R01UH0823EJ0100 Rev.1.00 Page 677 of 1823
Jul 31, 2019
RX23W Group 25. 16-Bit Timer Pulse Unit (TPUa)
TCFV Flag (Overflow Flag)
This status flag indicates an overflow of TPUm.TCNT (m = 0 to 5).
[Setting condition]
ï‚· Overflow of the value in TPUm.TCNT (TCNT counted from FFFFh to 0000h).
[Clearing condition]
ï‚· Writing 0 to TCFV after reading its value as 1.
TCFU Flag (Underflow Flag)
This status flag indicates an underflow of TPUm.TCNT (m = 1, 2, 4, 5).
[Setting condition]
ï‚· Underflow of the value in TPUm.TCNT (TCNT counted from 0000h to FFFFh).
[Clearing condition]
ï‚· Writing 0 to TCFU after reading its value as 1.