Renesas R5S72640 用户手册
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Section 35 Motor Control PWM Timer
R01UH0134EJ0400 Rev. 4.00
Page 1833 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
35.3.1
PWM Control Register_n (PWCR_n) (n = 1, 2)
PWCR_n performs interrupt control, starting/stopping of the counter, and counter clock selection.
It also contains a flag that indicates a compare match with the cycle register.
It also contains a flag that indicates a compare match with the cycle register.
7
—
1
—
6
—
1
—
5
IE
0
R/W
4
CMF
0
R/(W)*
3
CST
0
R/W
0
CKS0
0
R/W
2
CKS2
0
R/W
1
CKS1
0
R/W
Bit
Bit Name
Initial Value
R/W
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
7, 6
All
1
Reserved
These bits are always read as 1 and cannot be
modified.
modified.
5 IE
0 R/W
Interrupt
Enable
Enables or disables an interrupt request in the event of
a compare match with PWCYR_n of the corresponding
channel.
a compare match with PWCYR_n of the corresponding
channel.
0: Interrupt disabled
1: Interrupt enabled
4 CMF 0 R/(W)* Compare Match Flag
Indicates the occurrence of a compare match with
PWCYR_n of the corresponding channel.
PWCYR_n of the corresponding channel.
[Setting condition]
When PWCNT_n = PWCYR_n
1
[Clearing conditions]
When 0 is written to CMF after reading CMF = 1
When the direct memory access controller is
When 0 is written to CMF after reading CMF = 1
When the direct memory access controller is
activated by a compare match interrupt, and the
DTA bit in DMDR of the direct memory access
controller is 1
DTA bit in DMDR of the direct memory access
controller is 1
(When the CPU is used to clear this flag by writing
0 while the corresponding interrupt is enabled, be
sure to read the flag after writing 0 to it.)
0 while the corresponding interrupt is enabled, be
sure to read the flag after writing 0 to it.)