AG Neovo TSC-35/RU User's Guide

Analog Resistive Touch Screen Controller

TSC-35/RU User’s Guide

TSC-35/RU User’s Guide

Table of Contents

1. Product Overview .................................................................................................................... 2

1-1. Products Applicable ...........................................................................................................................2

1-2. Overview ............................................................................................................................................2

1-3. Peripheral Composition Overview ......................................................................................................3

2. Specifications .......................................................................................................................... 4

3. Connector................................................................................................................................. 5

3-1. Explanation of a connector terminal ...................................................................................................5

3-2. The mounted connector .....................................................................................................................5

4. Interface type ........................................................................................................................... 6

4-1. Serial mode ........................................................................................................................................6

4-2. USB mode..........................................................................................................................................6

5. Packing Specification ............................................................................................................. 7

5-1. Outline................................................................................................................................................7

5-2. Packing material.................................................................................................................................7

5-3. Outer case and lot label .....................................................................................................................7

5-4. Product name label ............................................................................................................................8

6. Changes & Improvements ...................................................................................................... 9

6-1. Version History...................................................................................................................................9

7. Warranty ................................................................................................................................. 10

7-1. Warranty Period ...............................................................................................................................10

7-2. Warranty Target ...............................................................................................................................10

7-3. Warranty Exceptions ........................................................................................................................10

8. Precautions for Use .............................................................................................................. 11

8-1. General Handling .............................................................................................................................11

8-2. Others ..............................................................................................................................................11

Dimensional Drawing

Document No. DER-S0019A 1 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

1. Product Overview

1-1. Products Applicable

This specification is applicable to TSC-35/RU.

1-2. Overview

TSC-35/RU is 5 wire touch screen controller board that performs an A/D conversion of an analog signal of a 5 wire resistive touch screen, and transmits the coordinate data to the host in a 10-bit resolution serial correspondence at 9600bps and USB. TSC-35/RU can be used for various applications for its functions including the power saving mode, seven sampling speed settings (max. 150p/s *1), two external switch connections, and automatic calibration data loading with an external EEPROM.

§ TSC-35/RU TSC-35/RU dispenses a need to newly design the peripheral circuits, and can easily be used by connecting to the touch screen and the host. Using the driver software *2 enables the mouse emulation on various operation systems and dispenses the need to newly design the controller software.

TSC-35/RU is the product compatible with software of the TSC-25 series.

*1: 150 transmissions of coordinate data per second.

*2: Please contact the local sales representatives for software availability.

TSC-35/RU is a succeeding model of the boards of the TSC-25 series. TSC-35/RU is lead-free and compliant with RoHS.

Document No. DER-S0019A 2 Rev.1.1 ©2008 DMC Co., Ltd.

5V

TSC-35/RU User’s Guide

1-3. Peripheral Composition Overview

5 wire resistive touch screen is operated by resistance sensitive system between two layers such as film or glass. Two pieces of transparent materials with conductive coating are placed in the same direction as two electrodes face each other. The 5 wire touch screen is activated when these transparent conductive layers are pressed to contact each other with a finger or a pen. The one of these conductive layers functions as an X/Y-coordinates electric circuits and the other as a detection circuits.

To measure the X-coordinates, TSC-35/RU makes two corners Vcc among four corners. And makes others GND. When the touch screen is pressed under this environment the voltage of the X-coordinates resistance is detected by the detection layer (A_in) at the input point (x1), where the X-Y coordinate resistance layers make contact. The detected voltage in supply side is higher than the GND side, which means ‘A_in’=Vcc at the point ‘E’ and ‘A_in’=0(*1) at the point ‘A’. TSC-35/RU calculates coordinates data starting from A/D conversion of the ‘A_in’ voltage. The Y-coordinates is measured in the same way.

By repeating this process alternately, coordinate value at the input point is determined.

(*1) Excluding the loss in the controller circuits and touch screen. Actual detected voltage should be lower than ‘Vcc - GND’ because of loss happened in the circuitry.

(Detection layer)

A_in Vcc = 5.0V xl

(Drive layer) C

D

E

A

B

A_in Output Data

0V 0000h (Min.)

1.25V 00FFh

2.5V 01FFh

3.75V 02FFh

E D C B A

(Touch Screen)

Detection layer

Drive layer

Touch xl

Vcc

(TSC-35/RU)

A_in

(TSC-30/IC)

To host

E D C B A

Document No. DER-S0019A 3 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

2. Specifications

General Specifications

Operating Temp.

Storing Temp.

Supply Voltage

Serial/USB

Serial/USB

Serial

USB

Consumption Current

0°C to +70°C

-20°C to +85°C

DC 3.0V to 3.6V

DC 4.5V to 5.25V

DC 4.0V to 5.25V

51mA

No dew condensation

No dew condensation

In serial mode, 50p/s,

Vin=5.0V, touch screen is activated.

Correspondence

(Serial)

Correspondence

(USB)

Transfer Rate

Data Format

9600bps

8bit Fixed value

Stop Bit 1bit

Parity None

Spec

Transfer Mode

USB Specification 2.0 Full Speed

Control transfer (command)

Interrupt transfer (coordinate)

Device class Vendor definition

Dimension

Max height of components

Performance Specifications

30 x 53 mm

4.8 mm

Coordinate Output Rate (point/sec)

Coordinate Resolution

Linearity Error

Input Response Time

(1) point mode

(2) 30p/s (3) 50p/s

(4) 80p/s (5) 100p/s

(6) 130p/s (7) 150p/s

10bit (1024 x 1024)

±3 LSB

10ms (TYP)

Default: 50pps with DMC original driver software.

