Quantum Research Group QWheel E510 Скачать руководство пользователя

Страница: 6 / 13

SCHEMATIC DIAGRAM

* Sleep mode

The E510 Eval board is not configured to operate

the QT510 in Sleep Mode.
If you wish operate the QT510 in sleep mode
using a microcontroller via CON1 please refer to

the board details on page 8.

U1 QT510

SCLK

/SS

SDO

VDD

VSS

DRDY

PROX

SDI

SNS1A

SNS1B

SNS2A 8

R23

4k7

127 0

100nF

15k

R10

15k

R11

15k

R12

15k

R13

15k

R14

15k

R15

15k

R16

15k

R17

15k

R18

15k

R19

4k7

100nF

SNS2B 7

SNS3A 6

SNS3B 5

VIN

VOUT

GND

U2 HT7533-1

2.2uF

CON1

16V

2.2uF

16V

R24

4k7

R25
10k

U2 Footprint

Gnd 1

Vin 2

Vout 3

4 nc

5 nc

E510

QWheel

R22 1k

R20 1k

R21 1k

R26 47k

Содержание QWheel E510

Страница 1: ...1 E510 User Manual This datasheet has been downloaded from http www digchip com at this page ...

Страница 2: ... and data viewing via an included USB to SPI adapter and PC software For more detailed information about this product please refer to the QT510 datasheet Materials Provided 1 x White plastic user panel 1 x E510 evaluation board with self adhesive on one side 4 x Rubber feet 1 x USB PC cable 1 x USB SPI adapter with USB SPI cable to the E510 1 x SPI cable for user connection to a microcontroller 2 ...

Страница 3: ... the paper backing from the E510 Board and adhere it to the rear of the user panel Bend the PCB slightly as shown while smoothing it to remove any air bubbles Tip Line up the PCB with the alignment marks on the back of the slider panel The PCB must be positioned with the connector on the underside of the QWheel logo The Board does allow some flexing but care must be taken not to bend it too far as...

Страница 4: ...oftware operation 6 With your hands far removed from the E510 Click on the FIXED CAL 7 Slowly move your hand towards the rotor area The proximity detection status box will indicate when your hand is still several cm away from the panel 8 Touch the rotor area with a finger You can either slide your finger around the surface or touch the rotor at any point When you remove your finger the last positi...

Страница 5: ...position after touch is lifted Command Return represents the board response byte in HEX Prox Detection indicates that the board has detected hand at a distance The Prox value sets the threshold which will cause the chip to register proximity Lower numbers are more sensitive Default 3 Drift Rate sets the adaptive drift compensation rate the numbers represent seconds per compensation Default 5 Calib...

Страница 6: ... VSS DRDY PROX SDI SNS1A SNS1B SNS2A 8 9 10 14 R23 4k7 43 85 127 0 C2 100nF R2 15k R1 15k R3 15k R4 15k R5 15k R6 15k R7 15k R8 15k R9 15k R10 15k R11 15k R12 15k R13 15k R14 15k R15 15k R16 15k R17 15k R18 15k R19 4k7 C5 100nF C1 100nF SNS2B 7 SNS3A 6 SNS3B 5 1 2 3 4 5 6 7 9 8 10 11 12 13 1 2 1 3 VIN VOUT GND U2 HT7533 1 C4 2 2uF CON1 nc 16V C3 2 2uF 16V R24 4k7 R25 10k U2 Footprint Gnd 1 Vin 2 V...

Страница 7: ...Resistor R25 is used to provide a minimum load on the regulator when the QT510 sleeps between acquisitions this is necessary for regulator transient stability Since the QT510 works on a lower voltage 3 3V than the USB box 5 0V the signals from the USB box to the E510 must be level shifted down This is done using resistive dividers consisting of 1K resistors R20 R21 and R22 plus a set of 560 ohm re...

Страница 8: ... data ready output 5 SDO serial data output 6 SS slave select input 7 SCLK serial clock input 8 SDI serial data input 9 PROX active high output 10 Not connected Table 1 Connector CON1 Pin List QT510 IC Rotary Slider Element CON1 Pin 1 This end Mating half for CON1 Molex 51021 1000 ...

Страница 9: ...9 PCB LAYERS Top Silkscreen Top Copper ...

Страница 10: ...OFTWARE replace D with the actual drive letter of your CD Install the USB Drivers Place the CD ROM in your CD drive Connect the USB adapter box to the PC using the supplied USB cable The E510 may be connected or not Windows will display the Found New Hardware Wizard for the USB Serial Cable Select Install the software automatically and click Next Windows now installs the drivers Click Finish when ...

Страница 11: ...act all files inside qrg usb_driver zip within folder C QRG USB Now download QSlide software Qslide_V x exe but save this to your Windows Desktop Install the USB Drivers Follow the USB directions on page 10 except When the Found New Hardware Wizard appears select Install from a list or specific location Then specify the location as C QRG USB and click Next Windows will now install the drivers Clic...

Страница 12: ...oard to the USB adapter first as USB box detects the QSlide board on power up Board will not Calibrate due to noise failure to calibrate will cause the board to cease communications See below Noisy or erratic signal Noisy or Erratic Signal Noisy Power Supply try a different USB port or PC Cables or Board too Close to Strong Noise Source such as a power line or switching noise source Increase the d...

Страница 13: ...hell Point Ensign Way Hamble Southampton SO31 4RF United Kingdom Tel 44 0 23 8056 5600 Fax 44 0 23 8045 3939 Email sales1 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 All rights reserved Patented and patents pending REV 201 141004 ...

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