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datasheet dmc co., ltd. projected capacitive touch screen controller board EXC7200 series user?s guide ver sion 1.2
document no. dec-s0002a projected capacitive touch screen controller board EXC7200 series user?s guide
document no. dec-s0002a 1 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide table of contents 1. product overview .................................................................................................................... 2 1-1. products applic able ....................................................................................................... ....................2 1-2. ov erview .................................................................................................................. ..........................2 2. specifi cati ons .............................................................................................................. ............ 2 3. drawings .................................................................................................................................. 3 3-1. interface / connection to the host computer ............................................................................... ......3 3-2. exc 7236................................................................................................................... .........................3 3-3. exc 7237................................................................................................................... .........................3 3-3. exc 7238................................................................................................................... .........................4 4. conne ctor................................................................................................................... .............. 5 4-1. explanation of c onnecto rs ..................................................................................................................5 5. warranty .................................................................................................................... ............... 6 5-1. warrant y peri od ........................................................................................................... ......................6 5-2. warrant y tar get ........................................................................................................... ......................6 5-3. warranty except ions ....................................................................................................... ...................6 6. precaution s for use ................................................................................................................ 7 6-1. general handling .......................................................................................................... .....................7 6-2. ot hers .................................................................................................................... ............................7 7. changes & improvem ents ...................................................................................................... 8 7-1. versio n history........................................................................................................... ........................8
document no. dec-s0002a 2 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 1. product overview 1-1. products applicable this specification is applicable to EXC7200 series. 1-2. overview EXC7200 series is a controller board that works as a coordinates-generator for projected capacitive touch screen. this controller board supports both usb and rs232c. EXC7200 series is lead-free and compliant with rohs. 2. specifications item rating remarks operating temp. -20c to +80c no dew condensation storage temp. -20c to +85c no dew condensation supply voltage dc 5.0v +/-5% 50mv peak to peak maximum ripple and noise consumption current 50ma (typ) format asynchronous serial transfer rate 57,600bps data format 8bit stop bit 1bit interface /rs232c parity none spec usb specification 1.1 full speed hid digitizer device communicating to windows?7 interface /usb device class vendor definition communicating to other computers coordinate output rate (point/sec) 200p/s single touch 50set/s 2 point touch (2point/set) dual touch is supported coordinate resolution 11bit (2048 x 2048) the origin of theoretical coordinat e left side of the top ?x=0,y=0 ? max height of components 5.5 mm top side of the board matrix 30 x 23 channels of wire exc7236 dimension 80 x 28 mm matrix 52 x 40 channels of wire exc7237 dimension 125 x 28 mm matrix 78 x 51 exc7238 dimension 140 x 28 mm windows?7 hid digitizer device / usb windows? 2000,xp,vista,7 ce,embedded usb/rs232c linux usb/rs232c mac usb supported operating system qnx rs232c
document no. dec-s0002a 3 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 3. drawings 3-1. interface / connection to the host computer fig.1 3-2. exc7236 fig.2 3-3. exc7237 fig.3
document no. dec-s0002a 4 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 3-3. exc7238
document no. dec-s0002a 5 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 4. connector 4-1. explanation of connectors cn terminal name function remarks 1 gnd ground 3 v:5v +5v power or usb vbus 5 gnd ground 7 d+ usb d+ 9 d- usb d- for usb 2 gnd ground 4 v:5v +5v power 6 gnd ground 8 tx rs232c txd (exc72** > computer) connection to the host computer pn : compatible with jst s10b-phdss 10 rx rs232c rxd (exc72** < computer) for rs232c j1 connection to the touch screen j2 connection to the touch screen EXC7200 series has both serial and usb interfaces and can support either communication port. usb and serial interfaces cannot be used simultaneously. fig.4 connection to the host computer
document no. dec-s0002a 6 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 5. warranty 5-1. warranty period the warranty period is limited to 1 year from the date of shipping. t he warranty for the initial defection such as appearance defection is limited to 1 month. any defected parts under proper use will be examined by the supplier and replaced by the new parts if the defection is considered to be caused by the supplier. the replacement is subject to be included in the next lot. 5-2. warranty target the warranty only covers the product itself and does not cover any damage to others caused by using this product. onsite repair or replacement is not supported. we will do our best for delivery problem and product defections, but the warranty for the production line is not covered. 5-3. warranty exceptions following conditions are not covered with the warranty and subject to charge. any malfunctions and damages during transportation and transfer by the user. any malfunctions and damages caused by a natural disaster or a fire. any malfunctions and damages caused by static electricity any malfunctions and damages caused by the failure of the associated equipment. if the product is remodeled, disassembled or repaired by the user. if the product is glued onto the equipment and uninstalled. any malfunctions and damages caused by an improp er usage and handling agains t the specifications and notes.
