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maxim integrated products 1 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxims website at www.maxim-ic.com. ds2 6 9 0 0 de m o k it ge ne ra l de sc ript ion the ds26900 design kit provides a convenient platform to evaluate t he ds26900. connectors are provided to access all of the master and secondary jtag ports. jumpers allow configuration of all the ds26900 operating modes, and leds provide visual indication of device states. this document is intended to be used along with the ds26900 data sheet, available online at www.maxim-ic.com/ds26900 . fe a t ure s ? ribbon cable connectors for master and secondary jtag port connections ? jumpers for device configuration ? leds for device state outputs ? simple power connections orde ring i nform a t ion part description DS26900DK demo kit for ds26900 ds2 6 9 0 0 de m o k it la yout rev: 110107 downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 2 of 23 t a ble of cont e nt s 1. ds26900 demo kit pcb layout ................................................................................................ 4 2. operation .................................................................................................................................... 5 3. DS26900DK connectors, jumpers, and indicators....................................................... 5 3.1 p ower ........................................................................................................................................... 5 3.2 r eset ............................................................................................................................................ 5 3.3 d evice s tatus o utputs ............................................................................................................... 5 3.3.1 selected secondary port indication............................................................................................. .......... 5 3.3.2 mgnt2Cmgnt0 .................................................................................................................... ................ 6 3.3.3 dpdv, mci, and act ............................................................................................................................ 6 3.4 jtag p ort c onnections ............................................................................................................. 6 3.4.1 jtag master conn ectors pinouts ................................................................................................. ........ 7 3.4.2 jtag secondary port connections ................................................................................................ ....... 8 3.5 j umpers and i ndicators .............................................................................................................. 9 4. sample setup............................................................................................................................ 10 4.1 c onfigure d evice ...................................................................................................................... 10 4.2 s elect m aster p ort .................................................................................................................. 10 5. additional information/resources................................................................................ 11 5.1 ds26900 i nformation ................................................................................................................ 11 5.2 DS26900DK i nformation ........................................................................................................... 11 5.3 t echnical s upport .................................................................................................................... 11 6. schematics ..................................................................................................................... ........... 11 7. document revision history ................................................................................................ 