R01UH0823EJ0100 Rev.1.00
Page 435 of 1823
Jul 31, 2019
RX23W Group
21. I/O Ports
Figure 21.4
I/O Port Configuration (4)
Port 3: P30, P31
Peripheral module output signal
Reading the port
PMR
ODR0, ODR1
PDR
PODR
Enable peripheral module output
Input signal of peripheral module/interrupt
PCR
*1
0
1
0
1
ISEL bit
1: ON
0: OFF
RTC time capture event input signal
Reading the port
NMI input signal
Port 3: P35
Note 1. Control signal for N-channel open-drain output.
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