document no. dec-s0002a 7 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 6. precautions for use 6-1. general handling keep the product away from any conductive objects while in use. do not touch the conductive part of the product to avoid being damaged by the electrostatic discharge. follow the proper procedure for handling. keep the product in the proper storing env ironment and avoid any load to the product. do not use or store the product in the severe condition like following: wet environment or a condition where the product is likely to get wet. where dew condensation is likely to occur. near solvent or acid. do not take apart or alter the product. 6-2. others the contents of this document are subject to change without notice. the manufacturer or sales represent atives will not be liable for any da mages or loss arising from use of this product. this product is intended for use in standard applications (c omputers, office automat ion, and other office equipment, industrial, communications, and meas urement equipment, personal and household devices, etc.) please avoid using this product for special app lications where failure or abnormal operation may directly affect human lives, or cause physical injury or property damage, or where extremely high levels of reliability are required (such as aer ospace systems, vehicle operating control, atomic energy controls, medical devices for life support, etc.). any semiconductor devices have inherently a certain ra te of failure. the user must protect against injury, damage, or loss from such failures by incorporating safety design measures into the user?s facility and equipment.
document no. dec-s0002a 8 rev.1.2 ?2010 dmc co., ltd. EXC7200 series board user?s guide 7. changes & improvements 7-1. version history EXC7200 series ver 1.0 (june 1, 2010) first release ver 1.1(july 29,2010) a.?the origin of theoretical coordinate? is added. b. the pin assignment numbering of the communi cation port on the connector was changed. (position of the pin assignment signals is left unchanged) ? ver 1.2(april 28,2011) a. exc7236 number of electrodes (matrix) changed: 31 x 23 30 x 23 b. new model exc7238 was added c. explanations on the signal txd and rxd were added. rs232c txd (exc72** > computer) rs232c rxd (exc72** < computer) EXC7200 series board user?s guide rev. 1.2, aprl 28, 2011 ?2010 dmc co., ltd. this document can be freely distributed, but any alternation to this document is prohibited. dmc co., ltd. http://www.dmccoltd.com/english/ 9 th floor, kanda sento building, 1-2-4 yush ima, bunkyo-ku, tokyo 113-0034, japan phone: +81-3-5209-7131 (japanese), 713 5 (english) fax: +81-3-5209-7130
our company network supports you worldwide with offices in germany, great britain, italy, turkey and the usa. for more information please contact: distec gmbh augsburger str. 2b 82110 germering germany phone: +49 (0)89 / 89 43 63-0 fax: +49 (0)89 / 89 43 63-131 e-mail: info@datadisplay-group.de internet: www.datadi splay-group.de display technology ltd. 5 the oaks business village revenge road, lordswood chatham, kent, me5 8lf united kingdom phone: +44 (0)1634 / 67 27 55 fax: +44 (0)1634 / 67 27 54 e-mail: info@datadisplay-group.co.uk internet: www.datadisplay-group.co.uk data display s.r.l. via marco polo, 9/d i-35010 trebaseleghe (pd) italy phone: +39 049 / 72 40 038 fax: +39 049 / 72 40 039 e-mail: info@datadisplay-group.it internet: www.datadisplay-group.it data display teknoloji elektronik san ve di ? tic a. ? . kustepe leylak sok. nursanlar is merkezi kat. 6 no: 21 sisli / istanbul turkey phone: +90 (0)212 / 356 04 20 fax: +90 (0)212 / 356 04 25 e-mail: info@datadisplay-group.com.tr internet: www.datadisplay-group.com.tr apollo display technologies, corp. 87 raynor avenue, unit 1 ronkonkoma, ny 11779 united states of america phone: +1 631 / 580-43 60 fax: +1 631 / 580-43 70 e-mail: info@datadisplay-group.com internet: www.datadisplay-group.com

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