R01UH0823EJ0100 Rev.1.00
Page 434 of 1823
Jul 31, 2019
RX23W Group
21. I/O Ports
Figure 21.3
I/O Port Configuration (3)
Port 2: P21, P22, P25
Port C: PC0, PC2, PC3, PC5, PC6
Peripheral module output signal
Reading the port
PMR
PDR
PODR
Peripheral module output signal
Input signal of peripheral module/interrupt
PCR
0
1
0
1
1: ON
0: OFF
ODR0, ODR1
*1
CTSU channel enable control register
Sensor drive pulse
Internal bus
Port 2: P26, P27
Peripheral module output signal
Reading the port
PMR
PDR
PODR
Peripheral module output signal
Input signal of peripheral module/interrupt
PCR
0
1
0
1
1: ON
0: OFF
ODR0, ODR1
*1
CTSU channel enable control register
Sensor drive pulse
Note 1. Control signal for N-channel open-drain output.
Analog input
ASEL bit
In
te
rn
al
b
us