TSC1 Technical Manual
Contents
1. 5 wire voltage reference inputs LK7 LK9 Fit these jumpers when interfacing to 5 wire resistive touchscreens These jumpers are also fitted when interfacing to 4 wire touchscreens see 4 wire interface jumper settings below LK7 Description C When interfacing with 5 wire and 4 wire resistive touchscreens Default setting CT When interfacing with 8 wire resistive touchscreens LK9 Description C When interfacing with 5 wire and 4 wire resistive touchscreens Default setting E CT When interfacing with 8 wire resistive touchscreens 2005 Arcom Issue E 11 TSC1 Technical Manual 4 wire interface LK8 LK9 LK10 and LK11 These jumpers are used when interfacing with 4 and 8 wire resistive touchscreens They must be fitted when interfacing to 4 wire resistive touchscreens and removed when using 8 wire touchscreens LK8 CH L LK9 LK10 LK11 O 2005 Arcom Issue E Description Interface with 4 wire resistive touchscreen Interface with 8 wire resistive touchscreen Description Interface with 4 wire resistive touchscreen Interface with 8 wire resistive touchscreen Description Interface with 4 wire resistive touchscreen Interface with 8 wire resistive touchscreen Description Interface with 4 wire resistive touchscreen Interface with 8 wire resistive touchscreen Jumpers and connectors Default setting Default setting Hil Default setting2. Default setting 12 TSC1 Technical Manual Jumpers and connectors Jumper settings The following diagrams illustrate the TSC1 jumper settings required for the interfaces and output modes you might use 4 wire interface 8 bit output mode factory default PWR TX RX i um um D1 D2 D3 LK4 IC4 LKS LK6 2005 Arcom Issue E 13 TSC1 Technical Manual Jumpers and connectors 8 wire interface 8 bit output mode PWR TX RX 8 wire interface 10 bit outout mode PWR TX RX a um D1 D2 D3 LK1 LK2 O 2005 Arcom Issue E 14 TSC1 Technical Manual Jumpers and connectors 5 wire interface 8 bit output mode PWR TX RX 5 wire interface 10 bit output mode PWR TX RX i a ee ies D1 D2 D3 LK3 LK1 LK2 2005 Arcom Issue E 15 TSC1 Technical Manual Connectors There are 6 connectors on the TSC1 Connector Function PL3 PL1 PL5 PL2 PL4 PL6 PL3 Serial port Serial port Alternative serial port Power input 8 wire touchscreen interface 5 wire touchscreen interface 4 wire touchscreen interface 9 way D type female connector Pin 1 2005 Arcom Issue E Signal Pin Signal Not connected 6 Not connected TX to SBC 7 Not connected RX unused 8 Reserved Not connected 9 Reserved GND 0V See Page 16 Page 17 Page Page Page LO Page N S Jumpers and connectors 16 TS
3. 3M and Dynapro are trademarks of 3M Limited All other trademarks recognized Revision history Manual PCB Date Comments Issue A VII 8 Nov 2001 First release of manual Issue B V112 11 July 2002 Connector pinouts changed on V1 Iss2 boards Issue C V112 mod A 24 June 2003 10 bit Operation option added Issue D V112 mod A 23 July 2003 Jumper setting correction for 5 wire interface Issue E V112 mod C gin May 2005 Jumper LK4 operation added 2006 Arcom Arcom is a subsidiary of Eurotech Group www eurotech com For contact details see page 28 UKAS QUALITY MANAGEMENT Arcom operates a company wide quality management system which has been certified by the British Standards Institution BSI as compliant with S09001 2000 TSC1 Technical Manual Contents Contents BEV Cl ONS o p ER DR RS RS RO A 4 Handing your board Salely AR RR RD RPE NR CR RR RR ERR NR 4 TSC1 touchscreen controller at a glance i een erre ree ana 5 Featres Or he KE 6 ADOUAT ee ere eee eee T COTA SOM EE T Jumpers eene ee 8 S ll e 9 OS CEO EE 16 PES Sela e EE 16 PET Alemalve NEU Ren d 17 er ON ME 17 PL2 8 wire touchscreen Imiertace ec ccecceeec erre anaa era era rare rare era area arenas 18 PL4 5 wire touchscreen Imiertace ires eere errar ease cera re encena are anne anna 18 PL6 4 wire touchscreen Imiertace erre are er eee rara re ea re era re arenas 19 SE pio pia e E 20 Serial interface port 20 leien e
