AT42QT1111-MU_14 Datasheet, PDF (6/50 Pages) ATMEL Corporation – 11-key QTouch Touch Sensor IC

Figure 1-3. Typical Circuit: 10 Keys With External Trigger (SYNC Mode)
Vunreg
VREG
QT1111
For component values in Figure 1-1, Figure 1-2 and Figure 1-3, check the following sections:
 Section 3.1 on page 8: Cs capacitors (Cs0 – Cs10)
 Section 3.2 on page 8: Sample resistors (Rs0 – Rs10)
 Section 3.5 on page 8: Voltage levels
 Section 3.3 on page 8: LED traces
AT42QT1111-MU / AT42QT1111-AU [DATASHEET]
6
9571C–AT42–05/2013