1 Peripheral Touch Controller - Block Diagram

The block diagram of PTC can be observed from Figures 1-1 and 1-2.

Figure 1-1. PTC Block Diagram for Self-Capacitance

Figure 1-2. PTC Block Diagram for Mutual Capacitance

  • Cx/Cxy → Sensor Capacitance
  • Cc → Internal Compensation Capacitance
  • Cint → Integration Capacitor