12 downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 3 of 23 list of figure s figure 1-1. ds26900 demo kit board floorpl an................................................................................... ...................... 4 list of t a ble s table 3-1. powe r connections ................................................................................................... ................................. 5 table 3-2. sspi4 C sspi0 connections ................................................................................................................... ...... 6 table 3-3. mgnt0Cmgn t2 connections ............................................................................................. ...................... 6 table 3-4. dpdv, mci, and act connections............................................................................................................ 6 table 3-5. jtag mast er port connectors ......................................................................................... .......................... 6 table 3-6. j7, j8, and j9 mast er port connect or pinouts........................................................................ ................... 7 table 3-7. secondary port connections.......................................................................................... ............................ 8 table 3-8. jumpers ............................................................................................................. ......................................... 9 table 3-9. led indica tors ............................................................................................................................................ 9 table 4-1. jumper settings for si ngle package mode of operation ................................................................ ......... 10 table 4-2. using external test master as t he master port ....................................................................... ................ 10 table 4-3. using test mast er 1 as the master port .............................................................................. ..................... 10 table 4-4. using test mast er 2 as the master port.............................................................................. ..................... 10 downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 4 of 23 1 . ds2 6 9 0 0 de m o k it pcb la yout figure 1-1 shows the location of the master and secondary jtag ports, jumpers, power connectors, and reset switch. figure 1-1. ds26900 demo kit board floorplan j6 j5 j4 j9 j7 j8 j12 j11 sw1 j 10 j 13 dallas ds26900 xxxxx xxxxx ds7 ds8 ds1 ds6 ds13 ds5 ds2 ds3 ds11 ds4 ds12 ds9 ds14 ds10 ds15 jp8 jp7 jp9 jp10 jp5 jp6 jp1 jp2 jp4 jp3 jp12 jp11 jp13 jp14 j14 j15 j1 downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 5 of 23 2 . ope ra t ion the simplest configuration to test for communication with the ds26900 demo kit is to connect a jtag source to master port 1, connect power, and, using jtag sequence s, manipulate some of the device state output leds on the board. the sspix leds can be used to verify that the desired secondar y port is being selected. the gpiox leds can be observed to verify that the gpio pins are being correctly selected. see section 4 for the basic setup. 3 . ds2 6 9 0 0 dk conne c t ors, j um pe rs, a nd i ndic a t ors see figure 1-1 for location of connectors, switches, jumpers, and le d indicators described in this section. refer to the ds26900 data sheet for a complete ex planation of these device functions. 3 .1 pow e r the ds26900 demo kit is powered from a 3.3v supply. two banana-type connectors are provided on the backside of the board, one for +3.3v and one for ground. see table 3-3 . table 3-1. power connections connector function j14 +3.3v j15 ground 3 .2 re se t the reset pushbutton (sw1) controls the ds26900s rst input. pushing this button provides an asynchronous reset for all the global registers and logic in the ds26900. 