shooting .......................................................................... 13 evaluation board schematics ........................................................ 14 interface board schematics ........................................................... 16 revision history 1/13 rev. 0 to rev. a changes to table 1 ............................................................................ 3 changes to the installing the drivers section .............................. 7 changes to the installing the evaluation software section ........ 8 changes to the running the evaluation software section .......... 8 3 / 1 1 revision 0: initial version
evaluation board user guide ug- 194 rev. a | page 3 of 20 evaluation boa rd hardware overview the ade7953 evaluati on kit includes two boards that should be used together to evaluat e the silicon. the smaller board , named ade io interface board z ( the i nterface b oard) , consists of a n nxp lpc2368fbd100 microcontroller that handles all communications from the pc to t he ade7953 (see figure 1 ) . the larger board , named e va l - ade7953ebz ( the e v aluation b oard) , includes t he ade7953 energy metering ic, associated filtering , and isolation to allow high voltage inputs to be used (see figure 2 ) . the two boards should be connec ted together using the 25 - pin connector included in the evaluation kit. th e connector is labeled p2 on the interface board and p7 on the evaluation board. full schematics of t he ade7953 evaluation board and in terface board are provided in the evaluation board schematics section and the interface board schematic s section . powering up the eval uation board the ade7953 i nterface board receives power via the usb cable that is connected to the pc. no additional power source is req uired for the interface board. the ade7953 evaluation board requires a 3.3 v p ower supply. thi s power source suppl ies the non isolated side of the circuit , including t he ade7953 energy metering ic and associated circuitry. the 3.3 v supply should be provide d on p1. the isolated portion of the evaluation board is powered by the in terface board connection. jumper configuration table 1 describes the jumpers included on t he ade7953 evalua - tion board and the required settings for differe nt configurations. before connecting any high voltage signals , user s should review the jumper configuration and verify that it is c orrect for their specific set up. table 1 . jumper configuration jumper option description jp1a close d connects pin 1 of the channel ia pin connector (p2) to agnd. use this configuration in conjunction with jp3a and jp5a closed to short the iap pin of the ade7953 to agnd. open (default) pin 1 of the channel ia pin connector (p2) is left floating. use this configuration in normal operation to drive iap with analog signal. jp1b closed connects pin 1 of the channel ib pin connector (p3) to agnd. use this configuration in conjunction with jp3b and jp5b closed t o short the ibp pin of the ade7953 to agnd. open (default) pin 1 of the channel ib pin connector (p3) is left floating. use this configuration in normal operation to drive ibp with analog signal. jp2a close d connects pin 2 of the channel ia pin connector (p2) to agnd. use this configuration in conjunction with jp4a closed and jp6a open to short the ian pin of the ade7953 to agnd, which should be done when using a shunt current sensor. open (default) pin 2 of the channel ia pin connector (p2) is left floating. use this configuration when driving a differential input to ian, which should be done when using a current transformer or rogowski coil sensor. jp2b clos ed connects pin 2 of the channel ib pin connector (p3) to agnd. use this configuration in conjunction with jp4b closed and jp6b open to short the ibn pin of the ade7953 to agnd, which should be done wh en using a shunt current sensor . open (default) pin 2 of the channel ib pin connector (p3) is left floating. use this configuration when driving a differential input to ibn, which should be done when using a current transformer or rogowski coil sensor. jp3a clo sed disables the antialiasing filter (composed of r5 and c7 ) in the iap signal path. open (default) enables the antialiasing filter (composed of r5 and c7 ) in the iap signal path. jp3b closed disables the antialiasing filter (composed of r7 and c9 ) in t he ibp signal path. open (default) enables the antialiasing filter (composed of r7 and c9 ) in the ibp signal path. jp4a closed disables the antialiasing filter (composed of r6 and c8 ) in the ian signal path. open (default) enables the antialiasing fil ter (composed of r6 and c8 ) in the ian signal path. jp4b closed disables the antialiasing filter (composed of r8 and c10 ) in the ibn signal path. open (default) enables the antialiasing filter (composed of r8 and c10 ) in the ibn signal path. jp5a close d (default) disables the antialiasing filter (composed of r9 and c11 ) in the iap signal path. open enables the antialiasing filter (composed of r9 and c11 ) in the iap signal path.