4. 9 output mode 21 3 3M 29 31 4 4 wire touchscreen 12 19 20 5 5 wire panel 11 touchscreen 18 20 8 8 bit output mode 21 8 wire panel 10 touchscreen 12 18 20 A abbreviations 32 acronyms 32 AMT 29 31 anti static 4 B backlight inverters 26 baud select 10 O 2005 Arcom Issue E C cable 20 21 inverter 26 routing 26 touchscreen interface 26 calibration 24 25 CMOS 4 code source 28 compatible touchscreens 29 connectors 16 Phoenix 17 contact details 28 continuous touch mode 21 copyright 2 D dimensional information 30 disclaimer 2 drivers 23 10 bit 23 Touch Base 31 touchscreen calibration 24 Dubox 18 19 E ELO 29 31 EMC 4 F features 6 H handshaking 20 interfaces 6 inverter cable 26 33 TSC1 Technical Manual J jumpers 9 reserved 9 settings 13 L LED 6 power 22 receive 22 transmit 22 mode 6 output 21 touch 21 MTBF 6 N noise reduction 21 26 null modem 20 O operating systems 23 temperature 6 25 operation mode 6 output mode 21 select 9 p packaging 4 Phoenix connector 17 PL1 20 PL2 18 20 PL3 16 20 PL4 18 20 PL5 17 O 2005 Arcom Issue E PL6 19 20 polarity 27 port serial 16 20 serial alternative 17 power consumption 6 27 input 6 input connector 27 LED
5. Panel Contact URL wires size 3M Dynapro DTFP 95638 4 6 4 3M Touch Systems DTFP 95627 4 10 4 RES 15 1 PL8 8 15 1 AMT Corp 9501 4 6 4 AMT ELO 487669 000 also caled 5 6 4 Elo TouchSystems FLT06 4 001 0H0 WASP WSP9724 4 12 1 WASP touchscreens If you are using a touchscreen panel not on this list and you have difficulty controlling it using the TSC1 please contact the Arcom Technical Support team See Appendix A Contacting Arcom page 28 Please have available the full details of the touchscreen panel including manufacturer and model number panel size number of wires i e 4 5 or 8 and the panel connector pin out Also please provide details of the TSC1 link settings the version issue and mod status of the TSC1 and the version and issue of the TSC1 firmware printed on the label of IC4 see TSC1 touchscreen controller at a glance page 5 2005 Arcom Issue E 29 TSC1 Technical Manual Appendix C Dimensional information Appendix C Dimensional information PL2 PL1 a o PL3 lt O x D D O A PL4 D PL5 N N 8 E of 51 4 m ee 15 0 2005 Arcom Issue E BOARD OUTLINE 75 0 X 50 0 ALL DIMENSIONS IN MM TOLERANCES 0 1 mm A HOLES 3 OFF 3 25 128 THOU 4 4 38 7 30 TSC1 Technical Manual Appendix D Reference information Appendix D Reference information Product information Product not
6. and communicating at 4800 baud Earlier TSC1 boards V111 boards or V112 boards without MOD status box A marked only ran in 8 bit mode There are also a number of third party drivers available that are compatible with the TSC1 running in 8 bit mode see Software drivers on page 23 10 bit output is the preferred mode of operation The performance of the TSC1 is greatly improved when running in 10 bit mode Links LK2 and LK3 should be set to select 10 bit output at 19200 baud See Jumpers on page 9 for more information The Arcom 10 bit drivers must be used when running in this mode me The TSC1 determines whether it should run in 8 bit or 10 bit mode only upon a hardware reset If changing link LK2 or LK3 the board must be reset to ensure correct operation 2005 Arcom Issue E 21 TSC1 Technical Manual Using the TSC1 LEDs The position of the LEDs on the TSC1 is shown in the following picture Power LED TX valid touch LED DE Ai E Ki sch TSC esse En e Di p Ae DE DE a Self G4V U 3 0 J648 vili Each LED is described in more detail below Power LED The PWR LED D1 demonstrates that the board is correctly powered and that the on board microcontroller program is running Transmit active The TX LED D2 illuminates whenever there is a valid touch on the touchscreen panel Receive active The RX LED D3 is currently unused and reserved for future development O 2005 Arcom Issue E 22 TSC1 Techni
