MC9S12P64VQK Freescale Semiconductor, MC9S12P64VQK Datasheet - Page 338

• Manufacturer Part Number: MC9S12P64VQK
• Description: 16-bit Microcontrollers - MCU 16 BIT 64K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of MC9S12P64VQK

• Rohs: yes
• Core: S12
• Processor Series: MC9S12P
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 64 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 4 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 5 V
• Operating Temperature Range: - 40 C to 105 C
• Package / Case: QFP-80
• Mounting Style: SMD/SMT
• Interface Type: I2C, SCI, SPI
• Program Memory Type: Flash

Pulse-Width Modulator (PWM8B6CV1) Block Description
10.3.2.4
This register selects the prescale clock source for clocks A and B independently.
Read: anytime
Write: anytime
338
Module Base + 0x0003
PCLK5
PCLK4
PCLK3
PCLK2
PCLK1
PCLK0
Reset
Field
5
4
3
2
1
0
W
R
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
0
7
PCKB2–PCKB0 and PCKA2–PCKA0 register bits can be written anytime.
If the clock prescale is changed while a PWM signal is being generated, a
truncated or stretched pulse can occur during the transition.
Figure 10-6. PWM Prescaler Clock Select Register (PWMPRCLK)
= Unimplemented or Reserved
PCKB2
0
6
Table 10-4. PWMCLK Field Descriptions
S12P-Family Reference Manual, Rev. 1.13
PCKB1
0
5
PCKB0
NOTE
0
4
Description
0
0
3
PCKA2
0
2
PCKA1
Freescale Semiconductor
0
1
PCKA0
0
0