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MC68HC12 Datasheet, PDF (240/478 Pages) Motorola, Inc – The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit | |||
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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
â¥PWPERx
â¥PWPERx
â
â
PWPERx
>$00
>$00
â
â
$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
â¥PWPERx
â¥PWPERx
â
â
PWPERx
>$00
>$00
â
â
$00
$00
PPOLx
1
0
1
0
1
0
Output
Low
High
High
Low
High
Low
Technical Data
240
Pulse Width Modulator
MC68HC912DT128A â Rev 4.0
MOTOROLA
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