User Manual - Mouser Electronics
Contents
1. QUANTUM www aprax cam E6240 User Manual The New Vision of Touch E6240 User Manual Contents 1 E6240 e EE 3 1 1 Introduction AN 3 PA DA 3 2 Setting Up and Using the 6240 cion ds 4 Dees SN D d 4 2 2 Using the EO240 AS5 Ml aia A A Ar EAA AN A TAAT EENG 4 3 QmBIN SOM Ware EEN 5 Sl INTO CUCU ara diodo 5 3 2 QmBtn Dialog Box Ce ere e TEE ER Menu BaT gd ere Sieg AE eege EE tee ee eg reg ee e 32 3 TT 3 2 4 Keys Area 3 2 5 Status Bar 23 QmSettings Dialog Bon ENNEN 3 3 1 Introduction 3 3 2 Key Settings 3 33 Global DEE E We DEE SE QMG raph Dialog BOX viniti iia E A A N EN E AEAEE EA T ia Ea iLE A E6240 Ass mbly E UE 12 Clg e Tee IEE A aiii 4 2 E6240 Assembly Components ARTO OI e E 4 2 2 Communications Port J 2 4 2 3 USB Connector J 3 4 24 LEDS njica A255 SCOPES MA EE G GN e ee ue EE 15 List of Figures Figure E6240 E valuation ASS OO ad A EE Figure 2 E6240 Connections Figure 3 QmBtn Dialog Don Figure 4 QmBtn Software Menu Structure Figure 5 QmSettings Dialog Box Key Settings Figure 6 QmSettings Dialog Box Global Settings E Figure 7 QmSettings Dialog Box LOYQ N9 sss Figure 8 QmGraph Dialog Box Figure 9 E6240 Circuit Diagramm Figure LO E6240 TEE List of Tables Table QTO240 1C EE 13 able2 Ccommunicatons Port a EE 14 2 of 17 1 1 1 2 E6240 User Manual E6240 Overview Introduction This kit is designed for the eval2. Key Settings to open the QmSettings dialog box Graph to open the QmGraph dialog box for a particular key i e the last key which was clicked in the software Key Numbers to turn the display of key numbers in the QmBtn dialog box on off Key Reference Levels to turn the display of key reference levels in the QmBin dialog box on off Detailed Status Below Keys to turn the display of device status information in the QmBtn dialog box on off Toolbar to turn the toolbar in the QmBtn dialog box on off Status Bar to turns the status bar in the QmBtn dialog box on off Help Menu Click Help Help to open the Help file About QmBin to see details of the copyright and software version 7 of 17 3 2 3 3 2 4 3 2 5 E6240 User Manual Toolbar The toolbar can be displayed or hidden by use of a command in the View menu see page 7 lt has the following buttons e Click Send to transfer a new setup block to the IC e Click Read to obtain the current setup parameters e Reset not available e Click Recal All to recalibrate all the keys Keys Area The QT60160 can have a maximum of 16 keys enabled and the QT60240 a maximum of 24 keys enabled These keys can be anywhere in the 8 x 3 matrix QmBin depicts the keys showing the key numbers and the key reference levels If a key area on the E6240 is touched then the corresponding key area on the QmBin turns blue for the duration of the touch If a key is disabled the corresponding key
3. defines the length of time the device will sleep before automatically waking up and returning to sleep Awake Timeout defines the minimum amount of time the part will stay awake after a communication or after a valid key press woke it up Drift Hold defines the time the drift on the reference is held after a key is touched This affects all the keys If set to Off all keys drift regardless of the state of other keys 10 of 17 3 3 4 3 4 Sets the signal magnification factor Legend indicates colors of signal traces as well as current values Detect Integrator value changes color on detect Logging E6240 User Manual These settings have no effect on the IC They define which data will be recorded when using the Data Logger For any key s select any combination of Signal Reference DI and Status The selected readings are recorded in a csv file E OmSettings Signal Reference DI Key 2 X2Y0 Key 3 _X3Y0 Key 4 X4Y0O Key 5 X50 Key 6 pv x7 YO x0 Y1 x1 Y1 x2Y1 x3 Y1 x4 Y1 x5Y1 x6 Y1 x7 Y1 x0 Y2 x1 Y2 x2 Y2 x3 Y2 x42 x52 Key 22 xB Y2 Key 23 x7 Y2 oo00000000000000000000A0K OOOOOOOOOOOOOOOOOOOoOO8ses OOOOOOOOOOOOOOOOOOOOO8es DOE Key Settings Global Settings Logging Figure 7 QmSettings Dialog Box Logging QmGraph Dialog Box From the Menu bar click View Key Settings to open the QmGraph dialog box This displays the analog signal for a selec
