Texas Instruments TSC2007EVM-PDK User's Manual
Contents
1. 1 2 3 4 6 REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED D 5VA J13A TOP SAM_TSM 105 01 L DV P J13B BOTTOM SAM_SSW 105 22 F D VS K DAUGHTER ANALOG jis J11A TOP SAM_TSM 110 01 L DV P VA VA C SCLK J11B BOTTOM SAM_SSW 110 22 F D VS K 5VA 5VA H A AGND DGND ss YA 5VD 1 8VD VDI E P33 3 3 D 5VD J12A TOP SAM_TSM 110 01 L DV P P3 4 J12B BOTTOM SAM_SSW 110 22 F D VS K JPROXI P3 5 c lt P1 0 RESET ICNDD PWR_DWN 5VA 5VA 5VD TP3 C3 INT lt MISO 10uF MOSI SCL J3 5VA 5VD SDA a 2 7K D7 SML LX0603GW TR SML LX0603GW TR GREEN Y GREEN ES 7 I2SDOUT M I2SDIN M LRCLK l BCLK P1 1 H B ed P1 2 po LI P1 3 MCLK 5VA DAUGHTER ANALOG DAUGHTER SERIA J22A TOP SAM_TSM 110 01 L DV P 7 J21A TOP SAM_TSM 110 01 L DV P J22B BOTTOM SAM_SSW 110 22 F D VS K J21B BOTTOM SAM_SSW 110 22 F D VS K J23A TOP SAM_TSM 105 01 L DV P gt J23B BOTTOM SAM_SSW 105 22 F D VS K vid T A DATA ACQUISITION PRODUCTS HIGH PERFORMANCE ANALOG DIVISION SEMICONDUCTOR GROUP 6730 SOUTH TUCSON BLVD TUCSON AZ 85706 USA ENGINEER RICK DOWNS Lu USB MODEVM INTERFACE DRAWN BY ROBERT BENJAMIN DOCUMENT CONTROL NO 6463996 SIZE B DATE 10 Jun 2004 REV A SHEET 2 OF 2 FILE G USB Motherboard Modular Evm Schematic USB Motherboard M dEvm ddb Docume 1 2 3 42. Kit Operation TSC2007EVM Xto SDA E x SCL bes TSC2007 Y S F AUX PENIRQ F 7 KA Fi 7 Pi Al Fa J Ed F f 7 j EWM Position 1 7 74 Ed va Control Interface e SPI 120 TAS1020B EVM Position 2 USB 8052 lt q USB microcontroller 125 AC97 l e Audio Interface Figure 1 TSC2007EVM PDK Block Diagram The USB MODEVM interface board is intended to be used in USB mode where control of the installed EVM is accomplished using the onboard USB controller device However provision is made for driving all the data buses I C SPI and I S AC97 externally The source of these signals is controlled by SW2 on the USB MODEVM 6 2 Quick Start Before installing the TSC2007EVM board on top of the USB MODEVM board check SW2 1 SW2 2 and SW2 3 on the USB MODEVM board to ensure that at least one of these three is OFF Ensure that the TSC2007EVM is installed on the USB MODEVM interface board The TSC2007EVM should be installed in the topmost position using J11 J12 and J13 on the USB MODEVM 6 TSC2007EVM and TSC2007EVM PDK User s Guide SLAU199 March 2007 Submit Documentation Feedback INSTRUMENTS www ti com Kit Operation Place the CD ROM into your PC CD ROM drive Locate the Setup program on the disk and run it The Setup program will ins
3. 1 PC mount J11A J12A J21A J22A 20 pin SMT plug Samtec TSM 110 01 L DV P J11B J12B J21B J22B 20 pin SMT socket Samtec SSW 110 22 F D VS K J13A J23A 10 pin SMT plug Samtec TSM 105 01 L DV P J13B J23B 10 pin SMT socket Samtec SSW 105 22 F D VS K J6 4 pin double row header 2x2 Samtec TSW 102 07 L D 0 1 314 J15 12 pin double row header 2x6 Samtec TSW 106 07 L D 0 1 JMP1 JMP4 2 position jumper Samtec TSW 102 07 L S 0 1 spacing JMP8 JMP14 2 position jumper Samtec TSW 102 07 L S 0 1 spacing JMP5 JMP6 3 position jumper Samtec TSW 103 07 L S 0 1 spacing JMP7 3 position dual row jumper Samtec TSW 103 07 L D 0 1 spacing sw1 SMT half pitch 2 position C amp K Division ITT TDAO2HOSK1 switch SW2 SMT half pitch 8 position C amp K Division ITT TDAO8HOSK1 switch Jumper plug Samtec SNT 100 BK T The schematic diagram is provided as a reference 8 TSC2007EVM Schematic 9 USB MODEVM Schematic The schematic diagram is provided as a reference SLAU199 March 2007 Submit Documentation Feedback TSC2007EVM and TSC2007EVM PDK User s Guide 11 2 3 4 5 6 REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED vec c2 10uF TP5 TP6 TP7 C1 Y J2A TOP SAM_TSM 110 01 L DV P J2B BOTTOM SAM_SSW 110 22 F D VS CNTL GPIOO CLKX DGND SCL CLKR GPIO1 PENG FSX GPIO2 SDA F
