Texas Instruments TSC2013EVM Manuale utente

User's Guide

SLVUA92–July 2014

TSC2013EVM User's Guide

1 Introduction

This user's guide describes the characteristics, operation, and use of the TSC2013 evaluation module

(EVM). This EVM, featuring the TSC2013 resistive dual-touch controller, is a fully-functional USB-powered

platform that allows 4-wire resistive touch-screen panels to be connected to the USB port of a PC or

laptop for evaluation. A complete circuit description, schematic diagram, and bill of materials are included

in this document.

The following related documents are available through the Texas Instruments web site at www.ti.com.

The following lists devices and corresponding device data sheets of devices that are compatible with this

EVM:

• TSC2013, SLVSC89

• DRV2605, SLOS825

• REG1117-33, SBVS001

• MSP430F247, SLAS547I

2 EVM Overview

2.1 Features

The TSC2013EVM is a complete evaluation and demonstration kit that includes a USB-based board and

evaluation software for use with a personal computer running Microsoft Windows® operating systems

(OS).

3 Analog Interface

The TSC2013EVM is designed for easy interfacing to 4-wire resistive touch screen panels.

Table 1. Analog Interface Pinout

PIN NUMBER SIGNAL DESCRIPTION

J300.1 Y– Touch screen Y- electrode

J300.2 X– Touch screen X- electrode

J300.3 Y+ Touch screen Y+ electrode

J300.4 X+ Touch screen X+ electrode

SLVUA92–July 2014 TSC2013EVM User's Guide

Digital Interface

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4 Digital Interface

The TSC2013EVM is designed to easily interface with multiple control platforms.

Table 2. Digital Interface Pinout

PIN NUMBER SIGNAL DESCRIPTION

J202.1 GND

J202.2 RST Hardware reset input

J202.3 SDA_A Serial data I/O

J202.4 SCL_A Serial clock

J202.5 INT_TSC Interrupt output (for host systems)

J202.6 GND

J201.1 RXD_Debug Receiving asynchronous data input. For debug purpose.

J201.2 GND

J201.3 TXD_Debug Transmit Asynchronous Data Output. For debug purpose.

5 Power Supplies

The USB connection supplies the TSC2013EVM with power. Onboard regulators generate the required

supply voltages and no further power supplies are necessary. The power-supply voltage has an LED

(LED502) that lights up when the power supplies are active.

6 EVM Operation

The following section provides information on the analog input, digital control, and general operating

conditions of the TSC2013EVM.

6.1 Analog Input

The analog input sources (touch screen) can be applied directly to pin J300.

6.2 Digital Control

The digital control signals are applied through the USB connection and no other connections are required.

The TSC2013EVM can also be connected to a DSP or microcontroller interface board through the J202

pin. If external I2C control is desired, remove the following resisters: R231, R232, and R233.

2TSC2013EVM User's Guide SLVUA92–July 2014

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FT232

MSP430

DRV2605

LRA Motor

TSC2013

Resistive

Touch Panel

I2CI2C

USB

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Kit Operation

7 Kit Operation

The following section provides information on using the TSC2013EVM, including setup, program

installation, and program usage.

7.1 TSC2013EVM-PDK Block Diagram

Figure 1 shows a block diagram of the TSC2013EVM. The TSC2013 and DRV2605 device are both

controlled by an MSP430™ microcontroller (MCU) through an I2C interface. One resistive touch panel is

connected to the TSC2013 device by a 4-pin FPC connector and an LRA motor is attached as an

actuator. The FT232 device is a USB-to-serial UART interface and is used to transfer data from the

MSP430 MCU to the host PC or is used to receive commands from the host PC.

Figure 1. TSC2013EVM Block Diagram

SLVUA92–July 2014 TSC2013EVM User's Guide

Kit Operation

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7.2 Quick Start

Place the CD-ROM into CD-ROM drive of the PC. Locate the Setup.exe program on the disk and execute

the program. The setup program installs the TSC2013 evaluation software on the PC. Follow the

instructions and prompts given to correctly install the software.