ug- 194 evaluation b oard user guide rev. a | page 4 of 20 jumper option description jp5b closed (default) disables the antialiasing filter (composed of r11 a nd c13 ) in the ibp signal path. open enables the antialiasing filter (composed of r11 and c13 ) in the ibp signal path. jp6a closed (default) disables the antialiasing filter (composed of r10 and c12 ) in the ian signal path. open enables the antialiasi ng filter (composed of r10 and c12 ) in the ian signal path. jp6b closed (default) disables the antialiasing filter (composed of r12 and c14 ) in the ibn signal path. open enables the antialiasing filter (composed of r12 and c14 ) in the ibn signal path. jp7a closed connects pin 1 of the channel v pin connector (p4) to agnd. use this configuration in conjunction with jp8a closed to connect the vp pin of the ade7953 to agnd via 1 k? resistor r15. open (defaul t) pin 1 of the channel v pin connector (p4) is left floating. use this configuration in normal operation to drive vp with analog signal. jp8a closed disables the 1000:1 attenuator network (composed of r13, r14, r15, and r17 ) when jp8b is open. use this c onfiguration when using a low voltage signal source on the voltage channel . open (default) enables the 1000:1 attenuator network (composed of r13, r14, r15, and r17 ) when jp8b is closed. use this configuration when using a high voltage signal source on t he voltage channel . jp8b closed (default) enables the 1000:1 attenuator network (composed of r13, r14, r15, and r17 ) when jp8a is open. use this configuration when using a high voltage signal source on the voltage channel . open disables the 1000:1 atten uator network (composed of r13, r14, r15, and r17 ) when jp8a is closed. use this configuration when using a low voltage signal source on the voltage channel . jp9a closed (default) connects pin 2 of the channel v pin connector (p4) to agnd. use this config uration to connect the vn pin of the ade7953 to agnd via 1 k ? resistor r16, which should be done when normal single - ended signals are connected to the ade7953 vol tage channel. open pin 2 of the channel v pin connector (p4) is left floating. use this configuration to drive vn with a differential signal. jp11 closed connects the adr280 voltage reference to the ref pin of the ade7953 . use this configuration when the ade7953 is configured to use an external reference. open (default) disconnects the adr280 voltage reference from the ref pin of the ade7953 . use this configuration in normal operation when the ade7953 is configured to use the in ternal reference. jp13 1, 2 (default) connects pin 1 of the on - board 3.579545 mhz c rystal y1 to the clkin pin of the ade7953 . use this configuration when e xternal c rystal y1 is used as the clock source for th e ade7953 . 2, 3 disconnects pin 1 of the on - board 3.579545 mhz crystal y1 from the clkin pin of the ade7953 . use this configu - ration when an external clock is u sed. this clock can be connected to pin 6 of 16 1 header p5. jp15 closed (default) connects the externally applied 3.3 v power to adum1401 isolator u2. use this configuration in normal operation when communi cating with the ade7953 via the interface board . open disconnects the externally applied 3.3 v power to adum1401 isolator u2. use this configuration when isola tion and/or communication is not required with the ade7953 . jp16 closed (default) connects the externally applied 3.3 v power to adum1401 isolator u3. use this configuration in normal operation when communicating with the ade7953 via the interface board . open disconnects the externally applied 3.3 v power to adum1401 isolator u3. use this configuration when isolation and/or communication is not required with the ade7953 . jp17 closed (default) connects the externally applied 3.3 v power to adum1401 isolator u4. use this configuration in normal operation when communicating with the ade7953 via the interface board . open disconnects the externally applied 3.3 v power to adum1401 isolator u4. use this configuration when isolation and/or communication is not required with the ade7953 . jp18 closed (default) connects the externally applied 3. 3 v power to adum1401 isolator u5. use this configuration in normal operation when communicating with the ade7953 via the interface board . open disconnects the externally applied 3.3 v power to adum1401 isolator u5. use this configuration when isolation and/or communication is not required with the ade7953 . jp19 close d (default) connects the externally applied 3.3 v power t o the adum1250 bidirectional isolator , u6. use this configuration when communicating with the ade7953 vi a the interface board using i 2 c. open disconnects the externally applied 3.3 v power to the adum1250 bidirectional isolator , u6. use this configuration when isolation and/or i 2 c communication is not require d with the ade7953 .
