E6240 Atmel, E6240 Datasheet - Page 9

• Manufacturer Part Number: E6240
• Description: KIT EVAL/DEV USING QT60240-ISG
• Manufacturer: Atmel
• Series: Quantum, QMatrix™r

Specifications of E6240

• Sensor Type: Touch, Capacitive
• Sensing Range: 16 / 24 Buttons/Keys
• Interface: I²C, USB
• Voltage - Supply: 5V
• Embedded: No
• Utilized Ic / Part: QT60160, QT60240
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -

See Table 2.2 for further connection information.
Suggested regulator manufacture rs:
lQ
recommended values for input and
output bypass capacitors; keep output
capacitor close to QT60xx0 pins 4 and 6.
If not possible, add a 100nF capacitor
next to those pins.
•
•
•
follow regulator manufacturers
Toko (XC6215 series)
Seiko (S817 series)
BCDSemi (AP2121 series)
Vunreg
SCOPE SYNC
MAINS SYNC
I2C
CHANGE
LATCH
+1.8V to +5V
SDA
SCL
VREG
10K
VDD
10K
Figure 2.7 Wiring Diagram
VDD
QT60240
QT60160
9
RS2
1M
* optional - for emission suppression
** optional - for RF susceptibility improvement
RS1
1M
*RX7
*RX3
1K
1K
RS0
1M
*RX6
*RX2
1K
1K
CS0
CS1
CS2
Note: Leave YnA, YnB unconnected
QT60240-ISG R8.06/0906
*RX1
4.7nF
4.7nF
4.7nF
if not used
*RX5
1K
1K
**RY0
**RY1
**RY2
*RX0
*RX4
1K
1K
1K
1K
1K