4. 6 EVALUATION BOARD KIT IMPORTANT NOTICE Texas Instruments Tl provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances ROHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICUL
5. evaluation demonstration kit which includes a USB based motherboard called the USB MODEVM interface board and evaluation software for use with a personal computer running Microsoft Windows operating systems 2 Analog Interface For maximum flexibility the TSC2007EVM is designed for easy interfacing to multiple analog sources Samtec part numbers SSW 110 22 F D VS K and TSM 110 01 T DV P provide a convenient 10 pin dual row header socket combination at J1 This header socket provides access to the analog input pins of the TSC Consult Samtec at www samtec com or call 1 800 SAMTEC 9 for a variety of mating connector options Table 2 Analog Interface Pinout PIN NUMBER SIGNAL DESCRIPTION J1 2 X Touch screen X electrode J1 4 X Touch screen X electrode J1 6 Y Touch screen Y electrode J1 8 Y Touch screen Y electrode J1 10 Unused J1 12 AUX Auxiliary input 0 V to VREF J1 14 Unused J1 16 Unused J1 18 Unused J1 20 Unused J1 15 Unused J1 1 J1 19 odd AGND Analog ground connections except J1 15 NI Speedy 33 is a trademark of Hyperception Inc EC is a trademark of Koninklijke Philips Electronics N V The Netherlands Windows is a trademark of Microsoft Corporation SPI is a trademark of Motorola Inc 2 TSC2007EVM and TSC2007EVM PDK User s Guide SLAU199 March 2007 Submit Documentation Feedback xi TEXAS INSTRUMENTS www ti com Digital Interface 3 Digit
6. panel In the middle of this panel is an indicator light that shows the IC Bus Status If the TSC2007 is acknowledging the address sent the light is green if the TSC2007 cannot acknowledge the light is red The address to which the TSC2007 is set is shown in binary format in the box labeled Device Address AT A0 The address set here should be 00 when using the TSC2007EVM Even though the TSC2007 has two pins AO and A1 for users to select four different I2C addresses the TSC2007EVm has only a fixed address 1001000b where AO A1 0 because both AO and A1 are tied to ground See the TCS2007EVM schematic provided in this document TSC2007EVM and TSC2007EVM PDK User s Guide SLAU199 March 2007 Submit Documentation Feedback xi TEXAS INSTRUMENTS www ti com EVM Bill of Materials The two power down bits of the TSC2007 can be set from this panel as well A brief description of the mode selected is shown on the screen when setting these bits see Table 3 Command Byte Definitions of the TSC2007 data sheet SBAS405 for details on what these bits do 6 4 4 Datalogging The software can record the data it takes from the TSC2007 to a tab delimited file suitable for importing into spreadsheets To do this first go into the File menu and select Log Data to File which opens a file select window and allows vou to specifv a file to which to write the data At
7. 0 1 16W 1 Chip Resistor Panasonic ERJ 3EKF27R4V R20 750 1 4W 1 Chip Resistor Panasonic ERJ 14NF75ROU R19 2200 1 10W 5 Chip Resistor Panasonic ERJ 3GEYJ221V R14 R21 R22 390Q 1 10W 5 Chip Resistor Panasonic ERJ 3GEYJ391V R13 649Q 1 16W 1 Chip Resistor Panasonic ERJ 3EKF6490V R9 1 5KQ 1 10W 5 Panasonic ERJ 3GEVJ152V Chip Resistor R1 R2 R3 R5 R6 R7 R8 2 7KQ 1 10W 5 Panasonic ERJ 3GEYJ272V Chip Resistor R12 3 09KQ 1 16W 1 Panasonic ERJ 3EKF3091V Chip Resistor R15 R16 10KQ 1 10W 5 Panasonic ERJ 3GEYJ103V Chip Resistor R17 R18 100KQ 1 10W 5 Panasonic ERJ 3GEYJ104V Chip Resistor RA1 10KQ 1 8W Octal Isolated CTS Corporation 742C163103JTR Resistor Arrav C18 C19 33pF 50V Ceramic TDK C1608C0G1H330J Chip Capacitor 5 NPO C13 C14 47pF 50V Ceramic TDK C1608C0G1H470J Chip Capacitor 5 NPO C20 100pF 50V Ceramic TDK C1608C0G1H101J Chip Capacitor 5 NPO C21 1000pF 50V Ceramic TDK C1608C0G1H102J Chip Capacitor 5 NPO C15 0 1uF 16V Ceramic TDK C1608X7R1C104K Chip Capacitor 10 X7R C16 C17 0 33uF 16V Ceramic TDK C1608X5R1C334K Chip Capacitor 20 Y5V C9 C10 C11 C12 C22 C23 1uF 6 3V Ceramic TDK C1608X5R0J105K C24 C25 C26 C27 C28 Chip Capacitor 10 X5R C1 C2 C3 C4 C5 C6 C7 10uF 6 3V Ceramic TDK C3216X5R0J106K C8 Chip Capacitor 10 X5R D1 50V 1A Diode MELF SMD Micro Commercial Components DL4001 D2 Yellow Light Emitting Diode Lumex SML LX0603YW TR D3 D4 D6 D7 Green
