CMOSTEK CMT2380F17 Manual page 181

When a module is used in the PWM mode, in addition to the above two registers, an extended
register PCAPWMn is used to improve the range of the duty cycle of the output. The improved
range of the duty cycle starts from 0%, up to 100%, with a step of 1/256. About 10/12/16 bit PWM
please reference

CCAPnH：PCA Module n Capture High Register, n=0~7
SFR Page = 0 only for n= 0~1 (n=2~5 for all page) SFR Page = 1 only for n= 6~7
SFR Address = 0xFA~0xFF
Bit
7
Name
R/W R/W
Reset V alue 0
17.4.6 and 17.4.7.
6 5
R/W R/W
0 0
4 3
CCAPnH[7:0]
R/W R/W
0 0
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CMT2380F17
2 1
R/W R/W
0 0
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0
R/W
0