Users Manual

Table Of Contents
R01UH0823EJ0110 Rev.1.10 Page 1511 of 1852
Nov 30, 2020
RX23W Group 43. Capacitive Touch Sensing Unit (CTSU)
43.2.7 CTSU Channel Enable Control Register 0 (CTSUCHAC0)
The CTSUCHAC0 register should be set when the CTSUCR0.CTSUSTRT bit is 0.
CTSUCHAC0j Bit (CTSU Channel m Enable Control) (j = 2 to 4, 7; m = 2 to 4, 7)
This bit sets the pin (for receive and transmit) whose electrostatic capacitance is to be measured.
Address(es): CTSU.CTSUCHAC0 000A 0906h
b7 b6 b5 b4 b3 b2 b1 b0
CTSUC
HAC07
——
CTSUC
HAC04
CTSUC
HAC03
CTSUC
HAC02
——
Value after reset:
00000000
Bit Symbol Bit Name Description R/W
b1, b0 Reserved These bits are read as 0. The write value should be 0. R/W
b2 CTSUCHAC02 CTSU Channel 2 Enable Control 0: Not measurement target
1: Measurement target
R/W
b3 CTSUCHAC03 CTSU Channel 3 Enable Control R/W
b4 CTSUCHAC04 CTSU Channel 4 Enable Control R/W
b6, b5 Reserved These bits are read as 0. The write value should be 0. R/W
b7 CTSUCHAC07 CTSU Channel 7 Enable Control 0: Not measurement target
1: Measurement target
R/W