55.3.6 PTC Characteristics
The values in the following Power Consumption table are measured values of power consumption under the following conditions:
Operating Conditions:
VDD = 3.0V
Clocks
DFLL48M used as main clock source, running undivided at 48 MHz
CPU is running on flash with 2 wait states, at 48 MHz
PTC running at 4 MHz
PTC Configuration
Mutual-capacitance mode
One touch channel
System Configuration
Standby Sleep mode enabled
RTC running on ULP32K: used to define the PTC scan rate, through the event system
RTC interrupts (wakeup) the CPU to perform PTC scans
| Symbol | Parameters | PTC scan rate (msec) | Oversamples | TA | Typ. | Max | Units |
|---|---|---|---|---|---|---|---|
| IDD | Current Consumption | 10 | 4 | Max 105°C Typ 25°C | 137 | 2174 | µA |
| 16 | 146 | 2194 | |||||
| 50 | 4 | 77 | 2098 | ||||
| 16 | 79 | 2104 | |||||
| 100 | 4 | 68 | 2092 | ||||
| 16 | 69 | 2095 | |||||
| 200 | 4 | 64 | 2086 | ||||
| 16 | 65 | 2089 |
Note:
- These are based on characterization.