8. 16V Ceramic Chip TDK C1608X7R1C105K Capacitor 10 X7R c2 10uF 16V Ceramic Chip TDK C3216X5R1C106M Capacitor 20 X5R C4 C7 Ceramic Chip Capacitor Not installed U1 12C Touch Screen Controller Texas Instruments TSC2007IZZZ U2 64K 12C EEPROM MicroChip 24AA64 1 SN TSC2007EVM PCB Texas Instruments 6486822 J1A J2A 20 pin SMT plug Samtec TSM 110 01 L DV P J1B J2B 20 pin SMT socket Samtec SSW 110 22 F D VS K J3A 10 pin SMT plug Samtec TSM 105 01 L DV P J3B 10 pin SMT socket Samtec SSW 105 22 F D VS K JMP2 2 position jumper 0 1 spacing Samtec TSW 102 07 L S JMP1 3 position jumper 0 1 spacing Samtec TSW 103 07 L S TP1 Miniature test point terminal Keystone Electronics 5000 TP2 Miniature test point terminal Keystone Electronics 5001 TP4 TP5 TP6 TP7 Miniature test point terminal Keystone Electronics 5002 TP8 Miniature test point terminal Keystone Electronics 5004 TP9 TP10 TP11 Miniature test point terminal Keystone Electronics 5003 Header shorting block Samtec SNT 100 BK G H SLAU199 March 2007 TSC2007EVM and TSC2007EVM PDK User s Guide 9 Submit Documentation Feedback EVM Bill of Materials Table 8 USB MODEVM Bill of Materials Xi TEXAS INSTRUMENTS www ti com Reference Designator Description Manufacturer Manufacturer s Part Number R4 100 1 10W 5 Chip Resistor Panasonic ERJ 3GEYJ100V R10 R11 27 4
9. 2 Analog Interface Pinout oocccccccccnncnnnnnnnncncnnnnnnnnnnnnnnnncnnnnnnnnnr rra ne rnnnnrn EREE EEE EEE EEES 2 3 Digital Interface PiNQUt ooooocococonoccnnocnnnoconc ronca enn rn E rno nos 3 4 POWer SUDDIY PNL a 3 5 Power Selection Options JMPA maeserien ene eE EEEE E E aE 3 6 List OF DUNT OMS is ase ina aj taa 5 7 FESG2007EVM Billof Materials is iii esi ie ie ea 9 8 USB MODEVM Bill Of Material i ma A A G aai 10 SLAU199 March 2007 TSC2007EVM and TSC2007EVM PDK User s Guide 1 Submit Documentation Feedback Y TEXAS INSTRUMENTS www ti com EVM Overview 1 EVM Overview 1 1 Features e Full featured evaluation board for the TSC2007 4 wire resistive touch screen controller TSC e Modular design for use with a variety of DSP and microcontroller interface boards The TSC2007EVM PDK is a complete evaluation kit which includes a USB based motherboard and evaluation software for use with a personal computer running Microsoft Windows operating systems 1 2 Introduction The TSC2007EVM is in the Texas Instruments modular EVM form factor which allows direct evaluation of the performance and operating characteristics of the TSC2007 and eases software development and system prototyping This EVM is compatible with the 5 6K Interface Evaluation Module SLAU104 from Texas Instruments and additional third party boards such as the NI Speedy 33 from National Instruments Corporation www ni com The TSC2007EVM PDK is a complete
10. AR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DE
