MC81F4432
20.1 Registers
PWMSCR
PWM STATUS AND CONTROL REGISTER (PWMSCR)
00CEH
7
6
5
4
3
2
1
0
POL4
POL3
POL2 PWMS
R/W R/W
–
–
–
–
PWMSCR
Reset value: 0-H
R/W
R/W
–
–
–
–
0: PWM 4 duty active low
1: PWM 4 duty active high
0: PWM 3 duty active low
1: PWM 3 duty active high
0: PWM 2 duty active low
1: PWM 2 duty active high
POL4
POL3
POL2
PWM 4 Polarity Selection Bit
PWM 3 Polarity Selection Bit
PWM 2 Polarity Selection Bit
0: Timer 2 mode (interval or capture)
1: PWM mode (PWM2O, PWM3O, PWM4O )
Not used for MC81F4x32
PWMS
PWM Selection Bit
–
Bit3 – bit0
PWMPDR
PWM PERIOD DUTY REGISTER
00CFH
7
6
5
4
3
2
1
0
P4DH
P4DL
P3DH
P3DL
P2DH
P2DL
PPH
PPL
PWMPDR
Reset value: FFH
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
P4DH
P4DL
P3DH
P3DL
P2DH
P2DL
PPH
PWM 4 Duty High Bit
PWM 4 Duty Low Bit
PWM 3 Duty High Bit
PWM 3 Duty Low Bit
PWM 2 Duty High Bit
PWM 2 Duty Low Bit
PWM Period High Bit
PWM Period Low Bit
PWM4 duty value ( 9,8th bits )
PWM3 duty value ( 9,8th bits )
PWM2 duty value ( 9,8th bits )
Period value
( 9/8th bits )
PPL
October 19, 2009 Ver.1.35
137
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