7. and install it in an anti static working area Packaging Should a board need to be returned to Arcom please ensure that it is adequately packed preferably in the original packing material Use an anti static bag for the board and use a box rather than a bag to physically protect the board G An anti static bag is not required if the board is being returned in the original Development Kit box which has an anti static foam interior Damage caused in transit may invalidate a warranty claim Electromagnetic compatibility EMC The TSC1 is classified as a component with regard to the European Community EMC regulations It is the user s responsibility to ensure that systems using the board are compliant with the appropriate EMC standards Arcom EMC tests of the TSC1 have shown that the RF emissions of the board are well below standard international EMC limits and that it is unlikely to contribute significantly to the RF emissions spectrum of any system in which it is used O 2005 Arcom Issue E 4 TSC1 Technical Manual Introduction TSC1 touchscreen controller at a glance Serial port Alternative serial port LEDs SATIR J a amp 8 wire touchscreen interface GR ep ep ep ep ep 5 ET ET A L gr Ss BS a hd 0000 II Ps PEA ad UFI DS 5 wire touchscreen interface J g7 E al A IAN 5 5 AT rast ALE RE R29 Dm E orbe CH hd r SS Crt q 5 4 1WIRE
8. 1223 410 457 Tel 913 549 1000 E mail euro sales arcom com Fax 913 549 1002 E mail us sales arcom com Full information about all Arcom products is available on our Web site at www arcom com While Arcom s sales team can assist you in making your decision the final choice of boards or systems is solely and wholly the responsibility of the buyer Arcom s entire liability in respect of the boards or systems is as set out in Arcom s standard terms and conditions of sale If you intend to write your own low level software you can start with the source code on the disk supplied This is example code only to illustrate use on Arcom s products It has not been commercially tested No warranty is made in respect of this code and Arcom shall incur no liability whatsoever or howsoever arising from any use made of the code Technical support Arcom has a team of technical support engineers who can provide assistance if you have any problems with your TSC1 board Technical support US Technical support Europe Tel 913 549 1010 Tel 44 0 1223 412 428 Fax 913 549 1001 Fax 44 0 1223 403 409 E mail us support arcom com E mail euro support arcom com 2005 Arcom Issue E 28 TSC1 Technical Manual Appendix B Compatible touchscreens Appendix B Compatible touchscreens The following table provides a list of some of the resistive touchscreen panels that have been tested with the TSC1 Manufacturer Model number Number of
9. 22 supply 27 product information 31 R receive LED 22 returns 4 RF emissions 4 21 26 RS232 6 20 RS485 6 RX 22 S serial port 16 17 20 signal lines 20 source code 28 static 4 storage temperature 6 25 sub zero temperatures 25 support technical 28 symbols 7 T technical support 28 temperature operating 6 25 range 25 storage 6 25 sub zero 25 touch mode 21 Touch Base 23 drivers 31 touchscreens compatible 29 trade marks 2 transmit LED 22 TX 22 W warranty 2 4 WASP 29 31 Windows XP 23 34
10. 240 004 crimps 76357 401 Pin Signal name 4 1 1 Y Top 2 Y Bottom X X X X 3 X Right 4 X Left 2005 Arcom Issue E 19 TSC1 Technical Manual Using the TSC1 Using the TSC Serial interface port The TSC1 serial port is a standard RS232 serial interface PL3 should be connected to a standard PC RS232 serial communications port either directly or via a serial port extender cable i e a straight through connection of pins 2 3 and 5 Do not use a null modem crossover cable The RS232 interface cable must not be longer than 3m Only the transmit TX and receive RX signal lines and ground are used Neither the RS232 modem hardware handshaking signals nor software handshaking Xon Xoff are used As an alternative to PL3 the 10 way header connector PL1 can be used instead The pin out for this has been designed for connection via a straight pin to pin 10 way ribbon cable to a 10 way header serial port connector used on many Arcom single board computers Touchscreen interface The TSC1 is connected to your resistive touchscreen via one of the Dubox style connectors PL2 PL4 or PL6 Touchscreen type Use connector See 4 wire PL6 Page 19 5 wire PL4 Page 18 8 wire PL2 Page 18 The pin out and style of these connectors has been chosen to connect directly to many of the more common touchscreen panels However you should check the pin out of the touc
