NEC mPD78F0730 Preliminary User's Manual page 203

8-bit timer counter H1
8-bit timer counter H1
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Figure 8-8. Timing of Interval Timer/Square-Wave Output Operation (2/2)
Count clock
Count start
00H 01H
CMP01
TMHE1
INTTMH1
TOH1
Count clock
Count start
CMP01
TMHE1
INTTMH1
TOH1
Interval time
CHAPTER 8 8-BIT TIMER H1
(b) Operation when CMP01 = FFH
FEH FFH
Clear
FFH
(c) Operation when CMP01 = 00H
00H
00H
Preliminary User's Manual U19014EJ1V0UD
00H FEH
Interval time
FFH 00H
Clear
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