NEC 78K0/KD1 Series User Manual page 188

Count clock
Count start
00H
8-bit timer counter Hn
CMP0n
TMHEn
INTTMHn
TOHn
Count clock
8-bit timer counter Hn
CMP0n
TMHEn
INTTMHn
TOHn
Remark n = 0, 1
188
CHAPTER 8 8-BIT TIMERS H0 AND H1
Figure 8-7. Timing of Interval Timer Operation (2/2)
(b) Operation when CMP0n = FFH
01H
(c) Operation when CMP0n = 00H
Count start
Interval time
Preliminary User's Manual U16315EJ1V0UD
FEH FFH 00H
Clear
FFH
Interval time
00H
00H
FEH FFH 00H
Clear