11. A VREF gAV U 3 0 J648 Vit Power IC4 microcontroller 4 wire touchscreen interface 2005 Arcom Issue E 5 TSC1 Technical Manual Introduction Features of the TSC1 The features included in the TSC1 are described below Interfaces e Link selectable interface to 4 5 or 8 wire resistive touchscreens e RS232 interface to single board computer 4800 or 19200 baud e Optional RS485 interface variant for long distance communication Contact the Arcom sales team for further details see page 28 e 10 bit A D selectable 8 bit or 10 bit output to single board computer Operation mode e Operates in continuous touch mode LEDs e Power and valid touch LEDs Power e 5V DC power input e Power consumption typically 35mA 5V DC Temperature e 0 C to 60 C 32 F to 140 F operating temperature range e 20 C to 85 C 4 F to 185 F storage temperature range MTBF e 743 000 hours calculated using generic figures from MIL HDBK 217F at ground benign 2005 Arcom Issue E 6 TSC1 Technical Manual About this manual About this manual This manual describes the operation and use of the TSC1 It is designed to be a reference and user manual and includes information about all aspects of the board Conventions Symbols The following symbols are used in this guide Explanation Note information that requires your attention Tip a handy hint that may provide a useful alternative or save time Caution pro
12. Analog Resistive Touchscreen Controller Technical Manual rcom Think Embedded Think Arcom TSC1 Technical Manual Definitions Arcom is the trading name for Arcom Control Systems Inc and Arcom Control Systems Ltd Disclaimer The information in this manual has been carefully checked and is believed to be accurate Arcom assumes no responsibility for any infringements of patents or other rights of third parties which may result from its use Arcom assumes no responsibility for any inaccuracies that may be contained in this document Arcom makes no commitment to update or keep current the information contained in this manual Arcom reserves the right to make improvements to this document and or product at any time and without notice Warranty This product is supplied with a full 3 year warranty Product warranty covers failure caused by any manufacturing defects Arcom will make all reasonable effort to repair the product or replace it with an identical variant Arcom reserves the right to replace the returned product with an alternative variant or an equivalent fit form and functional product Delivery charges will apply to all returned products Please go to www arcom com support for information about product return forms Trademarks Windows 98 Windows NT Windows 2000 and Windows XP are trademarks or registered trademarks of the Microsoft Corporation Dubox is a trademark of Framatome Connectors International
13. C1 Technical Manual Jumpers and connectors PL1 Alternative serial port 10 way 0 1 IDC boxed header Pin Signal Pin Signal 1 Not connected 2 Not connected 3 TX to SBC 4 Not connected 5 RX unused 6 Reserved T Not connected 8 Reserved 9 GND 0V 10 Not connected PL5 Power input 3 way 2 part Phoenix connector G The TSC1 is supplied with the mating 3 way connector Pin Signal 3 1 1 5V DC o o 2 GND x x x 3 GND 7 7 2005 Arcom Issue E 17 TSC1 Technical Manual Jumpers and connectors PL2 8 wire touchscreen interface 8 way right angled 0 1 Dubox type Suitable mating part Dubox FCI housing 65240 008 crimps 76357 4071 Pin Signal name 8 1 1 Te Top Excite Ss 2 Ts Top Sense 3 Bs Bottom Sense 4 Be Bottom Excite 5 Le Left Excite 6 Ls Left Sense 7 Rs Right Sense 8 Re Right Excite PL4 5 wire touchscreen interface 5 way right angled 0 1 Dubox type Suitable mating part Dubox FCI housing 65240 005 crimps 76357 4071 Pin Signal name 5 1 1 H Top Right p RW 2 X Bottom Right Mo Mo X X x 3 S Sense 4 Y Top Left 5 L Bottom Left 2005 Arcom Issue E 18 TSC1 Technical Manual Jumpers and connectors PL6 4 wire touchscreen interface 4 way right angled 0 1 Dubox type Suitable mating part Dubox FCI housing 65