evaluation board user guide ug- 194 rev. a | page 5 of 20 jumper option description jp20 closed (default) connects the reset pin of the ade7953 to adum1401 iso lator u2. use this configuration in normal operation when software management of the reset pin is done via the interface board and the ade7953 evaluation software . open disconnects the reset pin of the ade7953 from adum1401 i solator u2. use this configuration when software management of the reset pin is not desir ed. jp21 closed (default) connects the sclk pin of the ade7953 to adum1401 isolator u 3 . use this configuration when communicating with the ade7953 via the interface board using spi. open disconnects the sclk pin of the ade7953 from adum1401 i solator u 3 . use this configura tion when spi communi - cation is not required with the ade7953 . jp22 closed connects the sclk pin of the ade7953 to the externally applied 3.3 v power. use this c onfiguration when setting up the ade7953 to use i 2 c communication. open (default) disconnects the sclk pin of the ade7953 from the externally applied 3.3 v powe r. use this configuration when i 2 c communication is not required. jp23 closed connects the sclk pin of the ade7953 to agnd. use this configuration when setting up the ade7953 to use uart communication. open (default) disconnects the sclk pin of the ade7953 from agnd. use this configuration when uart communication is not required. jp24 closed (default) connects the mosi / scl / r x pin of the ade7953 to the mosi pin on the i nterface b oard via adum1401 isolator u4 . use this configuration when the ade7953 is set up for spi communication. open disconnects the mosi / scl /rx pin of the ade7953 from the mosi pin on the i nterface b oard via adum1401 isolator u4 . use this configuration when the ade7953 is not set up for spi communication. jp25 closed connects the mosi/scl/rx pin of the ade7953 to the scl pi n on the interface board via the adum1250 bidirectional isolator, u6. use this configuration when the ade7953 is set up for i 2 c communication. open (default) d isconnects the mosi / scl /rx pin of the ade7953 from the scl pin on the interface board via the adum1250 bidirectional isolator , u6. use this configuration when th e ade7953 is not set up for i 2 c communication. jp26 closed connects the mosi / scl /rx pin of the ade7953 to the tx pin on the interface board via adum1401 isolator u5. use this configuration when the ade7953 is set up for uart communication. open (default) disconnects the mosi/scl/rx pin of the ade7953 from the tx pin on the interface board via adum1401 isolator u5. use this configuration when the ade7953 is not set up for uart com munication. jp27 closed (default) connects the miso / sda /tx pin of the ade7953 to the miso pin on the interface board via adum1401 isolator u2 . use this configur ation when the ade7953 is set up for spi communication. open disconnects the miso / sda /tx pin of the ade7953 from the miso pin on the interface board via adum1401 isolator u 2 . use this configuration when the ade7953 is not set up for spi communication. jp28 closed connects the miso/sda/tx pin of the ade7953 to the sda pin on the interface board via the adum1250 bidirectional isolator, u6. use this configuration when the ade7953 is set up for i 2 c communication. open (default) disconnects the miso / sda /tx pin of the ade7953 from the sda pin on the interface board via the adum1250 bidirecti onal isolator , u6. use this configuration when the ade7953 is not set up for i 2 c communication. jp29 closed connects the miso / sda /tx pin of the ade7953 to the rx pin on the interface board via adum1401 isolator u2 . use this configuration when the ade7953 is set up for uart communication. open (default) disconnects the miso/sda/tx pin of the ade7953 from the rx pin on the interface board via adum1401 isolator u2. use this configuration when the ade7953 is not set up for uart communication. jp30 closed (default) connects the zx pin of the ade7953 to adum1401 isolator u 2 . use this configura tion in normal operation when software management of the zx pin is done via the interface board and the ade7953 e valuation s oftware. open disconnects the zx pin of the ade7953 from adum1401 i solator u 2 . use this configuration when software management of the zx pin is not desired. jp31 closed (default) connects the irq pin of the ade7953 to adum1401 isolator u 3 . use this configuration in normal operation when software management of the irq pin is done via the interface board and the ade7953 evaluation software . open disconnects the irq pin of the ade7953 from adum1401 i solator u 3 . use this configuration when software management of the irq pin is not desired. jp32 closed (default) connects the zx_i pin of the ade7953 to a dum1401 isolator u3. use this configuration in normal operation when software management of the zx_i pin is done via the interface board and the ade7953 evaluation software . open disconnects the zx_i pin of the ade7953 from adum1401 i solator u3. use this configuration when software management of the zx_i pin is not desired.
