E1106 Datasheet, PDF (11/14 Pages) ATMEL Corporation – E1106 User Manual

QT1106 (32-QFN) IC
E1106 User Manual
Table 1: QT1106 IC, 32-QFN (U3)
Pin
Name
Pin
1
SPREAD
17
2
/RST
18
3
Vdd
19
4
OSC
20
5
n/c
21
6
CHANGE
22
7
SNSB7
23
8
SNSB6
24
9
SNSB5
25
10
SNSB
26
11
SNSB
27
12
SNSB
28
13
SNSB
29
14
SNSB4
30
15
SNSB3
31
16
SNSB2
32
Name
SNSB1
SNSB
SNSB
SNSB
DRDY
Vss
SCLK
/SS
MOSI
MISO
SNSA
SNSA
SNSA
SNSA1
SNSA2
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.
11 of 14