Datasheet

Table Of Contents
50.3 Block Diagram
Figure 50-1. PTC Block Diagram Mutual Capacitance
Compensation
Circuit
R
S
Y
0
Y
1
Y
m
X
0
X
1
X
n
X Line Driver
Input
Control
C
X0Y0
C
X
n
Y
m
IRQ
Result
ADC
System
10
Charge
Integrator
Figure 50-2. PTC Block Diagram Self Capacitance
Compensation
Circuit
R
S
Y
0
Y
1
Ym
X Line Driver
Input
Control
C
Y0
C
Ym
IRQ
ADC
System
10
Charge
Integrator
Result
50.4 Signal Description
Table 50-1. Signal Description for PTC
Name Type Description
Y[m:0] Analog Y-line (Input/Output)
X[n:0] Digital X-line (Output)
Note:  The number of X- and Y-lines are device dependent. Refer to Configuration Summary for details.
SAM D5x/E5x Family Data Sheet
PTC - Peripheral Touch Controller
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1885