UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 225
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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8.4.2 Clear Operation
(1) Clear operation after a match with the compare register
(2) Clear operation by the CE0 bit of the timer control register 0 (TMC0)
The timer register 0 (TM0) can be cleared automatically after a match with the compare register (CR01). When a clearance
source arises, TM0 is cleared to 0000H 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.
The timer register 0 (TM0) is also cleared when the CE0 bit of TMC0 is cleared (0) by software. The clear operation is
performed immediately after clearance (0) of the CE0 bit.
Compare Register
Count Clock
Figure 8-8 TM0 Clearance by Match with Compare Register (CR01)
(CR01)
TM0
n–1
TM0 and CR01 Match
CHAPTER 8 TIMER/COUNTER 0
n
Cleared Here
n
0
1
185
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