UPD780957 Datasheet, PDF (159/326 Pages) NEC – 8-Bit Single-Chip Microcontrollers

CHAPTER 8 16-BIT TIMER/EVENT COUNTER 2
Figure 8-4. Timing of Interval Timer Operation (When Using Internal Clock) (2/2)
(c) When CR2 = FFFFH
t
Count clock
TCE2
Internal TCE2 signal
TM2 count value
0 0001H FFFEH FFFFH 0 FFFEH FFFFH 0 FFFEH FFFFH 0 FFFEH
Count start
Match ^Clear
Match ^Clear
Match ^Clear
CR2
FFFFH
INTTM2
Interrupt
request
acknowledged
Interrupt
request
acknowledged
Interval time
Interval time
Interrupt
request
acknowledged
User’s Manual U13655EJ2V1UD
159