Freescale Semiconductor Tower System Eval Kit for MC9S12GN32 TWR-S12GN32-KIT TWR-S12GN32-KIT Hoja De Datos
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Los códigos de productos
TWR-S12GN32-KIT
Pulse-Width Modulator (S12PWM8B8CV2)
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor
655
Figure 19-15. PWM Clock Select Block Diagram
128
2
4
8
16
32
64
PCKB2
PCKB1
PCKB0
M
U
X
Clock A
Clock B
Clock SA
Clock A/2, A/4, A/6,....A/512
Prescale
Scale
Divide b
y
PFRZ
F
reez
e Mode Signal
Bus Cloc
k
Clock Select
M
U
X
Clock to
PWM Ch 0
PWM Ch 0
M
U
X
Clock to
PWM Ch 2
PWM Ch 2
M
U
X
Clock to
PWM Ch 1
PWM Ch 1
M
U
X
Clock to
PWM Ch 4
PWM Ch 4
M
U
X
Clock to
PWM Ch 5
PWM Ch 5
M
U
X
Clock to
PWM Ch 6
PWM Ch 6
M
U
X
Clock to
PWM Ch 7
PWM Ch 7
M
U
X
Clock to
PWM Ch 3
PWM Ch 3
Load
DIV 2
PWMSCLB
Clock SB
Clock B/2, B/4, B/6,....B/512
M
U
X
PCKA2
PCKA1
PCKA0
PWME7-0
Count = 1
Load
DIV 2
PWMSCLA
Count = 1
8-Bit Down
Counter
8-Bit Down
Counter
Prescaler T
aps:
Maximum possible channels, scalable in pairs from PWM0 to PWM7.
PCLK0 PCLKAB0
PCLK1 PCLKAB1
PCLK7 PCLKAB7
PCLK6 PCLKAB6
PCLK5 PCLKAB5
PCLK4 PCLKAB4
PCLK3 PCLKAB3
PCLK2 PCLKAB2