Datasheet

Chapter 11 Pulse Width Modulator with Fault Protection (PMF15B6C) Module
MC9S12E256 Data Sheet, Rev. 1.10
Freescale Semiconductor 377
Figure 11-68. Full-Cycle Center-Aligned PWM Value Loading
Figure 11-69. Full-Cycle Center-Aligned Modulus Loading
Figure 11-70. Half-Cycle Center-Aligned PWM Value Loading
PWM
HALF = 0, LDFQ[3:0] = 00 = RELOAD EVERY CYCLE
LDOK = 1
MODULUS = 3
PWM VALUE = 1
PWMRF = 1
0
3
2
1
1
3
2
1
0
3
1
1
UP/DOWN
COUNTER
UP/DOWN
PWM
HALF = 0, LDFQ[3:0] = 00 = RELOAD EVERY CYCLE
LDOK = 1
MODULUS = 2
PWM VALUE = 1
PWMRF = 1
1
3
1
1
1
2
1
1
1
1
1
1
0
2
1
1
COUNTER
PWM
HALF = 1, LDFQ[3:0] = 00 = RELOAD EVERY HALF-CYCLE
LDOK = 1
MODULUS = 3
PWM VALUE = 1
PWMRF = 1
0
3
2
1
1
3
1
1
0
3
3
1
UP/DOWN
COUNTER
1
3
2
1
0
3
2
1
1
3
3
1
1
3
1
1