3 .3 de vic e st a t us out put s the status of the following signals can be observed through leds on the board. additionally, connectors j4, j5, and j6 are provided to make electrical connection for driving off-board circuitry. 3 .3 .1 se le c t e d se c onda ry port i ndic a t ion sspi4 C sspi0 provide a binary indication as to which secondary port is currently selected in the manner described below. 4 3 2 1 0 1 1 1 1 1 = no secondary port selected 1 1 1 1 0 = secondary port 1 selected . . . 0 1 1 0 1 = secondary port 18 selected downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 6 of 23 table 3-2. sspi4 C sspi0 connections connector function j6 - 4 sspi4 j4 - 1 sspi3 j4 - 2 sspi2 j4 - 3 sspi1 j4 - 4 sspi0 3 .3 .2 m gn t 2 Cm gn t 0 the mgnt2Cmgnt0 outputs provide an indication as to whic h master port currently has control of the device as shown in table 3-3 . table 3-3. mgnt0Cmgnt2 connections connector function j5 - 3 mgnt2 j5 - 2 mgnt1 j5 - 1 mgnt0 3 .3 .3 dpdv , mci, a nd ac t the signals dpdv, mci, and act provide indications of various device states as shown in table 3-4 . table 3-4. dpdv, mci, and act connections connector function j6 - 1 mci: led on when more than one of the ereq, tmreq1, or tmreq2 signals is asserted low. j6 - 2 act: led on when active. active state is det ermined by the msb of the instruction code and the state of the mode input pins m0 and m1, and the presence of an active master. j6 - 3 dpdv: led on when the dpdv bit in the device configuration register is set = 1. 3 .4 j t ag port conne c t ions table 3-5. jtag mast er port connectors connector function (microtca? jsm nomenclature) j7 master 3 (extended test master) j8 master 1 (test master 1) j9 master 2 (test master 2) j10 secondary ports 1C5 j11 secondary ports 6C10 j12 secondary ports 11C15 j13 secondary ports 16C18 microtca is a trademark of of picmg-pci industrial computer manufacturers group, inc. downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 7 of 23 3 .4 .1 j t ag m a st e r conne c t ors pinout s connectors j7, j8, and j9 interface to the ds26900s th ree master ports. some signals available at these connectors can be controlled dynamically from the connector or from jumpers. table 3-6 indicates which signals have alternate jumpers. when driving a signal from the master port connectors the jumper can be removed or placed in a pullup or pulldown position deter mined by the method of driving the signal. table 3-6. j7, j8, and j9 mast er port connector pinouts j7 extended test master j8 test master 1 j9 test master 2 pin signal i/o signal i/o signal i/o 1 etck i tck1 i tck2 i 2 gnd gnd gnd 3 etdo 0 tdo1 0 tdo2 0 4 gnd gnd gnd 5 etms i tms1 i tms2 i 6 gnd gnd gnd 7 ecfg * i trst1 i trst2 i 8 gnd gnd gnd 9 etdi i tdi1 i tdi2 i 10 gnd gnd gnd 11 n.c. n.c. n.c. 12 n.c. n.c. n.c. 13 gnd gnd gnd 14 ereq * i tmreq1 * i tmreq2 * i 15 gnd gnd gnd 16 mgnt0 o mgnt1 o mgnt2 o 17 gnd gnd gnd 18 n.c. n.c. n.c. 19 gnd gnd gnd 20 n.c. n.c. n.c. * indicates that a jumper option is available for this signal. downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 8 of 23 3 .4 .2 j t ag se c onda ry port conne c t ions table 3-7. secondary port connections port connector signals pin port connector signals pin stck1 1 stck10 41 stdi1 3 stdi10 43 stdo1 5 stdo10 45 strst1 7 strst10 47 1 j10 stms1 9 10 j11 stms10 49 stck2 11 stck11 1 stdi2 13 stdi11 3 stdo2 15 stdo11 5 strst2 17 strst11 7 2 j10 stms2 19 11 j12 stms11 9 stck3 21 stck12 11 stdi3 23 stdi12 13 stdo3 25 stdo12 15 strst3 27 strst12 17 3 j10 stms3 29 12 j12 stms12 19 stck4 31 stck13 21 stdi4 33 stdi13 23 stdo4 35 stdo13 25 strst4 37 strst13 27 4 j10 stms4 39 13 j12 stms13 29 stck5 41 stck14 31 stdi5 43 stdi14 33 stdo5 45 stdo14 35 strst5 47 strst14 37 5 j10 stms5 49 14 j12 stms14 39 stck6 1 stck15 41 stdi6 3 stdi15 43 stdo6 5 stdo15 45 strst6 7 strst15 47 6 j11 stms6 9 15 j12 stms15 49 stck7 11 stck16 1 stdi7 13 stdi16 3 stdo7 15 stdo16 5 strst7 17 strst16 7 7 j11 stms7 19 16 j13 stms16 9 stck8 21 stck17 11 stdi8 23 stdi17 13 stdo8 25 stdo17 15 strst8 27 strst17 17 