After the software is installed, a dialog box appears with instructions for installing the FTDI CDM drivers

which are a self-extracting archive. Click the Extract button to proceed. The archive extracts the files and

automatically runs the installer for the FTDI CDM Drivers which is shown in Figure 2.

When the driver installation is complete, attach a USB cable from the PC to the TSC2013EVM board. The

board receives power from the USB interface and therefore the power-indicator LED (LED502) on the

TSC2013EVM should light up when the USB cable is attached. When the USB cable is connected to the

PC and the EVM board, launch the TSC2013 evaluation software on the PC. A screen similar to the one

in Figure 4 should appear when the software is launched.

Figure 2. FTDI CMD Drivers Installer Screen

Figure 3. Serial Settings Screen

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Kit Operation

Figure 4. Default Software Screen

In order to use the touch-screen features, a 4-wire resistive-touch screen must be connected to the J300

pin of the TSC2013EVM, as previously described.

Click the Serial Settings button and the window shown in Figure 3 opens. Select the correct port and click

the OK button. Click the Connect button and the word Connected appears with a green background in the

bottom left of the screen. Figure 4 shows the word Disconnected with a red background.

If the port number is unknown, navigate to the PC Device Manager from the Control Panel that is located

on the Start Menu of a PC running a Windows OS. Expand the Ports (COM & LPT) list to view the ports.

Select the port that has an annotation beginning with USB Serial Port as shown in Figure 5.

Figure 5. Device Manager Screen

SLVUA92–July 2014 TSC2013EVM User's Guide

Kit Operation

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7.3 Program Description

After the TSC2013EVM software is installed, the EVM board can be used to evaluate and develop the

TSC2013 device.

7.3.1 1-Finger Trace Panel

The touch-screen box in the 1-Finger Trace Panel is updated when a touch is detected on the touch

screen (see Figure 6). When the touch screen is drawn on, the drawing motion on the touch screen is

translated into pixels on this box.

The display can be cleared by pressing the Clear button on the screen.

Figure 6. 1-Finger Trace Screen

7.3.2 2-Finger Gesture Panel

The TSC2013EVM supports three types of gestures which are zoom in or out, rotation, and 1-finger flick.

Pictures are updated when a gesture is detected by the firmware in the MSP430 device (see Figure 7).

For example, if a user performs a zoom in or zoom out gesture on the touch panel, the picture on the

screen zooms in or out at the same time that the gesture is performed.

Figure 7. 2-Finger Gesture Screen

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EVM Bill of Materials (BOM) and Schematic

8 EVM Bill of Materials (BOM) and Schematic

Table 3 lists the complete BOM for the modular TSC2013EVM.

Table 3. TSC2013EVM Bill of Materials

DESIGNATORS DESCRIPTION MANUFACTURER PART NUMBER

C100, C101, C102, C103, C104, 10-µF, capacitor,10%,SMT0805 AVX 0805YD106KAT2A

C300, C303, C501

C200, C202 1-µF, capacitor,10%,SMT0603 KEMET C0603C102K3GACTU

C201 1-nF, capacitor,10%,SMT0603 TDK C0603X5R1E102K030BA

C203, C503 10-nF, capacitor,SMT0603 KEMET C0603C103K4RACTU

C204, C205 12-pF, capacitor,5%,SMT0603 TDK C0603C0G1E120J030BA

C301, C302, C305, C404, C405, 100-nF, capacitor,10%,SMT0603 AVX 06033C104KAT2A

C500, C502, C504

FB200, FB500 Ferrite bead, 100-Ωat 100 Fair-Rite 2508051017Y0

MHz,SMT0805

F500 Fuse, 0.5-A, SMT0805 Multicomp MCF0805B0R50FSTR

J200 Connector, header, 2 rows, 14-pin TE Connectivity / AMP 1-1634688-4

J201 Connector, header, right angle, single TE Connectivity / AMP 826947-3

row, 3-pin

J202 Connector, header, right angle, single TE Connectivity / AMP 826949-6

row, 6-pin

J300 Receptacle FPC, 1-MM Molex 52271-0479

J400 LRA Motor AAC AAC1030

J500 Mini-USB type-B receptacle Würth Elektronik 65100516121

LED500, LED501, LED502 LED, Green, SMT0805 Würth Elektronik 150080GS75000

R231, R232, R233, R300, R405, Resistor, 0, 5%, 0.1-W, SMT0603 Panasonic ERJ-3GEY0R00V