11. K USB RST_10 V EXT MCK 9 WU IOVDD cos I2SDOUT SCL E LI O TP10 c18 xt c19 l SN74LVC1G07DBV 3 3VD KI 33pF 33pF C26 EXTERNAL AUDIO DATA 24LC641 SN MA 505 6 000M CO KI NY l 6 00 MHZ R7 U8 7K 1uF PWR DWN a i TAS1020BPFB u7 4 2 MISO a G C20 o 9 c J7 USB SLAVE CONN NY ii a mo 8 MOSI 100pF 47 ss A 3g XTALI GND R9 C21 R12 PLLFILI D lll PLLFILO D 001uF 3 09K MCLKI vec PUR DP DM 897 30 004 90 000000 bies DVSS DVSS AVSS l zt ile j o X E e et ae SN74LVC125APW USB RST Pd MRESET USB ACTIVE SML LX0603YW TR YELLOW B INT J8 Q SN74LVC1G07DBV ED555 2DS EXT PWR IN V7 R4 10 VDC 10VDC IN 6 A 6 10 D3 Y SML Lx0603GW TR 10UT PWR SELECT W GREEN 10UT Y D5 SML LXO603IW TR WY Lo SRESET Y U2 V7 2RESET RED la D1 REG1117 5 7 S N 3 2 20UT ho D VIN Q VOUT pS N z 20UT IN gt c15 04001 016 o ki kai 0 1uF 0 33uF m 10uF T CUI STACK PJ102 B Y TPS767D318PWP EXAS 2 5 MM D4 I 7 si d 7 SmLxososaw ra NSTRUMENTS IMI IODD E 1 2 ENABLE or GREEN A 3 3 3VD ENABLE 0 33uF DATA ACQUISITION PRODUCTS CE i NY HIGH PERFORMANCE ANALOG DIVISION SEMICONDUCTOR GROUP REGULATOR ENABLE 6730 SOUTH TUCSON BLVD TUCSON AZ 85706 USA ENGINEER RICK DOWNS MI USB MODEVM INTERFACE KI DRAWN BV ROBERT BENJAMIN DOCUMENT CONTROL NO 6463996 SIZE B DATE 10 Jun 2004 REV A SHEET 1 OF 2 FILE G USB Motherboard Modular Evm Schematic USB Motherboard ModEvm ddb Docume 1 2 3 4 5 6
12. Light Emitting Diode Lumex SML LX0603GW TR D5 Red Light Emitting Diode Lumex SML LX0603IW TR Q1 Q2 N Channel MOSFET Zetex ZXMN6A07F x1 6MHz Crystal SMD Epson MA 505 6 000M CO U8 USB Streaming Controller Texas Instruments TAS1020BPFB U2 5V LDO Regulator Texas Instruments REG1117 5 U9 3 3V 1 8V Dual Output LDO Texas Instruments TPS767D318PWP Regulator U3 U4 Quad Tri State Buffers Texas Instruments SN74LVC125APW U5 U6 U7 Single IC Buffer Driver with Texas Instruments SN74LVC1GO7DBVR Open Drain o p U10 Single Tri State Buffer Texas Instruments SN74LVC1G125DBVR U1 64K 2 Wire Serial EEPROM Microchip 24LC641 SN C USB MODEVM PCB Texas Instruments 6463995 10 TSC2007EVM and TSC2007EVM PDK User s Guide SLAU199 March 2007 Submit Documentation Feedback xi TEXAS INSTRUMENTS www ti com TSC2007EVM Schematic Table 8 USB MODEVM Bill of Materials continued Reference Designator Description Manufacturer Manufacturer s Part Number TP6 TP9 TP10 TP11 TP1 TP2 TP3 TP4 TP5 Miniature test point terminal Keystone Electronics 5000 TP7 TP8 Multipurpose test point Keystone Electronics 5011 terminal J7 USB Type B Slave Connector Mill Max 897 30 004 90 000000 Thru Hole J1 J2 J3 J4 J5 J8 2 position terminal block On Shore Technology ED555 2DS J9 2 5mm power connector CUI Stack PJ 102B J10 BNC connector female AMP Tyco 414305
13. MONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use lt generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference EVM WARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 3 3 V to 5 V and the output voltage range of 0 V to 5 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 30 C The EVM is designed to operate properly with certain comp
14. SR DGND DX GPIO3 vec DR GPIO4 PENIRQ E PENRO 4 INT SCL TOUT DGND Analog Interface TP10 van SDA R3 SCL 2 7K TFT JIA TOP SAM_TSM 110 01 L DV P c3 ca 05 E ce o7 aj ISO200 IZZZ Digital Interface JIB BOTTOM SAM SSW 110 22 F D VS 0 1uF T ji NI NI J3A TOP SAM_TSM 105 01 L DV P J3B BOTTOM SAM_SSW 105 22 F D VS TP1 TP2 vec GND J3 VA VA 5VA 5VA DGND AGND 1 8VD VD1 3 3VD 5VD POWER Interface 24AA641 SN PWR SELECT es xi TEXAS INSTRUMENTS DATA ACQUISITION PRODUCTS HIGH PERFORMANCE ANALOG DIVISION SEMICONDUCTOR GROUP 12500 T I Boulevard Dallas Texas 75243 USA ENGINEER WENDY FANG eS TSC2007EVM DRAWN BY STEVE LEGGIO DOCUMENT CONTROL NO 6486825 size B DATE 5 Jan 2007 REV A SHEET 1 OF 1 FILE 1 2 3 4 5 6 REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED IOVDD 3 3VD 3 3VD J10 i EXT MCLK E E E E E D XMNGAO7F RAI 10K 14 SDA SN74LVC1G125DBV p i y AYONTAN i 42 is gt AO 16 Sa sd ai 15 USB MCK 1 MCK N DI Al 15 a2 USBI2S__10 12SDIN USBI2S 13 ZXMN6A07F itr rt 130 7 BGK USB MCK 12 EXTERNAL 120 A USBSPI 11 SN7ALV IZSAPW NZ LRCL
