MC9S12E128CFUE Datasheet, PDF (375/606 Pages) Freescale Semiconductor, Inc – MC9S12E128 Data Sheet

Chapter 11 Pulse Width Modulator with Fault Protection (PMF15B6CV2)
HALF = 1, LDFQ[3:0] = 00 = Reload EVERY HALF-CYCLE
UP/DOWN
COUNTER
LDOK = 1
1
MODULUS = 3
3
PWM VALUE = 1
2
PWMRF = 1
1
0
0
1
3
3
3
2
2
1
1
1
1
1
3
3
1
0
3
3
1
1
3
1
1
PWM
Figure 11-70. Half-Cycle Center-Aligned PWM Value Loading
HALF = 1, LDFQ[3:0] = 00 = Reload every HALF-cycle
Up/Down
COUNTER
LDOK = 1
0
0
1
0
MODULUS = 2
2
3
4
4
PWM VALUE = 1
1
1
1
1
PWMRF = 1
1
1
1
1
1
10 ⁴
12 1
11 1
11
PWM
Figure 11-71. Half-Cycle Center-Aligned Modulus Loading
LDFQ[3:0] = 00 = Reload every cycle
Up-Only
COUNTER
LDOK = 1
0
1
0
0
MODULUS = 3
3
3
3
3
PWM VALUE = 1
2
2
1
1
PWMRF = 1
1
1
1
1
PWM
Figure 11-72. Edge-Aligned PWM Value Loading
MC9S12E128 Data Sheet, Rev. 1.07
Freescale Semiconductor
375