R407

R200 Resistor, 47-kΩ,5%, 0.1-W, SMT0603 Panasonic ERJ3GEYJ473V

R201, R202, R207, R208, R222, Resistor, 4.7-kΩ, 5%, 0.1-W, Panasonic ERJ3GEYJ472V

R223 SMT0603

R203, R204, R205, R206, R209, Resistor, 100-Ω, 5%, 0.1-W, Panasonic ERJ3GEYJ101V

R212, R213, R214, R224, R302, SMT0603

R303, R308, R408, R505

R228, R229, R230, R404, R406 Resistor, 10-kΩ, 5%, 0.1-W, SMT0603 Panasonic ERJ3GEYJ103V

R309 Resistor, 47-Ω, 5%, 0.1-W, SMT0603 Panasonic ERJ3GEYJ470V

R500, R501, R502 Resistor, 22-Ω, 5%, 0.1-W, SMT0603 Panasonic ERJ3GEYJ220V

R503, R504, R506 Resistor, 1-kΩ, 5%, 0.1-W, SMT0603 Panasonic ERJ3GEYJ102V

SW200 DIP switch OMRON A6S-3104-H

U100, U101 Single output LDO, 800-mA, fixed Texas Instruments REG1117-3.3

(3.3-V)

U200 16-bit MCU, 32-KB Flash, 4-KB RAM Texas Instruments MSP430F247TPMR

U300 Resistive dual-touch controller Texas Instruments TSC2013QPWRQ1

U401 Haptic driver for ERM-LRA Texas Instruments DRV2605YZFR

U500 USB to serial UART FTDI Chip FT232RL

Y200 Crystal, 11.0592-MHz, SMD TXC CORPORATION 9C-11.0592MAAJ-T

— LCD touch panel Fujitsu T010-1301-T320

SLVUA92–July 2014 TSC2013EVM User's Guide

FT232

UART -> USB

MSP430F247

TSC2013 DRV260x

5V -> 3V3

SDA_A

SCL_A

SDA_A

SCL_B

SDA_B

SCL_B

SDA_B

SCL_A

PWM_DRV260x

DRV_EN

PWM_DRV260x

TSC2013

3V3_A

/RST

SCL_A

SDA_A

/INT_TSC

MSP430xx

Vcc

/RST

SCL_A

SDA_A

SCL_B

SDA_B

/INT_TSC

RXD

TXD

DRV_PWM

DRV_EN

/RST_UART

DRV2605_2603

DRV2605

Vbus

SDA_B

SCL_B

PWM

DRV_EN

Power

3V3_D

3V3_A

Vbus

UART2USB

Vbus

TXD

RXD

/RST_UART

TSC2013EVM Schematics

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9 TSC2013EVM Schematics

The schematic diagrams are provided for reference.

Figure 8.

8TSC2013EVM User's Guide SLVUA92–July 2014

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From

MiniUSB port To MSP430x

To TSC2013

3V3_D

3V3_A

Vbus

C103

10uF

C100

10uF R101

DNP

C101

10uF

C104

10uF

C102

10uF

U101

REG1117 -3V3

GND

VOUT 2

VIN

Sink

3V3_A

U100

REG1117 -3V3

GND

VOUT 2

VIN

Sink

3V3_D

From USB 5V

From MSP430x

PWM

DRV_EN

Vbus

SDA_B

SCL_B

Vcc_DRV

C403

100nF

J400

LRA

U401

DRV2605

IN/TRIG

SCL

VERG 2

SDA

VDD 8

OUT+ 3

GND

OUT- 9

C401

100nF

OUT-

R403

DNP

R407

R401

DNP

R404

10k

U400

DRV2603

PWM

LRA/ERM

NC 4

GND

OUT- 6

Vdd 7

GND

OUT+ 9

GND

R400

DNP

OUT+

R402

10k

C402

10nF

SDA_B

C404

100nF

DRV_EN DRV_PWM

C400

10uF

R408

100

SCL_B

C405

100nF

R405

R406

10k

FB400

100Ohm @ 100MHz

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TSC2013EVM Schematics

Figure 9.

