Bosch PPP6 B8 Series Manual de servicio Pagina 222

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Pulse Width Modulator
Technical Data MC68HC912D60A — Rev. 3.1
222 Pulse Width Modulator Freescale Semiconductor
13.4 PWM Boundary Cases
The boundary conditions for the PWM channel duty registers and the
PWM channel period registers cause these results:
Table 13-2. PWM Left-Aligned Boundary Conditions
PWDTYx PWPERx PPOLx Output
$FF >$00 1 Low
$FF >$00 0 High
PWPERx 1 High
PWPERx 0 Low
$00 1 High
–$000Low
Table 13-3. PWM Center-Aligned Boundary Conditions
PWDTYx PWPERx PPOLx Output
$00 >$00 1 Low
$00 >$00 0 High
PWPERx 1 High
PWPERx 0 Low
$00 1 High
–$000Low
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