NEC 78K0 User Manual page 222

Count clock
TM5n
CR5n
FF
TCE5n
INTTM5n
Remark n = 0, 1
222
CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50 AND 51
Figure 8-11. Interval Timer Operation Timing (2/2)
(b) When CR5n = 00H
t
Count clock
TM5n 00H 00H
CR5n 00H
TCE5n
INTTM5n
Interval time
(c) When CR5n = FFH
t
01 FE
User's Manual U15947EJ2V0UD
00H
00H
FF 00
*
FF
Interrupt acknowledged
Interval time
FE FF 00
FF
Interrupt
acknowledged