8 j11 stms8 29 17 j13 stms17 19 stck9 31 stck18 41 stdi9 33 stdi18 43 stdo9 35 stdo18 45 strst9 37 strst18 47 9 j11 stms9 39 18 j13 stms18 49 downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 9 of 23 3 .5 j um pe rs a nd i ndic a t ors table 3-8. jumpers jumper device pin jp1 test jp2 rst jp3 m[1] jp4 m[0] jp5 hiz jp6 tmreq2 jp7 tmreq1 jp8 ereq jp9 pren jp10 ecfg jp11 gpio[2] jp12 gpio[3] jp13 gpio[0] jp14 gpio[1] table 3-9. led indicators led function ds1 dpdv ds2 sspi4 ds3 sspi3 ds4 sspi1 ds5 mgnt2 ds6 mgnt0 ds7 mci ds8 act ds9 gpio[3] ds10 gpio[1] ds11 sspi2 ds12 sspi0 ds13 mgnt1 ds14 gpio[2] ds15 gpio[0] ds16 power downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 10 of 23 4 . sa m ple se t up 4 .1 configure de vic e jumpers are used to configure t he basic settings of the device. table 4-1. jumper settings for si ngle package mode of operation jumper setting/function jp3, jp4 m[1:0] = 00: configures device to single package mode jp10 pren = 1: enables internal pull resistors jp2 rst = 1: enables switch sw1 to perform reset function jp1 test = 1: disable factory test mode jp5 hiz = 1: disable output high-impedance mode 4 .2 se le c t m a st e r port the following signals can be controlled through jumper setting s or from the j7, j8, and j9 master port connectors. if using the signals from the connectors, the jumpers may be removed or configured as pullup or pulldown resistors as needed. table 4-2. using external test master as the master port jumper connector pin setting/function jp8 j7 - 14 ereq = 0: selects external test master as the master port jp10 j7 - 7 ecfg = 0: enables configuration mode ecfg = 1: enables transparent (normal) mode table 4-3. using test m aster 1 as the master port jumper connector pin setting/function jp8 j7 - 14 ereq = 1: deselects external test master as the master port jp7 j8 - 14 treq1 = 0: selects test master 1 as the master port j8 - 7 trst1 = 0: enables configuration mode trst1 = 1: enables transparent (normal) mode table 4-4. using test mast er 2 as the master port jumper connector pin setting/function jp8 j7 - 14 ereq = 1: deselects external test master as the master port jp7 j8 - 14 treq1 = 1: deselects te st master 1 as the master port jp6 j9 - 14 treq2 = 0: selects test master 2 as the master port j9 - 7 trst2 = 0: enables configuration mode trst2 = 1: enables transparent (normal) mode downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 11 of 23 5 . addit iona l i nform a t ion/re sourc e s 5 .1 ds2 6 9 0 0 i nform a t ion for more information about the ds26900, refer to the ds26900 data sheet at www.maxim-ic.com/ds26900 . 5 .2 ds2 6 9 0 0 dk i nform a t ion for more information about the DS26900DK including software downloads, refer to the DS26900DK quick view page at www.maxim-ic.com/DS26900DK . 5 .3 t e c hnic a l support for additional technical support, e-mail your questions to telecom.support@dalsemi.com . 6 . sc he m a t ic s the schematics are featured in the following 11 pages. downloaded from: http:///
___________________________________________________ ____________________________________ ds 2 6 9 0 0 dk rev: 110107 12 of 23 maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the ci rcuitry and specifications wi thout notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 ? 2007 maxim integrated products is a registered trademark of maxim integrated products. 7 . doc um e nt re vision h ist ory revision date description 110107 initial release. downloaded from: http:///
ds26900 jtag interface board DS26900DK02a0 DS26900DK02a2 r. sandoval 6/14/2007 1/11 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 downloaded from: http:///
