sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 397

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

Read: Anytime
Write: Anytime
11.3.2.4
This register selects the prescale clock source for clocks A and B independently.
Freescale Semiconductor
Module Base + 0x0002
Reset
PCLK7
PCLK6
PCLK5
PCLK4
PCLK3
PCLK2
PCLK1
PCLK0
Field
7
6
5
4
3
2
1
0
W
R
PCLK7
Pulse Width Channel 7 Clock Select
0 Clock B is the clock source for PWM channel 7.
1 Clock SB is the clock source for PWM channel 7.
Pulse Width Channel 6 Clock Select
0 Clock B is the clock source for PWM channel 6.
1 Clock SB is the clock source for PWM channel 6.
Pulse Width Channel 5 Clock Select
0 Clock A is the clock source for PWM channel 5.
1 Clock SA is the clock source for PWM channel 5.
Pulse Width Channel 4 Clock Select
0 Clock A is the clock source for PWM channel 4.
1 Clock SA is the clock source for PWM channel 4.
Pulse Width Channel 3 Clock Select
0 Clock B is the clock source for PWM channel 3.
1 Clock SB is the clock source for PWM channel 3.
Pulse Width Channel 2 Clock Select
0 Clock B is the clock source for PWM channel 2.
1 Clock SB is the clock source for PWM channel 2.
Pulse Width Channel 1 Clock Select
0 Clock A is the clock source for PWM channel 1.
1 Clock SA is the clock source for PWM channel 1.
Pulse Width Channel 0 Clock Select
0 Clock A is the clock source for PWM channel 0.
1 Clock SA is the clock source for PWM channel 0.
PWM Prescale Clock Select Register (PWMPRCLK)
0
7
Register bits PCLK0 to PCLK7 can be written anytime. If a clock select is
changed while a PWM signal is being generated, a truncated or stretched
pulse can occur during the transition.
PCLKL6
0
6
Figure 11-5. PWM Clock Select Register (PWMCLK)
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Table 11-3. PWMCLK Field Descriptions
PCLK5
0
5
PCLK4
NOTE
0
4
Description
PCLK3
0
3
Pulse-Width Modulator (S12PWM8B8CV1)
PCLK2
0
2
PCLK1
0
1
PCLK0
0
0
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