UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 345

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(2) Rewriting compare registers (CR20, CR21)
Remark ALV2 = 1
The output level of the timer output (TOn + 2: n + 2 = 2, 3) is not inverted even if the CR2n (n = 0, 1) value matches
the timer register 2 (TM2) value more than once during one PWM output cycle.
TM2W
Count Value
CR20W
TO2
0H
Figure 10-26 Example of Compare Register (CR20W) Rewrite
T1
CR20W
Rewrite
T1
CHAPTER 10 TIMER/COUNTER 2
CR20W and TM2W values match, but TO2 does not change here.
T2
T2
FFFFH
T1
T2
FFFFH
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