MC912DG128ACPVE Datasheet, PDF (240/478 Pages) Freescale Semiconductor, Inc – Upward compatible with M68HC11 instruction set

Freescale Semiconductor, Inc.
Pulse Width Modulator
14.4 PWM Boundary Cases
The boundary conditions for the PWM channel duty registers and the
PWM channel period registers cause these results:
Table 14-2. PWM Left-Aligned Boundary Conditions
PWDTYx
$FF
$FF
≥PWPERx
≥PWPERx
–
–
PWPERx
>$00
>$00
–
–
$00
$00
PPOLx
1
0
1
0
1
0
Output
Low
High
High
Low
High
Low
Table 14-3. PWM Center-Aligned Boundary Conditions
PWDTYx
$00
$00
≥PWPERx
≥PWPERx
–
–
PWPERx
>$00
>$00
–
–
$00
$00
PPOLx
1
0
1
0
1
0
Output
Low
High
High
Low
High
Low
Technical Data
240
MC68HC912DT128A — Rev 4.0
Pulse Width Modulator
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