NEC mPD780065 Series Preliminary User's Manual page 144

t
Count clock
TM5n
CR5n
FFH
TCE5n
INTTM5n
TO5n
n = 0, 1
144
CHAPTER 7 8-BIT TIMER/EVENT COUNTER
Figure 7-7. Interval Timer Operation Timings (2/3)
(b) When CR5n = 00H
t
Count clock
TM5 00H 00H
CR5n
00H
TCE5n
INTTM5n
TO5n
Interval time
(c) When CR5n = FFH
01H FEH
Preliminary User's Manual U13420EJ2V0UM00
00H
00H
FFH 00H
FFH
Interrupt request received
Interval time
FEH FFH 00H
FFH
Interrupt
request
received