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User's Guide

SLAU199 – March 2007

TSC2007EVM and TSC2007EVM-PDK User's Guide

This

user's

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 auxiliary 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 Overview

...............................................................................................................

2

2

Analog Interface

..............................................................................................................

2

3

Digital Interface

..............................................................................................................

3

4

Power Supplies

..............................................................................................................

3

5

EVM Operation

...............................................................................................................

4

6

Kit Operation

.................................................................................................................

5

7

EVM Bill of Materials

........................................................................................................

9

8

TSC2007EVM Schematic

.................................................................................................

11

9

USB-MODEVM Schematic

................................................................................................

11

List of Figures

1

TSC2007EVM-PDK Block Diagram

......................................................................................

6

2

Default Software Screen

...................................................................................................

7

List of Tables

1

EVM-Compatible Device Data Sheets

....................................................................................

1

2

Analog Interface Pinout

.....................................................................................................

2

3

Digital Interface Pinout

......................................................................................................

3

4

Power Supply Pinout

........................................................................................................

3

5

Power Selection Options - JMP1

..........................................................................................

3

6

List of Jumpers

...............................................................................................................

5

7

TSC2007EVM Bill of Materials

.............................................................................................

9

8

USB-MODEVM Bill of Materials

..........................................................................................

10

SLAU199 – March 2007

TSC2007EVM and TSC2007EVM-PDK User's Guide

1

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Summary of Contents for TSC2007EVM

Page 1: ...CE LITERATURE NUMBER TSC2007 SBAS405 TAS1020B SLES025 REG1117 5 SBVS001 TPS767D318 SLVS209 SN74LVC125A SCAS290 SN74LVC1G125 SCES223 SN74LVC1G07 SCES296 Contents 1 EVM Overview 2 2 Analog Interface 2 3 Digital Interface 3 4 Power Supplies 3 5 EVM Operation 4 6 Kit Operation 5 7 EVM Bill of Materials 9 8 TSC2007EVM Schematic 11 9 USB MODEVM Schematic 11 List of Figures 1 TSC2007EVM PDK Block Diagram...

Page 2: ... MODEVM interface board and evaluation software for use with a personal computer running Microsoft Windows operating systems 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 ana...

Page 3: ...GND 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 ...

Page 4: ...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 posit...

Page 5: ... the TSC2007EVM This is the default mode The following section provides information on using the TSC2007EVM PDK including setup program installation and program usage 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 descri...

Page 6: ...ce However provision is made for driving all the data buses I2 C SPI and I2 S AC97 externally The source of these signals is controlled by SW2 on the USB MODEVM 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...

Page 7: ...ured 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 shoul...

Page 8: ... 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 c...

Page 9: ... start at any number then X Y Z1 Z2 AUX TEMP0 and TEMP1 columns Every new reading is a new row in the file 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 Numbe...

Page 10: ... 1000pF 50V Ceramic TDK C1608C0G1H102J Chip Capacitor 5 NPO C15 0 1µF 16V Ceramic TDK C1608X7R1C104K Chip Capacitor 10 X7R C16 C17 0 33µF 16V Ceramic TDK C1608X5R1C334K Chip Capacitor 20 Y5V C9 C10 C11 C12 C22 C23 1µF 6 3V Ceramic TDK C1608X5R0J105K C24 C25 C26 C27 C28 Chip Capacitor 10 X5R C1 C2 C3 C4 C5 C6 C7 10µF 6 3V Ceramic TDK C3216X5R0J106K C8 Chip Capacitor 10 X5R D1 50V 1A Diode MELF SMD ...

Page 11: ... 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 J14 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 JMP...

Page 12: ..._TSM 110 01 L DV P J2B BOTTOM SAM_SSW 110 22 F D VS J3A TOP SAM_TSM 105 01 L DV P J3B BOTTOM SAM_SSW 105 22 F D VS 1 2 3 JMP1 PWR SELECT TP10 SCL TP11 SDA TP4 X TP5 X TP6 Y TP7 Y TP8 AUX TP9 PENIRQ C3 0 1uF C1 0 1uF C2 10uF C4 NI C5 NI C6 NI C7 NI PENIRQ B1 SCL D1 SDA C1 A1 C2 A0 B2 VDD A2 X A3 Y B3 X C3 Y D3 AUX A1 GND D2 U1 TSC2007IZZZ A0 2 A1 4 A2 6 A3 8 A4 10 A5 12 A6 14 A7 16 REF 18 REF 20 A0...

Page 13: ... C10 1uF C11 1uF C12 1uF USB SLAVE CONN EXT PWR IN 6 00 MHZ 6463996 RED 1OE 1 1A 2 1Y 3 2OE 4 2A 5 2Y 6 GND 7 3Y 8 3A 9 3OE 10 4Y 11 4A 12 4OE 13 VCC 14 U3 SN74LVC125APW 1OE 1 1A 2 1Y 3 2OE 4 2A 5 2Y 6 GND 7 3Y 8 3A 9 3OE 10 4Y 11 4A 12 4OE 13 VCC 14 U4 SN74LVC125APW 2 4 5 3 U5 SN74LVC1G07DBV IOVDD IOVDD C23 1uF R6 2 7K C22 1uF IOVDD C27 1uF 3 3VD 2 4 5 3 U7 SN74LVC1G07DBV C26 1uF R7 2 7K 3 3VD 3 ...

Page 14: ... 17 AGND 19 J11 DAUGHTER ANALOG VA 2 5VA 4 DGND 6 VD1 8 5VD 10 VA 1 5VA 3 AGND 5 1 8VD 7 3 3VD 9 J23 DAUGHTER POWER GPIO0 2 DGND 4 GPIO1 6 GPIO2 8 DGND 10 GPIO3 12 GPIO4 14 SCL 16 DGND 18 SDA 20 CNTL 1 CLKX 3 CLKR 5 FSX 7 FSR 9 DX 11 DR 13 INT 15 TOUT 17 GPIO5 19 J22 DAUGHTER SERIAL 5VD 5VA A0 2 A1 4 A2 6 A3 8 A4 10 A5 12 A6 14 A7 16 REF 18 REF 20 A0 1 A1 3 A2 5 A3 7 AGND 9 AGND 11 AGND 13 VCOM 15...

Page 15: ...roduct 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...

Page 16: ...siness practice TI 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 necess...

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