4. 5 2 5 2 5 2 5 2 5 K 5 2 5 2 5 2 5 2 5 Key Settings Global Settings Logging for individual keys for all keys for recording data Figure 5 QmSettings Dialog Box Key Settings Key Settings If the dialog box does not open in the Key Settings view then click the Key Settings tab see Figure 5 The default settings show NTHR and BL with no tabs at the bottom of the dialog box To see the full list of settings and the tabs click Options QmSettings Advanced NTHR Negative Threshold is used to adjust the sensitivity of a key Higher values make keys less sensitive lower values make keys more sensitive NDRIFT Negative Drift is the rate at which drift compensation is carried out for a negative going signal when a key is touched or receives increased loading The value is seconds reference level PDRIFT Positive Drift is the rate at which drift compensation is carried out for a positive going signal when a key is touched or receives increased loading The value is seconds reference level NDIL Negative Detection Integrator Limit allows enabling and disabling of keys and provides signal filtering Higher values provide more filtering but increase the response time of the key FDIL Fast Detection Integrator Limit provides filtering but has less effect on response time Total filtering is a combination of NDIL multiplied by FDIL NRD Negative Recalibration Delay determines the maximum time a key can be ac
5. Data Points Status Bar Save Options on Close Communications Port Baud Rate Interface Device Send Keystrokes to Another App Figure 4 QmBtn Software Menu Structure Menu Commands File Menu Click File New to create a new file Open to open a bin file Save to save the setup of the IC in the current btn file Save As to save the setup of the IC in a new btn file Recent File to see a list of the most recently used btn files Exit to close the QmBtn software 6 of 17 E6240 User Manual Options Menu Click Options Beep on Key Down to generate a computer beep on key activation Beep on Key Up to generate a computer beep on key release Read After Write to automatically send a read command after sending a new setup block Reset After Write not available Calibrate After Write to automatically send a recalibrate command after sending a new setup block Start Stop Data Log to record data into a csv file QmSettings Advanced to display advanced key settings QmGraph lt gt Join Data Points to draw the graph using a solid line Save Options on Close to save software settings on closing the software Communications lt Port to select the USB COM port Baud Rate to select the baud rate Interface to select the type of interface Device to select the type of QT device Send Keystrokes to Another Application to send keystrokes code to another application View Menu Click View
6. PG 2d INS Ve 0l Y30V3H E6240 Circuit Diagram Figure 9 4 2 4 2 1 E6240 User Manual E6240 Assembly Components J3 USB Connector J2 Communications Port AID lt LED and LED2 U1 QT60240 IC Figure 10 E6240 Evaluation Assembly QT60240 IC U1 Table 1 QT6240 IC 32 QFN Pin Name Pin Name 1 M_SYNC 17 X5 2 CHANGE 18 Vdd 3 Vss 19 A1 4 Vdd 20 Vdd 5 Vss 21 Vss 6 Vdd 22 AO 7 X6 23 YOB 8 X7 24 Y1B 9 LATCH 25 Y2B 10 Vref 26 SMP 11 S_SYNC 27 SDA 12 X0 28 SCL 13 x1 29 RST 14 X2 30 YOA 15 X3 31 Y1A 16 X4 32 Y2A 4 2 2 Communications Port J2 Header J2 gives access to all the signals for communicating with the IC See Table 2 for the pinouts of the connector 13 of 17 4 2 3 4 2 4 4 2 5 4 2 6 E6240 User Manual Table 2 Communications P ort J 2 Pin 1 2 3 4 5 6 7 8 9 10 Vin MAINS SCOPE Name 3 3 3V GND CHANGE lt yye SDA SCL LATCH ew NIC USB Connector J3 This connector provides direct communication between the E6240 and the computer It permits full control over the device including calibration and setups It also allows for real time supervision of signal reference and calibration information It uses a standard USB cable supplied connected to a computer LEDs Before the QmBin software is running both LED1 and LED2 will be on constan
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8. area on the QmBin appears shaded with a criss cross pattern see Figure 3 Status Bar The status bar can be displayed or hidden by use of a command in the View menu see page 7 It shows which device is connected to the computer the IC revision and the type of interface 8 of 17 E6240 User Manual 3 3 QmSettings Dialog Box 3 3 1 Introduction For more information about the parameters refer to the QT60160 QT60240 datasheet From the Menu bar click View Key Settings to open the QmSettings dialog box This allows the IC to be modified There are three tabs e Key Settings to change the individual key parameters e Global Settings to change the global parameters e Logging to select which keys parameters will be logged Click here to make USE Lines EIER Key settings changes to all keys LL D r Kee pet E ER SC Sync d Section 3 3 2 Key number x1 Yoj11 25 06 2 10 0 Off x2 Y0 11 25 0 6 2 10 0 Off To select multiple E om o keys press and hold 250 13 10 0 o CTRL and then click lt 6 YO 11 I 10 0 Off cli ad the keys The changes Kreg 13 2 10 0 Off 9 will apply to all x1Y1112 2 5 10 0 Off selected keys N 3 3 2 x3Y1 12 x4Y1 13 Sp x6Y1 16 x7Y1115 Key 16 X0Y2 9 ke 1 Y2112 Key 18 X2Y2 11 Key19 X32 11 Key 20 X4Y2112 Key 21 x5 2 12 Key 22 62 11 Key 23 X7Y2 11 Key Settings Global Settings Logging 10 0 Off 10 0 Off 10 0 Off 10 0 Off 10 0 Off 10 0 Off 10 0 Off 10 0 Off 10 0 Off 2 5 2 5 2 5 2
