Timing Of Interval Timer Operation With 8-Bit Resolution (Basic Operation) - NEC PD789860 User Manual

Figure 9-8. Timing of Interval Timer Operation with 8-Bit Resolution (Basic Operation)
t
Count clock
01H
00H
TMn0
CRn0
TCEn0
Count start
INTTMn0
Note
TMO
Note Timer 40 only
Remarks 1. Interval time: (N + 1) × t: N = 00H to FFH
2. n = 3, 4
Figure 9-9. Timing of Interval Timer Operation with 8-Bit Resolution (When CRn0 Is Cleared to 00H)
Count clock
TMn0
CRn0
TCEn0
Count start
INTTMn0
Note
TMO
Note Timer 40 only
Remark n = 3, 4
CHAPTER 9 8-BIT TIMERS 30 AND 40
00H 01H
N N
Clear
Interrupt acknowledgement
Interval time
User's Manual U14826EJ5V0UD
00H 01H N
Clear Clear
N
Interrupt acknowledgement
Interval time
00H
00H
00H 01H 00H
Count stop
Interrupt acknowledgement
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