15. al Interface The TSC2007EVM is designed to easilv interface with multiple control platforms Samtec part numbers SSW 110 22 F D VS K and TSM 110 01 T DV P provide a convenient 10 pin dual row header socket combination at J2 This header socket provides access to the digital control and serial data pins of the TSC Consult Samtec at www samtec com or call 1 800 SAMTEC 9 for a variety of mating connector options Table 3 Digital Interface Pinout PIN NUMBER SIGNAL DESCRIPTION J2 15 PENIRQ Pen Interrupt Output from TSC J2 16 SCL IC bus serial clock J2 4 J2 10 J2 18 DGND Digital ground J2 1 J2 19 odd except Unused J2 15 J2 20 SDA 12C bus data line 4 Power Supplies J3 provides connection to the common power bus for the TSC2007EVM Power is supplied on the pins listed in Table 4 Table 4 Power Supply Pinout SIGNAL PIN NUMBER SIGNAL Unused 1 2 Unused Unused 3 4 Unused DGND 5 6 AGND 1 8VD 7 8 Unused 3 3VD 9 10 Unused When power is supplied to J3 JMP1 allows for one of two different DC voltages to be selected as power for the TSC See the schematic and PCB silkscreen for details The TSC2007EVM PDK motherboard the USB MODEVM interface board supplies power to J3 of the TSC2007EVM Power for the motherboard is supplied either through its USB connection or via terminal blocks on the board 4 1 TSC Power Power for the TSC2007 VCC can be supplied either
16. asic features of the USB MODEVM interface board The board is built around a TAS1020B streaming audio USB controller with an 8051 based core The board features two positions for modular EVMs or one double wide serial modular EVM may be installed For use with the TSC2007 the TSC2007EVM is installed in the topmost EVM slot which connects the TSC2007 digital control interface to the 12C port realized using the TAS1020B Because the TSC2007 has no audio features the lower EVM slot which is connected to the TAS1020B digital audio interface is not used As configured from the factory the board is ready to use with the TSC2007EVM except for SW2 in which case at least one of SW2 1 SW2 2 and SW2 3 must be set to OFF Program Description After the TSC2007EVM PDK software installation described in Section 6 2 evaluation and development with the TSC2007 can begin Touch Screen Functions Panel The touch screen box in this panel is updated when a touch is detected on the touch screen As the touch screen is drawn on the motion on the touch screen is translated into pixels on this box The software takes X Y and Z readings which are shown to the right of the touch screen box As the touch pressure is increased the pixel size increases a lighter touch results in smaller pixel sizes The Z value displayed is not what is described in the TSC2007 data sheet because in the data sheet equation it is assumed that the sheet resistance of the t
17. at they are solely responsible for compliance with all legal and regulatory requirements in connection with such use TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if they use any non designated products in automotive applications TI will not be responsible for any failure to meet such requirements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DSP dsp ti com Broadband www ti com broadband Interface interface ti com Digital Control www ti com digitalcontrol Logic logic ti com Military www ti com military Power Mgmt power ti com Optical Networking www ti com opticalnetwork Microcontrollers microcontroller ti com Security www ti com securitv RFID www ti rfid com Telephony www ti com telephony Low Power www ti com lpw Video amp Imaging www ti com video Wireless Wireless www ti com wireless Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2007 Texas Instruments Incorporated
