UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 391
UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
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11.4.2 Clear Operation
(1) Clear operation by match with compare register (CR30)
(2) Clear operation by CE3 bit of timer/control register 0 (TMC0)
16-bit timer 3 (TM3) is cleared automatically after a match with the compare register (CR30). When a clearance source
arises, TM3 is cleared to 0H on the next count clock. Therefore, even if a clearance source arises, the value at the
point at which the clearance source arose is retained until the next count clock arrives.
Timer register 3 (TM3) is also cleared when the CE3 bit of TMC0 is cleared (0) by software. The clear operation is
performed immediately after the clearance (0) of the CE3 bit.
Figure 11-6 TM3 Clearance by Match with Compare Register (CR30)
Compare Register
Count Clock
(CR30)
TM3
n-1
TM3 and CR30 Match
CHAPTER 11 TIMER 3
n
Cleared Here
n
0
1
351
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