R01UH0823EJ0100 Rev.1.00 Page 1524 of 1823
Jul 31, 2019
RX23W Group 43. Capacitive Touch Sensing Unit (CTSU)
Table 43.8 lists the touch pin states in mutual capacitance full scan mode.
Table 43.8 Touch Pin States in Mutual Capacitance Full Scan Mode
Status
Touch Pin of
Receive Channel
Touch Pin of
Transmit Channel
Remarks
Measurement
Channel
Non-
Measurement
Channel
Measurement
Channel
Non-
Measurement
Channel
0 Low Low Low Low —
1 Low Low Low/High Low —
2 Low Low Low Low —
3 Pulse Low Pulse Low Pulse of the phase same as that of the receive channel
at the first measurement
Pulse of the phase opposite to that of the receive
channel at the second measurement
4 Pulse Low Pulse Low —
5 Low Low Low Low —
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