9. cing Inventory Delivery 8 Lifecycle Information Atmel E6240
10. d click Download Archive Click Software and then the qmbtn version 3 28 or later link for the E6240 A dialog box appears asking if you want to run or save the file that you are about to download Click Run This automatically downloads the QmBtn software If a dialog box appears saying The publisher could not be verified Are you sure you want to run this software click Run 3 QmBin software is displayed on the computer monitor One LED is extinguished and the other flickers continuously to indicate that the software is communicating with the E6240 Refer to Section 2 2 and Section 3 for information about using the E6240 and QmBin LED1 and LED2 Connector J2 USB cable to computer Figure 2 E6240 Connections 2 2 Using the E6240 Assembly Place the E6240 assembly on a level surface Keeping clear of the E6240 click Recall All on the QmBtn software Touch any key area on the E6240 Every time a key area is touched the corresponding key area on the QmBin software turns blue for the duration of the touch 4 Ifthe QmBin software is not detecting or detection is sporadic decrease the detection threshold slightly NTHR Section 3 3 2 page 9 5 Refer to Section 3 3 2 page 9 and Section 3 3 3 page 10 for details of which parameters you can change 4 of 17 E6240 User Manual 3 QmBin Software 3 1 Introduction QmBin software is used with the E6240 assembly With this software you can send commands and monitor s
11. eck replace cables Ensure that the E6240 assembly is getting power and the LEDs are on Ensure that all communications options are on the correct settings Either set all to Auto Detect or Device QT60240 see page 7 e Interface I C see page 7 e Port USB see page 7 Noisy power supply Try a different USB port or computer Cables or E6240 assembly too close to strong noise source such as a power line or switching noise source Increase the distance between the E6240 assembly and the noise source Place a grounded metal shield between the noise source and the E6240 assembly gt E6240 assembly is not mechanically stable Prevent E6240 assembly from moving around gt Strong RFI from a transmitter or adjacent digital product Remove the noise source or shield against it USB cable connected via a USB hub Connect the USB cable directly to the computer 15 of 17 QUANTUM SEARCH GROUP WWW qprox com Corporate Headquarters 1 Mitchell Point Ensign Way Hamble Southampton SO31 4RF United Kingdom Tel 44 0 23 8056 5600 Fax 44 0 23 8045 3939 Copyright 2006 2007 QRG Ltd All rights reserved Patented and patents pending Development Team Samuel Brunet Dr Tim Ingersoll Matthew Trend North America 651 Holiday Drive Bldg 5 300 Pittsburgh PA 15220 USA Tel 412 391 7367 Fax 412 291 1015 REV 102 0407 Mouser Electronics Authorized Distributor Click to View Pri
12. ignals in real time The program consists of three main areas the QmBtn dialog box which opens when the program starts see Figure 3 page 5 the QmSettings dialog box which has three tabs Key Settings Global Settings and Logging see Figure 5 page 9 the QmGraph dialog box which gives real time signals for individual keys see Figure 8 page11 3 2 QmBtn Dialog Box 3 2 1 Introduction The QmBin dialog box provides the ability to monitor the status of all keys and the overall device in real time Menu Bar see Page 6 Toolbar Allows various functions of the E6240 to be performed see Page 8 Key in Detection Keys Area see Page 8 Key Number Key Reference Level Untitled QmBtn DORA Eile Options View Help Sena Read Recall Connected QT60240 Rev 7 12C USB Status Bar Key Disabled Shows connection details see Page 9 and firmware version see Page 8 Figure 3 QmBtn Dialog Box 5 of 17 3 2 2 E6240 User Manual Menu Bar Menu Structure Refer to Figure 3 page 5 for the location of the Menu bar and Figure 4 for the menu structure and commands Beep on Key Down Key Settings Help Beep on Key Up Graph About QmBin Read After Write Key Numbers Reset After Write Key Reference Levels Calibrate After Write Detailed Status Below Keys Start Stop Data Log Toolbar QmSettings Advanced QmGraph Join
