MC81F4332 Datasheet, PDF (137/198 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

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