18. barrel jack JMP6 should have a shunt installed on pins 2 3 If power is applied in any of these ways onboard regulators generate the required supply voltages and no further power supplies are necessary If laboratory supplies are used to provide the individual voltages required by the USB MODEVM interface board JMP6 should have no shunt installed Voltages then are applied to J2 5VA J3 5VD J4 1 8VD and J5 3 3VD The 1 8VD and 3 3VD also can be generated on the board by the onboard regulators from the 5VD supply to enable this supply the switches on SW1 need to be set to enable the regulators by placing them in the ON position lower position looking at the board with text reading right side up If 1 8VD and 3 3VD are supplied externally disable the onboard regulators by placing SW1 switches in the OFF position Each power supply voltage has an LED D1 D7 which lights when the power supplies are active EVM Operation The following section provides information on the analog input digital control and general operating conditions of the TSC2007EVM Analog Input The analog input sources touch screen and auxiliary input can be applied directly to J1 top or bottom side or through signal conditioning modules available for the modular EVM system Digital Control The digital control signals can be applied directly to J2 top or bottom side The modular TSC2007EVM also can be connected directly to a DSP or microcontrol
19. from the 1 8VD terminal or from the 3 3VD terminal JMP1 selects which of these voltages is routed to the TSC2007 When JMPI is in the default factory condition shunt on pins 2 3 power to the TSC comes from J3 9 3 3VD When the shunt is installed on JMP1 pins 1 2 power comes from J3 7 1 8VD Removing the shunt on JMP1 the user can connect any DC power supply between 1 2VD and 3 6VD to VCC by connecting the power to JMP1 pin 2 Table 5 Power Selection Options JMP1 SHUNT ON PINS VDD VOLTAGE FROM J3 PIN 1 2 1 8VD 7 2 3 43 3VD 9 Removed 1 2VD and 3 6VD External SLAU199 March 2007 TSC2007EVM and TSC2007EVM PDK User s Guide 3 Submit Documentation Feedback Wy TEXAS INSTRUMENTS www ti com EVM Operation 4 2 4 3 5 1 5 2 5 3 Stand Alone Operation When used as a stand alone EVM power can be applied to TP1 referenced to TP3 CAUTION Verify that all power supplies are within the safe operating limits shown on the TSC2007 data sheet SBAS405 before applying power to the EVM USB MODEVM Interface Power The USB MODEVM interface board can be powered from several different sources e USB e 6 VDC 10 VDC AC DC external wall supply not included e Laboratory power supply When powered from the USB connection JMP6 should have a shunt from pins 1 2 this is the default factory configuration When powered from 6 VDC 10 VDC either through the J8 terminal block or J9
20. l express and any implied warranties for the associated Tl product or service and is an unfair and deceptive business practice Tl is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agree that they are solely responsible for all legal regulatory and safety related requirements concerning their products and any use of TI products in such safety critical applications notwithstanding any applications related information or support that may be provided by TI Further Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety critical applications TI products are neither designed nor intended for use in military aerospace applications or environments unless the TI products are specifically designated by TI as military grade or enhanced plastic Only products designated by TI as military grade meet military specifications Buyers acknowledge and agree that any such use of Tl products which TI has not designated as military grade is solely at the Buyer s risk and th
