mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 219
mc68hc908sr12
Manufacturer Part Number
mc68hc908sr12
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908SR12.pdf
(404 pages)
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13.10.3 PWM Data Registers (PWMDR0–PWMDR2)
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Address:
Address:
Address:
PCLK1–PCLK0 — PWM Clock Prescaler Bits
The three PWM data registers (PWMDR0–PWMDR2) defines the high
period for corresponding PWM channels.
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
These two bits select the divide ratio used to divide the PWM input
clock.
0PWMD7 0PWMD6 0PWMD5 0PWMD4 0PWMD3 0PWMD2 0PWMD1 0PWMD0
1PWMD7 1PWMD6 1PWMD5 1PWMD4 1PWMD3 1PWMD2 1PWMD1 1PWMD0
2PWMD7 2PWMD6 2PWMD5 2PWMD4 2PWMD3 2PWMD2 2PWMD1 2PWMD0
Table 13-2. PWM Counter Clock Prescaler Selection
$0053
$0054
$0055
Table 13-2
0
0
0
Figure 13-7. PWM Data Register 0 (PWMDR0)
Figure 13-8. PWM Data Register 1 (PWMDR1)
Figure 13-9. PWM Data Register 2 (PWMDR2)
Pulse Width Modulator (PWM)
PCLK1
0
0
0
0
0
1
1
shows the available clock divisions.
0
0
0
PCLK0
0
1
0
1
0
0
0
PWM Clock, P
Source clock ÷ 1
Source clock ÷ 2
Source clock ÷ 4
Source clock ÷ 8
0
0
0
Pulse Width Modulator (PWM)
0
0
0
CLK
0
0
0
I/O Registers
Data Sheet
0
0
0
219
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