UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 351

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

(2) Rewriting compare register (CR20)
Remark ALV2 = 1
The output level of the timer output (TO2) is not changed even if the CR20 value matches the timer register 2 (TM2)
value more than once during one PPG output cycle.
TM2
Count Value
CR20
TO2
0H
CR21
T1
Figure 10-31 Example of Compare Register Rewrite
Rewrite
T1
CR20
CHAPTER 10 TIMER/COUNTER 2
CR20 and TM2 values match, but TO2 does not change here.
T2
T2
CR21
CR21
T1
T2
CR21
T1
311