E1106 Datasheet E1106 | P10-P12

E1106 User Manual

10 of 14

4.2 E1106 Control Board Assembly Components

Figure 6: E1106 Control Board Assembly Details

Figure 7: QWheel Assembly Details Figure 8: QSlide Assembly Details

LED

U3, QT1106 IC

J2, connection to

QSlide/QWheel

Wheel element

Slider element

E1106 User Manual

11 of 14

QT1106 (32-QFN) IC

Table 1: QT1106 IC, 32-QFN (U3)

Pin Name Pin Name

1 SPREAD 17 SNSB1

2 /RST 18 SNSB

3 Vdd 19 SNSB

4 OSC 20 SNSB

5 n/c 21 DRDY

6 CHANGE 22 Vss

7 SNSB7 23 SCLK

8 SNSB6 24 /SS

9 SNSB5 25 MOSI

10 SNSB 26 MISO

11 SNSB 27 SNSA

12 SNSB 28 SNSA

13 SNSB 29 SNSA

14 SNSB4 30 SNSA1

15 SNSB3 31 SNSA2

16 SNSB2 32 SNSA3

Power Supply

The QT1106 power supply should be locally regulated using a three-terminal device, to between

2.8V and 5.0V.

Wheel Element

The wheel element is resistorless and consists of etched copper electrodes.

Slider Element

The slider element is resistorless and consists of etched copper electrodes.

Sampling Capacitors

C5…C14 are the Cs sampling capacitors. Increasing their value will increase sensitivity and

resolution of measurement, but will also tend to make the response time slower.

LED

The LED will switch off momentarily when keys/wheel/slider are touched, and also when touch is

removed. When the touch moves around the wheel/slider the LED will flicker on and off for the

duration of the movement of the touch.

E1106 User Manual

12 of 14

5 Troubleshooting

Problem Potential Cause and Solution

Software will not

communicate with the

computer

` Bad SPI or USB connection

Check that the USB cables are connected properly

Check/replace cables

Ensure that the E1106 assembly is getting power and the LED is on

` See

below

Software appears locked ` Incorrect detection threshold

Change the detection threshold to a lower setting

Noisy or erratic signal ` Noisy power supply

Try a different USB port or computer

` Cables or E1106 assembly too close to strong noise source

(such as a power line or switching noise source)

Increase the distance between the E1106 assembly and the noise

source

Ensure that the grounded transparent backplate is in place on the

E1106 assembly

` E1106 assembly is not mechanically stable

Prevent E1106 assembly from moving around if the backplate is not

fitted

` 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

QMagic Prox feature will

not turn off

` Once activated it can only be deactivated by resetting the chip. This has

to be done by physically unplugging the device.

P1-P3 P4-P6 P7-P9 P10-P12 P13-P14

E1106

Mfr. #:

Buy E1106

Manufacturer:

Description:

BOARD EVALUATION FOR QT1106-ISG

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet

E1106