Renesas RX Series User Manual

R01UH0823EJ0100 Rev.1.00 Page 722 of 1823
Jul 31, 2019
RX23W Group 25. 16-Bit Timer Pulse Unit (TPUa)
25.9.13 Conflict between TPUm.TCNT Write and Overflow/Underflow
If an overflow/underflow occurs due to increment/decrement in a TCNT write cycle, the TCNT write takes precedence.
Figure 25.52 shows the operation timing when there is conflict between TCNT write and overflow.
Figure 25.52 Conflict between TPUm.TCNT Write and Overflow
25.9.14 Multiplexing of I/O Pins
In this MCU, the TCLKA input pin is multiplexed with the TIOCB5 I/O pin, the TCLKB input pin with the TIOCB2 I/O
pin, the TCLKC input pin with the TIOCB1 I/O pin, the TCLKD input pin with the TIOCB0 I/O pin, the TCLKC input
pin with the TIOCC3 I/O pin, and the TCLKD input pin with the TIOCD3 I/O pin. When an external clock is input,
compare match output should not be performed from a multiplexed pin.
FFFFh M
TCNT
PCLK
TCNT write data
TCNT write by CPU
Interrupt signal

Renesas RX Series Specifications

General

Brand	Renesas
Model	RX Series
Category	Microcontrollers
Language	English