PTC

Table 1. Peripheral Touch Controller Characteristics - Operating Ratings
Symbol Description Condition Min. Typ. Max. Unit
CLOAD Maximum load   - 48 - pF
CINT Maximum size of integration capacitor   - 30 - pF
CDS Driven Shield capacitive drive   - 300 - pF
CLKADC Supported ADC clock frequency 25% duty cycle 200 - 1500 kHz
50% duty cycle 200 - 2000

Table 2. Peripheral Touch Controller Characteristics - Pad Capacitance
Symbol Description Condition Min. Typ. Max. Unit
CX/Y Pad capacitance X/Y-line PA4, X0/Y0 - 4 - pF
PA5, X1/Y1 - 4 -
PA6, X2/Y2 - 10 -
PA7, X3/Y3   5  
PB1, X4/Y4 - 13 -
PB0,X5/Y5 - 13 -