14. ave found that many analog resistive touchscreen membranes become distorted when exposed to temperatures below 0 C 32 F The TSC1 controller is not designed to operate below 0 C 32 F Operation over a wide temperature range When used over a wide temperature range the measured touch position on a touchscreen panel will vary relative to the temperature of both the touchscreen and the TSC1 The absolute difference between the actual touch position and measured touch position will be most prominent in the top right hand corner of the panel for most touchscreen panels where the X and Y coordinates are largest To minimise the positional error associated with temperature change the touchscreen calibration procedure should ideally be carried out at a temperature in the middle of the temperature range that it is to be used over The exact positional error over the full temperature range depends on the touchscreen used Tests at Arcom have shown that the error due to the temperature of the touchscreen is normally greater than that due to the temperature of the TSC1 If a touchscreen is expected to be used normally near one extreme of the temperature range then it makes sense to calibrate when it is at this temperature 2005 Arcom Issue E 25 TSC1 Technical Manual Using the TSC1 Interference due to RF emissions The TSC1 resistive touchscreen controller works by driving a potential difference across two sides of the touch pane
15. cal Manual Using the TSC1 Software drivers 8 bit drivers 10 bit drivers The board is designed to operate with Arcom or Touch Base touchscreen drivers Output from the board is at 4800 baud and in the configuration e X position 1byte e Y position 1byte e Y position again 1byte Arcom drivers are available for various operating systems including e Microsoft Windows CE v3 0 and Net e Windows 98 2000 XP e XP Embedded e Arcom Embedded Linux You may use any Arcom supplied driver with the TSC1 These drivers are available from the Arcom website at www arcom com A The Arcom drivers must not be used with non Arcom supplied hardware without the prior permission of Arcom Drivers for Microsoft Windows 95 98 Windows NT Windows 2000 and DOS 6 22 are available from Touch Base Ltd Information about these drivers and some evaluation software can be found on the Touch Base website at www touch base com Please contact Touch Base for information and licensing arrangements When the TSC1 is set for 10 bit output it must be used with a suitable Arcom 10 bit driver Arcom drivers are available for e Microsoft Windows CE v3 0 and Net e Windows 98 2000 XP e XP Embedded e Arcom Embedded Linux 2005 Arcom Issue E 23 TSC1 Technical Manual Using the TSC1 These drivers are available from the Arcom website at www arcom com They expect output from the TSC1 at 19200 baud Output from the board i
16. ceeding with a course of action may damage your equipment or result in loss of data Jumper is fitted Hex vi RI Jumper is not fitted O 2005 Arcom Issue E D TSC1 Technical Manual Jumpers and connectors Jumpers and connectors The following diagram shows the jumpers and connectors on the TSC1 Click on any jumper or connector name for more information PLS L1 LK1 LK2 LKS PL2 LARR SERIAL GREEN ji a ey a K W cen wi D CU PL4 PL6 sM Eram Za D EENEG JE4B Vill bso eia iy Far PLS LK6 LKS LK4 L N IS A EN m A MEN O A co mm Oo O 2005 Arcom Issue E 8 TSC1 Technical Manual Jumpers and connectors Jumpers There are 11 user selectable jumpers on the TSC1 They are summarised in the following table Jumper Description See LK1 Reserved Do not fit Page 9 LK2 10 bit output select Page 9 LK3 Baud select Page 10 LK4 8 wire panel option Page 10 LKS 5 wire panel select Page 11 LK6 Low voltage programming Page 11 LK7 5 wire voltage reference input Page 11 LK8 4 wire resistive touchscreen interface Page 12 LK9 5 wire voltage reference input and 4 wire resistive Page 12 touchscreen interface LK10 4 wire resistive touchscreen interface Page 1 LK11 4 wire resistive touchscreen interface Page 12 Reserved jumper LK1 This jumper is unused Do not fit Default setting 1 10 bit output select LK2 This jumper can be used to enable 10 bit