DS26900DK02a2 jumpers for r. sandoval unmarked leds are green low to set e-port as master high for transparent mode when high pulldown(up) are enabled low to access ds26900 internal reg ecfg also connects to external port test header low to set tm2 as master low to set tm1 as master input modes high & low gpio 6/14/2007 2/11 1 gpio0 gpio1 1.0k jp12 13 94 2 3 1 jp11 2 3 1 r3r4 2 3 jp13 2 3 1 jp14 r26 r5 r2 2 1 ds1 4 3 2 1 sw1 42 3 1 u1 7 2 rp3 2 3 1 jp10 10 9 8 7 6 5 4 3 2 1 j1 2 1 ds7 4 3 2 1 j6 2 1 ds8 8 7 65 1 2 3 4 rp8 4 3 2 1 j5 8 7 65 1 2 3 4 rp7 2 1 ds6 2 1 ds5 2 1 ds13 2 1 ds10 2 1 ds15 2 1 ds14 2 1 ds9 8 7 65 1 2 3 4 rp4 2 1 ds2 2 1 ds3 2 1 ds11 2 1 ds4 2 1 ds12 8 7 65 1 2 3 4 rp6 4 3 2 1 j4 8 1 rp1 7 2 rp1 6 3 rp1 5 4 rp1 8 1 rp2 7 2 rp2 6 3 rp2 8 1 rp3 5 4 rp2 2 3 1 jp6 2 3 1 jp7 2 3 1 jp5 2 3 1 jp4 2 3 1 jp2 2 3 1 jp1 2 3 1 jp3 2 3 1 jp8 2 3 1 jp9 133108 4826 119 83 36 27 19 62 89 10 11 12 33 37 35 3839 40 7 95 25 18 144 34 141 142143 1415 16 17 1 5 96 97 u2 conn_4p_u mgnt1 gpio3 gpio2 1.0k ecfg_n test_n 0603_5pct_1k 0603_5pct_1k 0603_5pct_1k ereq_n treq1_n 0603_5pct_1k ptrst sspi2 sspi4 rst_n 0.0 0603_5pct_1k rst_n 0603_5pct_1k m1 0603_5pct_1k m0 hiz_n treq2_n treq1_n ereq_n 0603_5pct_1k ecfg_n 0603_5pct_1k pren 0603_5pct_1k sspi3 3.08v rst_n pren mgnt2 sspi0 sspi1 mci_n mgnt0 gpio0 gpio1 gpio2 act_n 1.0k 1.0k 0603_5pct_330 gpio3 dpdv treq2_n hiz_n m0 m1 red 0603_5pct_3300603_5pct_330 red conn_4p_u conn_4p_u 0603_5pct_330 mci_n sspi4 act_n dpdv sspi3sspi0 sspi2 sspi1 gpio3gpio0 gpio1 gpio2 mgnt2 mgnt1 mgnt0 test_n page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 max811_u reset* vcc gnd mr* v3_3 v3_3 1 vcc 5 tdi conn_10p gnd tdotms tck 3 rst 24 1 3 24 1 3 v3_3 24 1 3 v3_3 v3_3 v3_3 v3_3 ds26900_u pren ncnc ptrst* ptms ptdi ptdo act* mci* mgnt0 mgnt1 sspi0 rst* test* m1m0 hiz* treq2*treq1* ecfg* ereq* ptck vss vssvss vss gpio0 gpio1 gpio2 gpio3 vddvdd vdd vdd sspi4sspi2 sspi3mgnt2 sspi1 nc downloaded from: http:///
3/11 roger sandoval DS26900DK02a2 06/14/2007 19 18 2 3 tck2 tdi2 etdo trst1 rp11 32 20 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 j9 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 j8 8 7 65 1 2 3 4 rp9 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 j7 r1 8 7 65 1 24 r25 8 7 65 1 3 4 rp10 31 23 2429 21 28 20 30 22 6 3 24 u2 treq1_n mgnt1 30 tms1 tck1 tdo2 mgnt0 ecfg_n etdi tms2 30 tdi1 ereq_n etms etck i43 mgnt2 trst2 0603_5pct_30 0603_5pct_30 tdo1 0603_5pct_30 treq2_n page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 conn_20p 15 9 5 6 3 2 1 1618 20 8 10 7 19 17 4 12 11 14 13 conn_20p 15 9 5 6 3 2 1 1618 20 8 10 7 19 17 4 12 11 14 13 conn_20p 15 9 5 6 3 2 1 1618 20 8 10 7 19 17 4 12 11 14 13 ds26900_u tms2 tck2 tms1 tck1 etms etck tdo1tdi1 trst1*trst2* tdi2 tdo2 etdoetdi downloaded from: http:///
4/11 DS26900DK02a2 roger sandoval 06/14/2007 30 30 30 strst1 strst3 strst2 stms1 stck1 stdo1 0603_5pct_30 stms3 stck3 stdi3 0603_5pct_30 stck4 stdi4 stdo4 0603_5pct_30 stms2 stck2 stdi2 stdo2 0603_5pct_30 u2 91 86 92 93 88 89 84 90 85 rp14 4 3 2 1 5 6 7 8 r8 rp12 4 3 2 1 5 6 7 8 r6 rp15 4 3 2 1 5 6 7 8 r9 u2 80 81 77 78 73 79 74 rp13 4 3 2 1 5 6 7 8 r7 stdo3 82 30 87 stdi1 strst4 stms4 75 76 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 ds26900_u stms4 stck4 stms3 stck3 strst3* stdo3stdi3 strst4* stdi4 stdo4 ds26900_u stms2 stck2 stms1 stck1 strst1* stdi1 stdo1 strst2* stdi2 stdo2 downloaded from: http:///
5/11 06/14/2007 roger sandoval DS26900DK02a2 0603_5pct_30 stms8 stck8 stdi8 strst5 69 r10 8 7 65 1 2 3 4 rp16 53 58 52 57 56 61 55 60 54 59 u2 r12 8 7 65 1 2 3 4 rp18 8 7 65 1 2 3 4 rp17 r11 64 63 68 67 72 66 71 65 70 u2 r13 8 7 65 1 2 3 4 rp19 stck5 stdo5stdi5 stms5 0603_5pct_30 stdo6stdi6 stck6 stms6 stdo8 0603_5pct_30 stdo7stdi7 stck7 stms7 0603_5pct_30 strst6 strst8 strst7 30 30 30 30 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 ds26900_u stms6 stck6 stms5 stck5 stdo6stdi6 strst6* strst5* stdi5 stdo5 ds26900_u stms8 stck8 stms7 stck7 strst8* stdi8 stdo8 stdo7stdi7 strst7* downloaded from: http:///
DS26900DK02a2 6/11 06/14/2007 roger sandoval strst12 stdi12 stdo12stms12 2 r15 8 7 65 1 2 3 4 rp21 131 137 130 136 135 140 134 139 132 138 u2 r17 8 7 65 1 2 3 4 rp23 8 7 65 1 3 4 rp20 r14 47 42 46 41 51 45 50 44 49 43 u2 r16 8 7 65 1 2 3 4 rp22 0603_5pct_30 stdo10stdi10 stck10 stms10 0603_5pct_30 stck12 0603_5pct_30 stdo11stdi11 stck11 stms11 0603_5pct_30 stdo9stdi9 stck9 stms9 strst10 strst11 strst9 30 30 30 30 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 ds26900_u stck9stms9 stck10stms10 stdo10stdi10 strst10* strst9* stdi9 stdo9 ds26900_u stms12 stck12 stms11 stck11 strst12* stdi12 stdo12 stdo11stdi11 strst11* downloaded from: http:///