Figure 10.

SLVUA92–July 2014 TSC2013EVM User's Guide

MSP430XX 4-wire JTAG port

To DRV260x

To TSC2013

From TSC2013

To FT232RL

/RST_NMI

RXD_Debug

TDO_TDI

TDI

TMS

TCK

/RST_NMI

TXD_Debug

TCK

TMS

TDI

TDO_TDI

SCL_A

SDA_A

SCL_B

SDA_B

Vcc

DRV_PWM

DRV_EN

/RST

/INT_TSC

TXD

RXD

/RST_UART

Vcc_MCU

C200

1uF

LED202

BLUE

ZoomoOut

C202

1uF

R228

R204 100

R218

1.5k

R215

1.5k

R230

10k x 3

C201

1nF

R212

100

R207

4.7k

R219

1.5k

LED201

BLUE

ZoomIn

R200

47k

R229

R208

4.7k

V201

DNP

R206 100

R201

4.7k

R213

100

Y200

11.0592MHz

C203

10nF

V205

DNP

R220

1.5k

R205 100

C205

12pF

R214

100

LED206

BLUE

Down

LED204

BLUE

Right

LED203

BLUE

Left

R209

100

C204

12pF

R221

1.5k

R224

100

R222

4.7k

V202

DNP

R202

4.7k

LED200

BLUE

TouchDetected

R233 0

R223

4.7k

R203 100

J201

UART

R216

1.5k

R231 0

V204

DNP

U200

MSP430F247

DVcc

P6.3_A3

P6.4_A4

P6.5_A5

P6.6_A6

P6.7_A7_SVSIN

Vref+

XIN

XOUT

Veref+

Vref-_Veref-

P1.0_TACLK_CAOUT

P1.1_TA0

P1.2_TA1

P1.3_TA2

P1.4_MCLK

P1.5_TA0

P1.6_TA1

P1.7_TA2

P2.0_ACLK_CA2

P2.1_TAINCLK_CA3

P2.2_CAOUT_TA0_CA4

P2.3_CA0_TA1

P2.4_CA1_TA2

P2.5_Rosc_CA5

P2.6_ADC12CLK_CA6

P2.7_TA0_CA7

P3.0_UCB0STE_UCA0CLK

P3.1_UCB0SIMO_UCB0SDA

P3.2_UCB0SOMI_UCB0SCL

P3.3_UCB0CLK_UCA0STE

P3.4_UCA0TXD_UCA0SIMO

P3.5_UCA0RXD_UCA0SOMI 33

P3.6_UCA1TXD_UCA1SIMO 34

P3.7_UCA1RXD_UCA1SOMI 35

P4.0_TB0 36

P4.1_TB1 37

P4.2_TB2 38

P4.3_TB3 39

P4.4_TB4 40

P4.5_TB5 41

P4.6_TB6 42

P4.7_TBCLK 43

P5.0_UCB1STE_UCA1CLK 44

P5.1_UCB1SIMO_UCB1SDA 45

P5.2_UCB1SOMI_UCB1SCL 46

P5.3_UCB1CLK_UCA1STE 47

P5.4_MCLK 48

P5.5_SMCLK 49

P5.6_ACLK 50

P5.7/TBOUTH_SVSOUT 51

XT2OUT 52

XT2IN 53

TDO_TDI 54

TDI_TCLK 55

TMS 56

TCK 57

RST_NMI 58

P6.0_A0 59

P6.1_A1 60

P6.2_A2 61

AVss 62

DVss 63

AVcc 64

V203

DNP

V200

DNP

LED205

BLUE

SW200

J200

JTAG

J202

CON6

C206

DNP

FB200

100Ohm @ 100MHz

R232 0

R217

1.5k

TSC2013EVM Schematics

www.ti.com

Figure 11.

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