13. ted key Sets the origin for the vertical scale WOtGrapbh Key 10 Y origin fios IV Auto Neg threshold 13 Pos threshold 6 Neg hysteresis Sets the Y reference level origin to default 110 Figure 8 QmGraph Dialog Box Click the right mouse button to see a shortcut menu with the following options The QmGraph dialog box shows the signals for a specific key select a key by clicking the key area in the QmBtn dialog box e Join Data Points shows the signal using a solid line e Show Grid every Second shows a vertical grid every second 11 of 17 Signal Reference Positive Threshold Key Signal Negative Hysteresis Level Negative Threshold Signal Axis Detect Integrator Axis E6240 User Manual E6240 Assembly Details C ircuit Diagram 4 4 1 SEN NNOD EN DY HONOL EL 12 of 17 lt Ha rsa o odd etette 9
14. tive before being automatically recalibrated by the IC The value is in seconds BL Burst Length modifies key sensitivity Higher values make the key more sensitive lower values make it less sensitive The correct sensitivity for a key should be achieved with BL and NTHR Generally BL should be as low as possible and NTHR should range from 7 to 12 9 of 17 3 3 3 E6240 User Manual AKS Adjacent Key Suppression can be enabled or disabled To become active a key with this option enabled must receive the strongest signal relative to other AKS enabled keys Scope Sync sends a positive pulse that brackets the burst of a selected key This feature is invaluable for diagnostics WH Wake allows the device to be configured to wake up when specific keys are touched Each key has its own configuration bit so that any combination of keys can be configured for this purpose Global Settings If the dialog box does not open in the Global Settings view then click the Global Settings tab see Figure 6 E OmsSettings i IT Mains Sync Sleep Duration ms Awake Timeout s Drift Hold s 125 x 50 50 Y Key Settings Global Settings Logging Figure 6 QmSettings Dialog Box Global Settings Mains Sync allows the part to synchronise on the low frequency signal This is generally used to synchronise acquisition on the mains cycle 50 60Hz The frequency must be more than 10Hz Sleep Duration
15. tly to indicate that the E6240 is connected to the computer and has power see Figure 10 Once the QmBin software is running LED1 is extinguished and LED2 flickers continuously to indicate that the software is communicating with the E6240 LED1 will turn on any time there is a change of state on the keypad Scope Sync The scope sync J2 pin 9 can be used to synchronize an oscilloscope When enabled in QmBin this signal provides a pulse that brackets the chosen burst or bursts making diagnostics much simpler With the scope sync enabled for one key the X matrix drive signals can be clearly seen Mains Sync For external noise sync feed a 3 3V synchronization pulse into pin 5 of J2 with respect to GND External fields can cause interference leading to false detections or sensitivity shifts Most fields come from AC power sources RFI noise sources are heavily suppressed by the low impedance nature of the QT circuitry itself Noise such as from 50Hz or 60Hz fields becomes a problem if it is uncorrelated with acquisition signal sampling uncorrelated noise can cause aliasing effects in the key signals To suppress this problem the M_SYNC input allows bursts to synchronize to the noise source 14 of 17 5 Troubleshooting Problem Software will not communicate with computer Noisy or erratic signal E6240 User Manual Potential Cause and Solution gt Bad UC or USB connection Check that the USB cables are connected properly Ch
16. uation and development of applications using the QT60160 QT60240 IC The kit includes an evaluation assembly E6240 see Figure 1 cables and QmBin software Each E6240 assembly has a serial USB interface allowing connection to a computer for control and data viewing via QmBtn computer software This unique IC allows designers to create controls for various applications such as mobile phones remote controls and MP3 players amongst others Refer also to the QT60160 QT60240 datasheet Contents of Kit 1 x E6240 assembly fitted with a QT60240 IC 1 x USB computer cable 2 x sample QT60240 ICs 1 x CD ROM containing QmBin software version 3 29 or later User Manual and other information Note you will also need a computer with Windows 2000 XP or later a free USB port QUANTUM R 2 5 ES E 2 gt amp z 2 6 Figure 1 E6240 Evaluation Assembly 3 of 17 E6240 User Manual 2 Setting Up and Using the E6240 2 1 Setting Up To prepare the E6240 for use proceed as follows 1 Using the USB cable provided connect the E6240 to the computer see Figure 2 Both LEDs on the E6240 light constantly to indicate that there is power to the assembly 2 Install the QmBin software either method is acceptable a Put the supplied CD in the CD drive of the computer Copy the contents of the CD to the computer Double click the QmBin software to open it OR b Go to www qprox com point to the Support tab an
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