ug- 194 evaluation b oard user guide rev. a | page 6 of 20 jumper option description jp33 closed (default) connects the cs pi n of the ade7953 to adum1401 isolator u5. use this configuration when communicating with the ade7953 via the inter face board using spi. open disconnects the cs pin of the ade7953 from adum1401 i solator u5. use this configuration when isolation and/or spi communication is n ot required with the ade7953 . jp34 closed connects the cs pin of the ade7953 to the externally applied 3.3 v power. use this configuration when us ing either i 2 c or uart communication. open (default) disconnects the cs pin of the ade7953 from the externally applied 3.3 v power. use this configuration when the ade7953 is configured for spi communication. jp36 closed (default) connects the revp pin of the ade7953 to adum1401 isolator u4. use this configuration i n normal operation when software management of the revp pin is done via the interface board and the ade7953 evaluation software. open disconnects the revp pin of the ade7953 from adum1401 i solator u 4 . use this configuration when software management of the revp pin is not desired. jp37 closed (default) connects t he cf1 pin of the ade7953 to cf1_iso bnc connector j1 via adum1401 isolator u4. use this configuration when the isolated interface to cf1 is required. open dis connects the cf1 pin of the ade7953 from cf1_iso bnc connector j1 via adum1401 i solator u 4 . use this configuration when the isolated interface to cf1 is not requ ired. jp38 closed (default) connects the cf2 pin of the ade7953 to cf2_iso bnc connector j2 via adum1401 isolator u5. use this configuration when the isolated i nterface to cf2 is required. open disconnects the cf2 pin of the ade7953 from cf2_iso bnc connector j2 via adum1401 i solator u 5 . use this configuration when th e isolated interface to cf2 is not required.
evaluation board user guide ug- 194 rev. a | page 7 of 20 install ing the evaluation board sof tware installing the drive rs when using t he ade7953 evaluation tools for the first time , a driver must be installed to allow successful communication. to obtain the driver, download the evaluation board software ( ade7953_evalboard_software.zip ) from the a de7953 evaluation board web page . the driver can be found in the vircom_driver_xp folder . there are two folders with in the vircom_driver_xp folder . ? the windows xp and vista folder contains the driver suitable for 32 - bit operating systems , such as windows xp and the 32 - bit version of windows vista? . ? t he windows 7 (64 bit) folder cont ains the driver suitable for 64 - bit opera ting systems , such as windows 7. select t he appropriate driver based on the operating system used on the pc . to install the driver, foll ow this procedure. 1. connect the usb cable from the pc to the i nterface b oard . the found new hardwar e wizard window appear s, indicating that the pc has detected the new hardware . 09384-003 3 2. if you ar e installing the driver on a system running windows 7, the found new hardware wizard may not appear. to manually select the driver, follow these steps. a. choose control panel > hardware and sound > device manager ; locate the new hardware under the ports head ing. b. right - click the port and select update driver software . c. select browse my computer for driver software . the window shown in figure 4 appears. d. go to step 4. 3. in the found new hardware wizard window (see figure 3 ) , s elect the install from a list or specific location (advanced) option and click next . the following window opens (see figure 4 ). 09384-004 4 4. select search removable media (floppy, cd - rom) and include this location in the search (see figure 4 ). u se the b rowse button to locate the windows xp and vista or windows 7 (64 bit) folder in the vircom_driver_xp folder downloaded from the ade7953 evaluation board web page . 5. click next . the hardware installation window appear s , stating that the hardware did not pass the windows l ogo test. 09384-005 5 6. click continue anyway . when the installation is complete , the window shown in figure 6 appear s.
