Quantum Research Group QMatrix QT60486 User Manual Download | Manualshive

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E6486

U s e r M a n u a l

T h e N e w V i s i o n o f T o u c h ™

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Summary of Contents for QMatrix QT60486

Page 1: ...E6486 U s e r M a n u a l T h e N e w V i s i o n o f T o u c h ...

Page 2: ...nications or RS232 for communications with a PC The RS232 interface is the primary interface used for evaluation A 16 pin header connector on the end of the board allows connection to a matrix panel A 48 key sample matrix and plastic panel are supplied with the kit An LED status indicator shows detection and error states For more detailed information about this product please refer to the QT60486 ...

Page 3: ... does not communicate with the PC make sure the jumper J4 located next to the power connector is set on UART then cycle power off and on again If the setups are correct touching the keys on the panel will cause the QmBtn buttons to depress The last key touched will leave an X on the key afterwards You can open the Key Settings window and look at the signals from any specific key by clicking with y...

Page 4: ...s conduct the charge back out The keyboard supplied with the kit can be connected directly to J3 Communication Port Select The UART port can either come from the RS232 connector or from J1 This jumper allows the user to select the source of the UART signal SPI UART Direct Port J1 header gives access to all the signals useful for communicating with the QT60486 or QT60326 The pinout of the connector...

Page 5: ...SCHEMATIC DIAGRAM Figure 1 Schematic Diagram ...

Page 6: ...aits for the sync signal for up to 100 ms after the end of a preceding full matrix scan after key 47 then when a sync pulse is received the matrix is scanned in its entirety one time If no sync pulse is received in 100ms the part wakes on its own and re scans the matrix one time then goes back to sleep Sync pulses should be spaced no more than 99ms apart to prevent this from happening Reset Recal ...

Page 7: ...tus LED Communication Port Select SPI UART Direct Port Oscilloscope Sync Point Matrix Connector Sampling Resistor Network Reset Recal Button RS232 UART Pin J2 J3 1 YM0 GND 2 YM1 YM2 3 YM2 YM3 4 YM3 YM0 5 YM4 YM1 6 YM5 YM4 7 GND YM5 8 GND GND 9 GND XM0 10 GND XM1 11 XM0 XM2 12 XM1 XM3 13 XM2 XM4 14 XM3 XM7 15 XM4 XM5 16 XM5 XM6 17 XM6 18 XM7 19 GND 20 GND ...

Page 8: ...PCB LAYERS Figure 3 Silk Layer Figure 4 Top Layer Figure 5 Bottom Layer ...

Page 9: ...rst length Reduce Cx loading Shorted X or Y Matrix Line Low Power Supply Voltage Noisy or Erratic Signal Noisy Power Supply Matrix or matrix cable too close to a noise source such as a power line or switching noise source Use Noise Sync feature to overcome Increase distance to noise source Place grounded shield between noise source and matrix Ground Loop Interference Matrix or Matrix Cable not Mec...

Page 10: ...hampton SO31 4RF United Kingdom Tel 44 0 23 8056 5600 Fax 44 0 23 8045 3939 Email sales qprox com North America 651 Holiday Drive Bldg 5 300 Pittsburgh PA 15220 USA Tel 412 391 7367 Fax 412 291 1015 Copyright 2004 QRG Ltd Version 200 180805 All rights reserved Patented and patents pending ...

Page 11: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip E6486 ...

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