MC9S12XF512_1 Datasheet, PDF (949/1306 Pages) Freescale Semiconductor, Inc – S12X Microcontrollers

Chapter 20 Pulse Width Modulator with Fault Protection (PMF15B6C) Module
HALF = 0, LDFQ[3:0] = 00 = RELOAD EVERY CYCLE
UP/DOWN
COUNTER
LDOK = 1
0
1
0
MODULUS = 3
3
3
3
PWM VALUE = 1
2
2
1
PWMRF = 1
1
1
1
PWM
Figure 20-68. Full-Cycle Center-Aligned PWM Value Loading
HALF = 0, LDFQ[3:0] = 00 = RELOAD EVERY CYCLE
UP/DOWN
COUNTER
LDOK = 1
1
MODULUS = 2
3
PWM VALUE = 1
1
PWMRF = 1
1
1
1
0
2
1
2
1
1
1
1
1
1
PWM
Figure 20-69. Full-Cycle Center-Aligned Modulus Loading
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 20-70. Half-Cycle Center-Aligned PWM Value Loading
MC9S12XF - Family Reference Manual, Rev.1.19
Freescale Semiconductor
949