ug- 194 evaluation board user guide rev. a | page 8 of 20 09384-006 figure 6. installation complete window 7. click finish to close the window. installing the evaluation software the evaluation software is available in the ade7953_evalboard_ software.zip file, which can be downloaded from the ade7953 evaluation board web page . the software can be run even if a licensed co py of labview is not available. if t he ade7953 evaluation software will be used on the pc for the first time , an installer must be run. this installer is available in the ade7953_revg_installer folder . to r un the labview 2010 installer, follow these steps: 1. locate the ade7953_revg_installer folder and d ouble - click the set up.exe file. 2. follow the prompts to install the labview 2010 run - time engine . when the installation is complete, t he ade7953 evaluation software opens automatically and a shortcut is added to the start m enu. t his shortcut can be found by selecting programs > ade7953_eval_revg . running the evaluati on software after the installation process is complete, the software can be run by opening the ade7953_ eval_ revg program from the start menu. when the evaluation soft ware is ru nning, it should automati - cally detect the com port that t he ade7953 interface board is connected to. if th e port detection is successful , the com p ort number appear s in the port control field , as sh own in figure 7 (com3 in this example) . 09384-007 figure 7. main window note that supply power to the evaluation board is not required for com port detection. the i nterface board is powered from the usb connecti on from the pc. troubleshooting the launch if the software does not detect the communications port , the message shown in figure 8 is displayed. 09384-008 figure 8. comm port n ot found message if this message appea rs, the follow ing steps should be taken : 1. click ye s to return to the main window (see figure 7 ) . 2. verify that the i nterface board is connected to the pc using the usb cable. 3. ensure that the required drivers are installed as describe d in the installing the drivers section. 4. using the device man a ger tool, ensure that the port is operating correctly. 5. manually select the correct com port by clicking the port control tab i n the main window .
evaluation board user guide ug- 194 rev. a | page 9 of 20 evaluation software fun ctions t he ade7953 evaluation software allows access to all registers and features of t he ade7953 using spi, i 2 c , or uart communi - cation. the communicatio n mode and speed should be set i n the main window (see figure 7 ) . the m enu o ptions available are ? active energy ? reactive energy ? apparent energy ? waveform sampling ? interrupts ? power quality information ? read and write registers ? access all reg isters ? reset ade7953 ? exit ( stop s labview ) these options provide access to all internal registers and allow the evaluation of ade7953 performance. to access these func - tions, click the desired option i n the menu box (see figure 7 ) . clicking an option in the menu box displays a window where the specific function can be accessed. each window includes an exit button that should be used to retu rn to the main window . note that only one option from the menu box can be open at a time ; click exit to return to the main window before choosing another option from the menu box . active energy the active energy window is shown in figure 10 . this window allows access to all registers associated with the active energy measurement. the tabs at the top of the window allow registers associated with current channel a or current channel b to be accessed. a register can be read by click ing read all registers . register modifications can be made directly on the sign al path diagram; these modifica tions are written to the part by clicking write all registers . from the active energy window, the cf outpu ts window can be accessed by clicking cf output . clicking cf output opens the window shown in figure 9 . 09384-010 9 from this window, the functionality of the cf1 and cf2 output pins can be selected. 09384-009 10
ug- 194 evaluation board user guide rev. a | page 10 of 20 the line cycle accumulation window is also accessible from the active energy window (see figure 11). 09384-011 figure 11 . line cycle accumulation window the line cycle mode allo ws energy to be accumulated over an integral number of half line cycles. t o activ ate line cycle accu - mulation , an ac signal must be present on the voltage channel. click e xit in the cf outputs or line c ycle a ccumulation window to return to the a ctive e nerg y window . reactive energ t he rea ctive energy window is available f rom the menu box . this window is similar to the a ctive e nergy window shown in figure 10 , but it allows access to registers that are associated with the reactive energy measurements. tabs are available to select current channel a or current channel b registers . the cf outputs and line c ycle a ccumulation windows are also accessible from the reactive energy window (see figure 9 and figure 11 , respectively ) . apparent energ the apparent energy window is available from the menu box . the apparent energy window allows access to the regis - ters associated with the apparent energy measurement (see figure 13). tabs are available to select current channel a or current channel b registers. the cf outpu ts and line cycle accumulation window s shown in figure 9 and figure 11 are a lso a ccessible fro m the apparent energy window . a pparent energy measurement is derived from the product of the current rms and voltage rms measurements . t he rms window can be accessed from the apparent energy window by clicking voltage rms or current rms (see figure 12). 09384-013 figure 12 . rms window from the rms window, the calibration and configuration regis - ters associated with the vrms and irms measurements can be accessed. in addition , the rms readings can be obtained. c lick exit in this window to return to the apparent energy window. 09384-012 figure 13 . apparent energy window
