mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 213
mc68hc908sr12
Manufacturer Part Number
mc68hc908sr12
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908SR12.pdf
(404 pages)
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MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
CHANNEL 0
PWMR0
CHANNEL 1 OUTPUT LOGIC
DATA REGISTER
DATA REGISTER
TO/FROM
8-BIT PWM
LOGIC
PWM1
BUFFER
PTC1
8-BIT
COMPARATOR
INTERNAL BUS
PWMCR
B
A
PCH1
1
S
PWMCR
PCLK1
PCLK0
A IS SELECTED
WHEN S=0
8-BIT COUNTER
TO/FROM
DETECTOR
LATCH
LOGIC
Figure 13-2. PWM Block Diagram
PTC0
ZERO
R
S
Pulse Width Modulator (PWM)
Q
PTC1/PWM1
÷ 2
PIN
MUX
PWM0
÷ 2
P
CLK
8-BIT COUNTER
÷ 2
CHANNEL 1
CHANNEL 0 OUTPUT LOGIC
TO
CHANNEL 2 OUTPUT LOGIC
PWMCR
B
A
PCH0
TO/FROM
1
PWMCLK
S
LOGIC
PWM2
PTC2
FROM
ANALOG
MODULE
CDIF
PCLKSEL
PWMCCR
S
B
8-BIT COUNTER
A
1
CHANNEL 2
PWMCR
CONFIG2
B
A
CDOEN
A
B
PCH2
1
1
S
Pulse Width Modulator (PWM)
TO
WHEN PCLKSEL=0,
PWMCLK=CGMOUT.
IF CGMVCLK IS SELECTED,
CGM’S PLL MUST BE RUNNING.
S
A IS SELECTED
WHEN S=0
A IS SELECTED
WHEN S=0
CGMOUT
CGMVCLK
PTC0/PWM0/CD
PTC2/PWM2
FROM CGM
Data Sheet
PIN
PIN
Features
213
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