ABOV SEMICONDUCTOR MC81F4204 - 18.1 Registers (PWMSCR, PWMPDR)

MC81F4204
April 24, 2012 Ver.1.41 109
18.1 Registers
PWMSCR
PWM STATUS AND CONTROL REGISTER 00CEH
7 6 5 4 3 2 1 0
PWMSCR
POL3 POL2 PWMS – – – –
Reset value: 0-H
R/W R/W R/W R/W – – – –
-
bit 7 Not used for MC81F4204
0: PWM 3 duty active low
POL3
PWM 3 Polarity Selection Bit
1: PWM 3 duty active high
0: PWM 2 duty active low
POL2
PWM 2 Polarity Selection Bit
1: PWM 2 duty active high
0: Timer 2 mode (interval or capture)
PWMS
PWM Selection Bit
1: PWM mode (PWM2O, PWM3O, PWM4O )
–
Bit3 – bit0 Not used for MC81F4204
PWMPDR
PWM PERIOD DUTY REGISTER 00CFH
7 6 5 4 3 2 1 0
PWMPDR
- - P3DH P3DL P2DH P2DL PPH PPL Reset value: FFH
R/W R/W R/W R/W R/W R/W R/W R/W
-
bit 7 – bit 6 Not used for MC81F4204
P3DH
PWM 3 Duty High Bit
P3DL
PWM 3 Duty Low Bit
PWM3 duty value ( 9,8th bits )
P2DH
PWM 2 Duty High Bit
P2DL
PWM 2 Duty Low Bit
PWM2 duty value ( 9,8th bits )
PPH
PWM Period High Bit
PPL
PWM Period Low Bit
Period value ( 9/8th bits )