evaluation board user guide ug- 194 rev. a | page 11 of 20 waveform sampling the waveform sampling window is available f rom the menu box . the wa veform s ampling window is shown in figure 14. to use the waveform sampling window, spi must be selected as the communication interface (see figure 7 ). 09384-014 14 this window allows raw wavefor m data to be captured and displayed on a graph. t o save t he data to a file , click the store data to fil e? toggle switch and enter a destin ation file name in the adjacent box. ade7953 interrupts the ade7953 int errupts window is available f rom the menu box . the ade7953 i nterrupts window is shown in figure 15. 09384-015 15 7953 this window allows access to the status and enable registe rs associated with the c urrent c hannel a , current channel b , and voltage channel interrupts. the switch buttons in the ade7953 interrupts window allow the individual interrupt enable bits to be selected. after the a ppropriate interrupt enable bits are select ed , th ey can be written to the part by clicking write irq enable register . the lights represent the corresponding interrupt status registers. these registers can be read and reset by clicking read irq status or re ad irq status with reset . power quality the power quality window is available f rom the menu box . the p ower q uality window is shown in figure 16. 09384-016 16 the following features can be configured using the power quality window: ? p eak detection ? s ag detection ? no - load detection ? z ero - crossing detection ? p ower factor measurement ? a ngle measurement ? r everse power the tabs in the power quality window are used to select the appropriate feature. each feature can be configured and then written to the part by clicking write . the ade7953 interrupts window shown in figure 15 can be accessed from the power quality window by clicking irqs .
ug- 194 evaluation board user guide rev. a | page 12 of 20 read and write registers t he read and write registers window is available from the menu box . the read and write registers window is shown in figure 17. 09384-017 17 an i ndividual register can be a ccessed from this window by selecting the register name from the pull - down menu . alter - natively , registers can be accessed by address by clicking the r egister n ame toggle switch and then typing the address and size of a register into the register address a nd register size boxes . access all registers the access all registers window is available from the menu box . the access all r egisters window allows all the registers in t he ade7953 to be acces sed at once (see figure 18). 09384-018 18 the entire ade7953 register bank can be read or modified by clicking read all registe rs or write all registers . the current configuration can be saved to a comma - separated variable ( . csv ) file by specify ing a destination file at the top of the window and then clicking save current register settings to file . t o load a configuration from a file , specify a configuration file at the top of the window and then click load register setting s from file . t he contents of the specified . csv file are written t o t he ade7953 .
evaluation board user guide ug- 194 rev. a | page 13 of 20 reset the reset win dow is available from the menu box . the reset window is shown in figure 19. 09384-019 19 when the reset ade7953 button is clicked, a hardware reset is performed on t he ade7953 . all register data is lost and the part must be reconfigured. troubles hooting communication failure if communication to t he ade7953 is not successful , the warning message shown i n figure 20 is displayed. 09384-020 20 this message indicat es that t he ade7953 did not respond and the communication timed out. t he communication port on the pc must be reset to restore communication to t he ade7953 . when the ok button is clicked , the c lear p ort window appears (see figure 21) . 09384-021 21 when the clear port window appears, press the s1 push - button located above the pc connection on t he ade7953 i nterface port to reset the pc com port (see figure 1 ) . after completing this action , click done i n the clear port window . before continuing with the evaluation of t he ade7953 , t he reason for the communication failure should be investigat ed. after the com port is cleared, the window shown in figure 22 is displayed to provide some possible reasons for the failed communication. 09384-022 22 after clicking ok , click exit in the main window ( see figure 7 ) . to troubleshoot the problem, verify the following items: ? t he selected com port is correct in the main window (see figure 7 ). ? t he currently configured communicati on mod e is correct in the main window (see figure 7 ). ? the correct jumpers are installed for the selected commu - nication interface (see table 1 ) . incorrect register readings if the data read back from t he ade7953 registers is always ffff , a possible cause is that t he ade7953 is not correctly powered. ensure that a 3.3 v supply has been supplied to t he ade7953 , as described in the powering up the evaluation board section.
