UPD784938 Datasheet, PDF (343/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 11 TIMER/EVENT COUNTER 2
(2) Rewriting compare register (CR20)
The output level of the timer output (TO2) is not changed even if the CR20 value matches the timer counter 2 (TM2)
value more than once during one PPG output cycle.
Figure 11-31. Example of Compare Register Rewrite
CR21
TM2
count value
CR21
T2
T1
CR21
T2
T1
T1
0H
CR20
T1
TO2
Remark ALV2 = 1
T2
CR20
rewrite
CR20 and TM2 values match, but TO2 does not change here.
Preliminary User’s Manual U13987EJ1V0UM00
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