MC68HC912BD32CFU10 FREESCALE [Freescale Semiconductor, Inc], MC68HC912BD32CFU10 Datasheet - Page 119

• Manufacturer Part Number: MC68HC912BD32CFU10
• Description: Advance Information
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

PWPOL— PWM Clock Select and Polarity
7-pwm
RESET:
PCLK3
Bit 7
0
PCKB2–PCKB0 — Prescaler for Clock B
PCLK3 — PWM Channel 3 Clock Select
PCLK2 — PWM Channel 2 Clock Select
PCLK1 — PWM Channel 1 Clock Select
PCLK0 — PWM Channel 0 Clock Select
PCLK2
Clock B is one of two clock sources which may be used for channels
2 and 3. These three bits determine the rate of clock B, as shown in
Table
Read and write anytime.
Freescale Semiconductor, Inc.
6
0
For More Information On This Product,
0 = Clock B is the clock source for channel 3.
1 = Clock S1 is the clock source for channel 3.
0 = Clock B is the clock source for channel 2.
1 = Clock S1 is the clock source for channel 2.
0 = Clock A is the clock source for channel 1.
1 = Clock S0 is the clock source for channel 1.
0 = Clock A is the clock source for channel 0.
1 = Clock S0 is the clock source for channel 0.
23.
(PCKB2)
PCKA2
PCLK1
Go to: www.freescale.com
5
0
0
0
0
0
1
1
1
1
Table 23 Clock A and Clock B Prescaler
Pulse Width Modulator
PCLK0
(PCKB1)
4
0
PCKA1
0
0
1
1
0
0
1
1
PPOL3
3
0
(PCKB0)
PCKA0
0
1
0
1
0
1
0
1
PPOL2
2
0
MC68HC912BD32 Rev 1.0
Clock A (B)
PWM Register Description
PPOL1
Value of
E/ 128
E/ 32
E/ 64
E/16
1
0
E/ 2
E/ 8
Pulse Width Modulator
E/4
E
PPOL0
Bit 0
0
$0041