Input Pulse Interval Measurement in RX24U

I want measure the Input Pulse Interval Measurement as like in RL78 Series. How to measure the interval of the pulse in RX24U - R5F24UEAADFB MCU. There are many timers but, i don't know how to use the timers to measure the pulse.  The Code Generator confuses me.......Please help me out of this problem as soon as possible.