Rainbow Electronics W90N745CDG - Manual (Page 371)

W90N745CD/W90N745CDG
Publication Release Date: September 22, 2006
- 367 - Revision A2
PWM Comparator Register 0/1/2/3 (PWM_CMR0/1/2/3)
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
PWM_CMR0 0xFFF8_7010 R/W PWM Comparator Register 0 0x0000_0000
PWM_CMR1 0xFFF8_701C R/W PWM Comparator Register 1 0x0000_0000
PWM_CMR2 0xFFF8_7028 R/W PWM Comparator Register 2 0x0000_0000
PWM_CMR3 0xFFF8_7034 R/W PWM Comparator Register 3 0x0000_0000
31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8
CMRx[15:8]
7 6 5 4 3 2 1 0
CMRx[7:0]
BITS DESCRIPTIONS
[31:16] Reserved -
[15:0] CMRx
CMR: PWM comparator register
Inserted data range: 65535~0. CMR is used to determine PWM output
duty ratio.
Note 1: PWM duty = CMR + 1.If CMR is loaded as zero, PWM duty =
1
Note 2: Programmer can feel free to write data to CMR at any time,
and it will be reloaded when PWM counter reaches zero.