17. hscreen you are using with the pin out of the TSC1 connector see Connectors page 16 An interface cable may be required to correctly connect the TSC1 with your touchscreen 2005 Arcom Issue E 20 TSC1 Technical Manual Using the TSC1 A resistive touchscreen controller works by driving a potential difference across two sides of the touch panel and then measuring the resulting voltage on another of the panel wires when a touch is made The TSC1 has been successfully tested with unshielded ribbon cables up to 1 5m long between the TSC1 and the touchscreen We recommend however that any interface cable is kept as short as possible This is particularly important in areas of high RF emissions which may induce noise onto the touchscreen interface cable resulting in an unstable or inaccurately reported touch position Modes of operation Touch mode The TSC1 board currently only supports continuous touch mode Whenever a valid touch is detected on the touchscreen the coordinates are passed to the processor board If the touch is continuous the TSC1 continually transmits a stream of touch coordinate data to the processor board until no touch is detected Output mode 8 bit or 10 bit The TSC1 uses a 10 bit A D converter It can however output with either 8 bit resolution or 10 bit resolution 8 bit output mode is used when using the TSC1 with a single board computer or PC running with legacy or third party 8 bit driver software
18. ices updated drivers support material 24 hour online ordering WWW afrcom com Touch Base driver information Information about drivers for Microsoft Windows 95 98 Windows NT Windows 2000 and DOS 6 22 and some evaluation software www touch base com 3M Touch Systems panel Information about the touchscreen panel manufactured by 3M Touch Systems WWw 3m com us electronics mfg touch systems index jhtml AMT Corp touchscreen panel Information about the touchscreen panel manufactured by AMT Corp www amtouch com tw Elo TouchSystems panel Information about the touchscreen panel manufactured by Elo TouchSystems www elotouch com WASP touchscreens panel Information about the touchscreen panel manufactured by WASP touchscreens www waspswitches co uk 2005 Arcom Issue E 31 TSC1 Technical Manual A D CMOS DC EMC FCI IDC LED MTBF PC PCB RF RS RX TFT TSC TX O 2005 Arcom Issue E Appendix E Acronyms and abbreviations Appendix E Acronyms and abbreviations Analog to Digital Complementary Metal Oxide Semiconductor Direct Current Electromagnetic Compatibility Framatome Connectors International Internet Database Connector Light Emitting Diode Mean Time Between Failures Personal Computer Printed Circuit Board Radio Frequency Recommended Standard Receive Thin Film Transistor TouchScreen Controller Transmit 32 TSC1 Technical Manual Index 1 10 bit drivers 23 output
19. l and then measuring the resulting voltage on another of the panel wires when a touch is made If used in an area where there are high RF emissions noise may be induced onto the touchscreen interface cable resulting in an inaccurate response or even a complete failure of operation The backlight inverters used with TFT flat panel displays can be a source of RF interference It is recommended that the backlight inverter and its cabling be kept as far as possible from the TSC1 and its cabling The inverter cabling and the TSC1 touchscreen interface cable should not be routed together 2005 Arcom Issue E 26 TSC1 Technical Manual Power supply Power supply Power input The TSC1 should be powered from a regulated 5V DC supply 0 25V Current consumption of the board is typically 35mA The polarity of the power input connector is shown on the PCB Powering the board with the incorrect polarity or with a voltage greater than 5 25V may damage the board and will invalidate the warranty O 2005 Arcom Issue E 27 TSC1 Technical Manual Appendix A Contacting Arcom Appendix Contacting Arcom Arcom sales Arcom s sales team is always available to assist you in choosing the board that best meets your requirements Contact your local sales office or hotline Sales office US Sales office Europe Arcom Arcom 7500W 161 Street Clifton Road Overland Park Cambridge Kansas CB1 EA 66085 UK USA Tel 01223 411 200 Fax 0