21. ler interface board such as the USB MODEVM interface board if purchased as part of the TSC2007EVM PDK See the product folder for the TSC2007 for a current list of compatible interface and or accessory boards Default Jumper Locations Table 6 provides a list of jumpers found on the EVM and their factory default conditions TSC2007EVM and TSC2007EVM PDK User s Guide SLAU199 March 2007 Submit Documentation Feedback xi TEXAS INSTRUMENTS www ti com Kit Operation Table 6 List of Jumpers JUMPER SHUNT POSITION JUMPER DESCRIPTION JMP1 2 3 Analog power select default is 3 3VD JMP2 Closed EEPROM address select When installed and used with the USB MODEVM firmware for the motherboard is executed from the EEPROM on the TSC2007EVM This is the default mode 6 Kit Operation The following section provides information on using the TSC2007EVM PDK including setup program installation and program usage 6 1 TSC2007EVM PDK Block Diagram A block diagram of the TSC2007EVM PDK is shown in Figure 1 The evaluation kit consists of two circuit boards connected together The motherboard is designated as the USB MODEVM interface board the daughtercard is the TSC2007EVM described previously in this manual SLAU199 March 2007 Submit Documentation Feedback TSC2007EVM and TSC2007EVM PDK User s Guide 5 Y TEXAS INSTRUMENTS www ti com
22. med Tl assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using TI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Resale of Tl products or services with statements different from or beyond the parameters stated by TI for that product or service voids al
23. onents above 85 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2007 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to TI s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI s standard warranty Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily perfor
24. ouch screen being used is known The value used in this program is calculated by Equation 2 of the TSC2007 data sheet but without multiplying it by the Rx plate resistance This value ranges from 0 to 3 and larger with larger numbers representing a more forceful press on the screen Using the Maximum Z Value to Display knob you can set a threshold so that the program does not display lightly pressed points This threshold setting helps to eliminate display of spurious points that may result from touch screen mechanical bouncing The display can be cleared by pressing the Clear Graph button on the screen Data Acquisition Functions Panel The TSC2007 has provision for measuring one auxiliary input voltages AUX1 and temperature This panel displays the measured values for these parameters Measurements are updated only when the touch screen is not being pressed Temperature is displayed using both methods described in the TSC2007 data sheet Using the TEMPO and TEMP1 measurements a temperature reading with 2 C resolution and accuracy is achieved Using only the TEMPO measurement a reading with 0 3 C resolution is possible but this option requires knowing the TEMPO value at 25 C this would normally be a calibration that the user would perform This program assumes that TEMPO 600 mV at 25 C Configuration Panel The TSC2007 can be configured to operate in 8 bit or 12 bit resolution modes Control over the mode used is selected in this