7/11 DS26900DK02a2 roger sandoval 06/14/2007 2 5 1 0603_5pct_30 0603_5pct_30 stdo14stdi14 stck14 stms14 0603_5pct_30 stdo16stdi16 stck16 stms16 0603_5pct_30 stdo15stdi15 stck15 stms15 stdo13stdi13 stck13 stms13 strst14 strst16 strst15 strst13 30 30 30 30 rp26 4 3 1 5 6 7 8 r20 u2 127 122 128 123 129 124 125 120 126 121 rp24 4 3 2 1 5 6 7 8 r18 rp27 4 3 2 6 7 8 r21 u2 116 111 117 112 118 113 114 109 115 110 r19 rp25 4 3 2 1 5 6 7 8 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 ds26900_u stms14 stck14 stms13 stck13 strst14* stdi14 stdo14 stdo13stdi13 strst13* ds26900_u stms15 stck15 stms16 stck16 strst16* stdo16stdi16 stdo15stdi15 strst15* downloaded from: http:///
DS26900DK02a2 8/11 06/14/2007 roger sandoval r22 8 7 65 1 2 3 4 rp28 99 104 98 103 102 107 101 106 100 105 u2 r23 8 7 65 1 2 3 4 rp29 0603_5pct_30 stdo18stdi18 stck18 stms18 0603_5pct_30 stdo17stdi17 stck17 stms17 strst18 strst17 30 30 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 ds26900_u stms18 stck18 stms17 stck17 strst18* stdi18 strst17* stdi17 stdo17 stdo18 downloaded from: http:///
9/11 roger sandoval DS26900DK02a2 06/14/2007 stms18 21 stdo12 stdi12stms14 35 strst13 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 50 49 48 47 46 45 2 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 1 j13 22 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 50 49 48 47 46 45 2 44 43 42 41 40 39 38 37 36 34 33 32 31 30 29 28 27 26 25 24 23 1 j12 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 50 49 48 47 46 45 2 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 1 j11 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 50 49 48 47 46 45 2 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 1 j10 stms15 stck16stdi16 stdo16 strst16 stms16 stck18 stdi18 stdo18 strst18 strst6stms6 stms10 strst10 stdo10 stdi10 stck10 stms9 strst7 stdo7 stdi7 stdo6 stck1 stck3stdo3 strst3 stms3 stck4 stdi4 stdo4 strst4 stms4 stck5 stdi5 stck6stdi6 stck11stdi11 stdo11 strst11 stms11 stck12stms12 stck13 stdi13 stck15 stdi15 stdo15 strst15 stdi1stdo1 stms1 stck2stdi2 stdo2 strst2 stms2 stdi3 strst1 strst5stms5 stdo5 stms7stck8 stdi8 stdo8 stms8 stdi9 strst9 stms13stdi14 strst14 stms17 stck17stdi17 stdo17 stdo13stck14 stdo14 stck7 strst12 strst17 stdo9 stck9 strst8 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 24 23 22 21 17 11 7 4 25 26 20 19 9 1 8 16 12 10 2 14 3 6 5 18 15 13 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 24 23 22 21 17 11 7 4 25 26 20 19 9 1 8 16 12 10 2 14 3 6 5 18 15 13 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 24 23 22 21 17 11 7 4 25 26 20 19 9 1 8 16 12 10 2 14 3 6 5 18 15 13 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 24 23 22 21 17 11 7 4 25 26 20 19 9 1 8 16 12 10 2 14 3 6 5 18 15 13 downloaded from: http:///
06/14/2007 10/11 DS26900DK02a2 roger sandoval .1uf c14 c13 c12 c11 c9 c8 c1 c2 c3 c4 2 1 ds16 r24 1 2 d1 j15 j14 1 h2 1 h1 1 h3 1 h4 1 h6 1 h5 10uf10uf 10uf 10uf .1uf .1uf .1uf .1uf .1uf 164-6219 164-6218 black i92 .50standoff__nut i90 i91 i94i95 red 330 i93 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 conn_banana_2p a b conn_banana_2p a b 4 4 4 4 4 4 v3_3 v3_3 downloaded from: http:///
fixed the 'treq1' & 'treq2' nets, which were incorrect in initial sketch. added hi/lo jumpers to the gpio nets so that the led's will light when the gpio signals are high in both the input and the output modes. 10/31/2007 - 'a2' - added the revision history page. updated page numbering. 8/8/2007 - 'a1' - corrected connection of ds1 & ds2 - cathode to ground. 6/18/2007 - distributed 'a0' version for review. revision history: 06/14/2007 11/11 roger sandoval DS26900DK02a2 page: date: title: engineer: a a b b c c d d 1 1 2 2 3 3 4 4 5 5 6 6 7 7 88 downloaded from: http:///

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