40.12 PTC Characteristics

The values given in the Power Consumption table below are measured values of power consumption, which are valid under the following conditions:

Operating conditions

V_DD = 3.3 V

Clocks

OSC8M used as main clock source, running undivided at 8 MHz.

CPU is running on Flash with '0' wait states, at 8 MHz.

PTC running at 4 MHz.

PTC configuration

Mutual-Capacitance mode.

One-touch channel.

System configuration

Standby Sleep mode enabled.

RTC running on OSCULP32K: Used to define the PTC scan rate through the event system.

Drift Calibration disabled: No interrupts, PTC scans are performed in Standby mode.

Drift Calibration enabled: RTC interrupts (wake-up) the CPU to perform PTC scans. PTC drift calibration is performed every 1.5 sec.