25. tall the TSC2007 Evaluation software on your PC Accept the license agreement and continue the installation When the installation completes click Finish on the TSC2007EVM installer window You may be prompted to restart your computer When installation is complete attach a USB cable from your PC to the USB MODEVM interface board As configured at the factory the board is powered from the USB interface so the power indicator LEDs on the USB MODEVM should light Once this occurs launch the TSC2007 evaluation software on your PC It is suggested that users read the readme_install txt file for up to date step by step instructions The software should automatically find the TSC2007EVM and a screen similar to the one shown in Figure 2 should appear gt TSC2007 Evaluation Program tis Texas INSTRUMENTS Temperature using TEMPO amp TEMP 1 23 44 Temperature using TEMPO assumes 600m 25C 33 34 I2C Bus Status il Device Address A1 A0 PDI l POO J 00 o Figure 2 Default Software Screen In order to use the touch screen features a user needs to connect a 4 wire resistive touch screen to J1 of the TSC2007EVM as described previousiv SLAU199 March 2007 TSC2007EVM and TSC2007EVM PDK User s Guide 7 Submit Documentation Feedback Y TEXAS INSTRUMENTS www ti com Kit Operation 6 3 6 4 6 4 1 6 4 2 6 4 3 USB MODEVM Interface Board The simple diagram shown in Figure 1 shows only the b
26. the same time this enables the Datalogging menu When ready to begin recording data to a file select Datalogging gt Start Logging Data is written to the file until Datalogging gt Stop Logging is selected When the screen is not touched the AUX and TEMP values are written to the file and the X Y Z1 and Z2 parameters are written to the file with values of 9999 to indicate that they are not updated When the screen is touched the X Y Z1 and Z2 parameters are written while the AUX and TEMP values are written to the file as 9999 Because the program constantly updates at a rate of about 400 readings per second datalog files can quickly grow large therefore log only that data which is necessary The format of the data file has the first column as the time in milliseconds which is just a timer in the program it can arbitrarily start at any number then X Y Z1 Z2 AUX TEMPO and TEMP1 columns Every new reading is a new row in the file 7 EVM Bill of Materials Table 7 and Table 8 contain a complete bill of materials for the modular TSC2007EVM evaluation board and the USB MODEVM interface board respectively included only in the TSC2007EVM PDK Table 7 TSC2007EVM Bill of Materials Reference Designator Description Manufacturer Manufacturer s Part Number R1 1000 1 8W 5 Chip Resistor Panasonic ERJ 6GEYJ101V R2 R3 2 7kQ 1 10W 5 Chip Resistor Panasonic ERJ 3GEYJ272V R4 20kQ 1 10W 5 Chip Resistor Panasonic ERJ 3GEYJ272V C1 C3 C8 0 1uF
27. xi TEXAS User s Guide INSTRUMENTS SLAU199 March 2007 TSC2007EVM and TSC2007EVM PDK User s Guide This users guide describes the characteristics operation and use of the TSC2007EVM both by itself and as part of the TSC2007EVM PDK This evaluation module EVM is a 4 wire touch screen controller EVM which also has auxiliarv input and temperature measurement capabilities A complete circuit description schematic diagram and bill of materials are included The following related documents are available through the Texas Instruments Web site at www ti com Table 1 EVM Compatible Device Data Sheets DEVICE LITERATURE NUMBER TSC2007 SBAS405 TAS1020B SLES025 REG1117 5 SBVS001 TPS767D318 SLVS209 SN74LVC125A SCAS290 SN74LVC1G125 SCES223 SN74LVC1G07 SCES296 Contents 1 EVM OVENVIEW ist tate hereto iia bli 2 2 Analog Interface i aj incu inna ncn tna nui navi n a al 2 3 Digital Interface ia ai ja a 3 4 Power SUPPOSE a e A dd 3 5 EVM OP ct as 4 6 Kit OPEN A ea 5 7 EVM Bill of Materials wcuinieiadaiasdntiinemenataWadaadudioneavelnanevadnWadudvnlnadawanaiad a a 9 8 TSC2007EVM Schema oasis beesntwaeendnadnsinealeedinacbice 11 9 USB MODEVM Schematic 0 e e ri qa 11 List of Figures 1 TSG2007EVM PEK Block Diagram sisa ied a a dd 6 2 pefalilt Software S reeti ii a a aa naie 7 List of Tables 1 EVM Compatible Device Data Sheets oooccoccccccnccnnccnncnonancnancnonanonancnnncncnnnnancnnnnnncannnanenanancnanes 1
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