NEC mPD780852 Series Preliminary User's Manual page 129

CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 2 TM2 AND 3 TM3
Count clock
t
Count clock
TMn 01
CRn
FF
TCEn
INTTMn
TIOn
Remark n = 2, 3
Figure 8-7. Interval Timer Operation Timings (2/3)
(b) When CRn = 00H
t
TMn 00H 00H 00H
CRn 00H 00H
TCEn
INTTMn
TIOn
Interval time
(c) When CRn = FFH
FE
Preliminary User's Manual U14581EJ3V0UM00
FF 00
FF
Interrupt received
Interval time
FE FF 00
FF
Interrupt
received
129