The value will be lower in the active area of the touch screen

Document No. DER-S0019A 4 Rev.1.1 ©2008 DMC Co., Ltd.

3. Connector

3-1. Explanation of a connector terminal

1

2

UR

LR

5 wire Touch screen UR Input

5 wire Touch screen LR Input

CN1

4

5

UL

LL

5 wire Touch screen UL Input

5 wire Touch screen LL Input

CN4 *1

TSC-35/RU User’s Guide

CN5

CN6

*1: When you use it at 3.3V of the serial mode, please do not connect TSC-35/RU to Vbus of CN4.

3-2. The mounted connector

CN P/N Manufacturer

CN1

CN4

CN5

CN6

RE-H052SD-1110

S5B-PH-K-S

S3B-PH-K-S

S2B-PH-K-S

J.S.T. Mfg Co., Ltd

J.S.T. Mfg Co., Ltd

J.S.T. Mfg Co., Ltd

J.S.T. Mfg Co., Ltd

Document No. DER-S0019A 5 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

4. Interface type

TSC-35/RU has serial and USB interface type. You choose either type. You cannot use both these at the same time.

(Notice) In the state that connected a serial and a USB cable to a computer, please do not start power on of TSC-35/RU and computer. Because it may cause malfunction.

4-1. Serial mode

In serial mode, please use CN5 for connecting to host computer, and CN6 for power supply.

Specifications

Transmission format: Asynchronous serial

Transfer rate:

Data format:

Stop bit:

Parity:

9600bps

8 bit

1 bit

None

4-2. USB mode

In USB mode, please use CN4 for connecting to host computer. When you input power supply from CN6, please connect also the Vbus line of the USB (CN4). Because TSC-35/RU recognizes that it was connected to the host computer with a Vbus line.

Specifications

Transmission spec: USB Specification 2.0 Full Speed

Transfer mode:

Device class:

Control transfer (Command) / Interrupt transfer (Coordinate)

Vendor definition

Document No. DER-S0019A 6 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

5. Packing Specification

5-1. Outline

TSC-35/RU is wrapped up in the air packing of the prevention of static protection type and puts it in a packing box.

5-2. Packing material

Outer case:

Cushioning:

75 x 55 x 15 mm, clay coated newsback board

120 x 70 mm, air packing, static protection

5-3. Outer case and lot label

Lot number

Sample: 7J20

7: the last digits of the year

J: Month Jan : A Jul : G

Feb : B

Mar : C

Apr : D

Aug : H

Sep : I

Oct : J

May : E Nov : K

Jun : F Dec : L

20: Date manufactured

T S C - 3 5 / R U

Product name, DMC logo

Document No. DER-S0019A 7 Rev.1.1 ©2008 DMC Co., Ltd.

5-4. Product name label

Backside of board

TSC-35/RU User’s Guide

TSC-35/RU: Product name

Lot#: 7J20

7: the last digits of the year

J: Month Jan : A Jul : G

Feb : B

Mar : C

Apr : D

Aug : H

Sep : I

Oct : J

May : E Nov : K

Jun : F Dec : L

20: Date manufactured

Rev: Revision information

(PbFree): lead free

Document No. DER-S0019A 8 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

6. Changes & Improvements

6-1. Version History

§ TSC-35/RU

Ver0.1 (January 15, 2008)

Draft release

Ver 1.0 (March 13, 2008)

First release

2. Specifications Operating Temp Serial -20°C to +85°C → -20°C to +75°C :spec review

Revision 1 for first release

Ver 1.1 (March 26, 2008)

2. Specifications Operating Temp Serial -20°C to +75°C → 0°C to +70°C :spec review

Document No. DER-S0019A 9 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

7. Warranty

7-1. Warranty Period

§ The warranty period is limited to 1 year from the date of shipping. The 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.

7-2. 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.

7-3. 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 improper usage and handling against the specifications and notes.

Document No. DER-S0019A 10 Rev.1.1 ©2008 DMC Co., Ltd.

TSC-35/RU User’s Guide

8. Precautions for Use

8-1. 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 environment 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.

8-2. Others

§ The contents of this document are subject to change without notice.

§ The manufacturer or sales representatives will not be liable for any damages or loss arising from use of this product.

§ This product is intended for use in standard applications (computers, office automation, and other office equipment, industrial, communications, and measurement equipment, personal and household devices, etc.) Please avoid using this product for special applications 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 aerospace systems, vehicle operating control, atomic energy controls, medical devices for life support, etc.).

§ Any semiconductor devices have inherently a certain rate 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.

TSC-35/RU User’s Guide

Rev. 1.1, March 26, 2008

©2008 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 Yushima, Bunkyo-Ku, Tokyo 113-0034, Japan

Phone: +81-3-5209-7131 (Japanese), 7135 (English) Fax: +81-3-5209-7130

Document No. DER-S0019A 11 Rev.1.1 ©2008 DMC Co., Ltd.