UG-194 evaluation board user guide rev. a | page 14 of 20 evaluation board schematics 09384-023 figure 23. evaluation board schematic (page 1)
evaluation board user guide UG-194 rev. a | page 15 of 20 0 9384-024 figure 24. evaluation board schematic (page 2)
UG-194 evaluation board user guide rev. a | page 16 of 20 interface board schematics 09384-025 figure 25. interface board schematic (page 1)
evaluation board user guide UG-194 rev. a | page 17 of 20 09384-026 figure 26. interface board schematic (page 2)
ug- 194 evaluation board user guide rev. a | page 18 of 20 notes
evaluation board user guide ug- 194 rev. a | page 19 of 20 notes
ug- 194 evaluation board user guide rev. a | page 20 of 20 notes esd cau tion esd (electrostatic discharge) sensitive device . charged devices and circuit boards can discharge without detection. although this product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy esd. therefore, proper esd precautions should be taken to avoid performance degradation or loss of functionality. legal terms and conditions by using the evaluation board discussed herein (together with any tools, components documentation or support materials , the evaluation board), you are agreeing to be bound by the terms and conditions set forth below (agreement) unless you have purchased the evaluation board, in which case the analog devices standard terms and conditions of sale shall govern. do not us e the evaluation board until you have read and agreed to the agreement. your use of the evaluation board shall signify your acceptance of the agreement. this agreement is made by and between you (customer) and analog devices, inc. (adi), with its princ ipal place of business at one technology way, norwood, ma 02062, usa. subject to the terms and conditions of the agreement, a di hereby grants to customer a free, limited, personal, temporary, non - exclusive, non - sublicensable, non - transferable license to us e the evaluation board for evaluation purposes only. customer understands and agrees that the evaluation board is provided for the sole and exclusive purpose referenced above, and agrees not to use the evaluation board for any other purpose. furthe rmore, t he license granted is expressly made subject to the following additional limitations: customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the evaluation bo ard; and (ii) permit any third party to access the evaluat ion board. as used herein, the term third party includes any entity other than adi, customer, their employees, affiliates and in - house consultants. the evaluation board is not sold to customer; all rights not expressly granted herein, including ownership of the evaluation board, are reserved by adi. confidentiality. this agreement and the evaluation board shall all be considere d the confidential and proprietary information of adi. customer may not disclose or transfer any portion of the evaluation board t o any other party for any reason. upon discontinuation of use of the evaluation board or termination of this agreement, custo mer agrees to promptly return the evaluation board to adi. additional restrictions. customer may not disassemble, decompile or reve rse engineer chips on the evaluation board. customer shall inform adi of any occurred damages or any modifications or alterations it makes to the evaluation board, including but not limited to soldering or any other activity that affects the material conte nt of the evaluation board. modifications to the evaluation board must comply with applicable law, including but not limited to the rohs directive. termi nation. adi may terminate this agreement at any time upon giving written notice to customer. customer a grees to return to adi the evaluation board at that time. limitation of liability. the evaluation board provided hereunder is provided as is and adi makes no warranties or representations of any kind with respect to it. adi specifically disclaims any rep resentations, endorsements, guarantees, or warranties, express or implied, related to the evaluation board including, but not limited to, the implied warranty of merchantability, title, fitness for a particul ar purpose or noninfringement of intellectual pr operty rights. in no event will adi and its licensors be liable for any incidental, special, indirect, or consequential damag es resulting from customers possession or use of the evaluation board, including but not limited to lost profits, delay costs, lab or costs or loss of goodwill. adis total liability from any and all causes shall be limited to the amount of one hundred us dollars ($100.00). export. customer agrees that it will not directly or indirectly export the evalua tion board to another country, and that it will comply with all applicable united states federal laws and regulations relating to exports. governing law. this agreement shall be governed by and constr ued in accordance with the substantive laws of the commonwealth of massachusetts (exclu ding conflict of law rules). any legal action regarding this agreement will be heard in the state or federal courts having ju risdiction in suffolk county, massachusetts, and customer hereby submits to the personal jurisdiction and venue of such courts. the united nations convention on contracts for the international sale of goods shall not apply to this agreement and is expressly disclaimed. ? 2011C 2013 analog devices, inc. all rights reserved. trademarks and registered t rademarks are the property of their respective owners. ug09384 - 0 - 1/13(a)

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