Users Manual

Table Of Contents
R01UH0823EJ0110 Rev.1.10 Page 1514 of 1852
Nov 30, 2020
RX23W Group 43. Capacitive Touch Sensing Unit (CTSU)
43.2.10 CTSU Channel Enable Control Register 3 (CTSUCHAC3)
The CTSUCHAC3 register should be set when the CTSUCR0.CTSUSTRT bit is 0.
CTSUCHAC3j Bit (CTSU Channel m Enable Control) (j = 3, 6; m = 27, 30)
This bit sets the pin (for receive and transmit) whose electrostatic capacitance is to be measured.
Address(es): CTSU.CTSUCHAC3 000A 0909h
b7 b6 b5 b4 b3 b2 b1 b0
CTSUC
HAC36
——
CTSUC
HAC33
———
Value after reset:
00000000
Bit Symbol Bit Name Description R/W
b2 to b0 Reserved These bits are read as 0. The write value should be 0. R/W
b3 CTSUCHAC33 CTSU Channel 27 Enable Control 0: Not measurement target
1: Measurement target
R/W
b5, b4 Reserved These bits are read as 0. The write value should be 0. R/W
b6 CTSUCHAC36 CTSU Channel 30 Enable Control 0: Not measurement target
1: Measurement target
R/W
b7 Reserved This bit is read as 0. The write value should be 0. R/W