Fujitsu MB90895 Series Hardware Manual page 265

I Event count mode
• When the count clock select bits in the timer control status register (TMCSR: CSL1, CSL0) are set to
"11 ", the 16-bit reload timer is set to the event count mode.
B
• In the event count mode, the 16-bit reload timer decrements in synchronization with the edge detection
of the external event clock input to the TIN pin.
• A software trigger is selected as the start trigger.
• The 16-bit reload timer can be used as an interval timer by using a fixed cycle of the external clock.
CHAPTER 8 16-bit reload timer
247