20. output from the TSC1 C The host SBC must use compatible 10 bit driver software LK2 Description Enable 10 bit output from TSC1 Default setting C__ C TSC1 output is 8 bit only 2005 Arcom Issue E 9 TSC1 Technical Manual Jumpers and connectors Baud select LK3 This jumper can be used to change the baud rate from 4800 to 19200 G You should normally use 19200 when running in 10 bit mode and 4800 baud when running in 8 bit mode LK3 Description El 19200 baud Default setting UC 4800 baud 8 wire panel option LK4 Some large 8 wire panels may have valid touches at the extreme edges of the panel that are not detected as valid touches by the TSC1 You can fit this jumper to extend the range of valid inputs for 4 and 8 wire operation me This jumper is not fitted for normal operation LK4 Description EM Range of valid inputs extended Default setting 1 C Standard input range 2005 Arcom Issue E 10 TSC1 Technical Manual Jumpers and connectors 5 wire panel select LK5 This jumper must be fitted when interfacing to 5 wire resistive touchscreens See also jumpers LK7 and LKQ below LK5 Description C When interfacing with 5 wire resistive touchscreens Default setting 1 O When interfacing with 4 or 8 wire resistive touchscreens Low voltage programming LK6 This jumper is for factory use only and is fitted when your TSC1 is supplied Do not remove Default setting
21. s in the configuration e X coordinate LSB least significant byte e X coordinate MSB most significant byte e Y coordinate LSB e Y coordinate MSB e Y coordinate LSB e Y coordinate MSB General software driver information Once the software driver has been installed on your processor board or PC the touchscreen touchscreen controller must be calibrated Instructions for installing the drivers and for calibrating the touchscreen are included with the Arcom supplied drivers me The calibration data is stored on the PC or single board computer that is running the software driver If the touchscreen or touchscreen controller used is changed the calibration procedure must be repeated For an explanation of calibration issues with respect to temperature see Operation over a wide temperature range on the following page me There may be a small difference in the reported position of a touch for a short period after the TSC1 is switched on while the TSC1 microcontroller reaches its operating temperature 2005 Arcom Issue E 24 TSC1 Technical Manual Using the TSC1 Temperature issues The TSC1 has been designed and tested to operate over a temperature range of 0 C to 60 C 32 F to 140 F This is a wider range than the effective operating range of most resistive touchscreen panels The storage temperature range of the TSC1 is 20 C to 85 C 4 F to 185 F Operation below 0 C Tests conducted at Arcom h
22. te a CO EE A O E E EE O E 20 NIOGES ege e EE 21 BR ER SO TEV AS EES 23 TEMPE E 25 Interference due to RF EMISSIONS eee eeereeere eee rre aerea re area rea re aa rennn a 26 Beet 8 9 EE 21 FON Si WON oe tarai AA S ee meena oumcee aun 21 Appendix A Contacting ANO assa aid asa a di KA Die a Ra eee 28 Appendix B Compatible touchescreeng tr eereereeeeeree rear aerea iieii 29 Appendix C Dimensional information cccceccceeeseeeseeeneeeeeeeeeteeteeeeeeeeeeeeeeseeeeeeeeteeeteeneeees 30 Appendix D Reference information se eeeeeeeree cercar e ea re area r ear e nara een 31 Appendix E Acronyms and abbreviations ie eereereere eee ree rear e rea re need 32 GO i E E ateiow anes ain ota E roe uae ees ous ER O 2005 Arcom Issue E 3 TSC1 Technical Manual Introduction Introduction The TSC1 is an analog resistive touchscreen controller board It serves as an interface between 4 5 or 8 wire resistive touchscreens and an Arcom single board computer via one of its serial ports For information about ordering boards please contact a member of the Arcom sales team See Appendix A Contacting Arcom page 28 Handling your board safely Anti static handling This board contains CMOS devices that could be damaged in the event of static electricity being discharged through them At all times please observe anti static precautions when handling the board Always unpack
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