MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 359
MC9S12E128CPV
Manufacturer Part Number
MC9S12E128CPV
Description
Microcontrollers (MCU) 16 Bit 16MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12E128CPV.pdf
(606 pages)
Specifications of MC9S12E128CPV
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
LQFP-112
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
Lead Free Status / Rohs Status
No RoHS Version Available
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12E128CPVE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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In an edge-aligned operation, the PWM counter is an up counter. The PWM output resolution is one bus
clock cycle.
11.4.3.3
The signed 16-bit number written to the PMF value registers is the pulse width in PWM clock periods of
the PWM generator output.
Freescale Semiconductor
PWM period = PWM modulus PWM clock period
Duty Cycle
A PWM value less than or equal to zero deactivates the PWM output for the
entire PWM period. A PWM value greater than or equal to the modulus
activates the PWM output for the entire PWM period.
PWM PERIOD = 4 x PWM CLOCK PERIOD
$8000–$FFFF
$0000–$7FFF
Table 11-46. PWM Value and Underflow Conditions
PMFVALx
Figure 11-44. Edge-Aligned PWM Period
PWM CLOCK PERIOD
MC9S12E128 Data Sheet, Rev. 1.07
Duty cycle
MODULUS = 4
UP COUNTER
COUNT
Condition
Underflow
Normal
=
Chapter 11 Pulse Width Modulator with Fault Protection (PMF15B6CV2)
NOTE
------------------------------- -
MODULUS
PMFVAL
1
2
PWM Value Used
Value in registers
3
100
4
$0000
359
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