MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 374
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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Chapter 11 Pulse Width Modulator with Fault Protection (PMF15B6CV2)
11.4.7.3
With a reload opportunity, regardless an actual reload occurs as determined by LDOK bit, the PWMF
reload flag is set. If the PWM reload interrupt enable bit, PWMRIE is set, the PWMF flag generates CPU
interrupt requests allowing software to calculate new PWM parameters in real time. When PWMRIE is
not set, reloads still occur at the selected reload rate without generating CPU interrupt requests.
374
Reload Flag
PWM VALUE = 1
MODULUS = 3
READ PWMRF AS 1 THEN
PWMRF = 1
UP/DOWN
COUNTER
PWM VALUE = 1
LDOK = 1
MODULUS = 2
PWM
Figure 11-68. Full-Cycle Center-Aligned PWM Value Loading
WRITE 0 TO PWMF
Up/Down
COUNTER
PWMRF = 1
Figure 11-69. Full-Cycle Center-Aligned Modulus Loading
PWM Reload
LDOK = 1
PWM
Figure 11-67. PWMRF Reload Interrupt Request
RESET
MC9S12E128 Data Sheet, Rev. 1.07
HALF = 0, LDFQ[3:0] = 00 = Reload every cycle
HALF = 0, LDFQ[3:0] = 00 = Reload every cycle
0
3
2
1
1
3
1
1
Vdd
D
CLK
CLR
Q
1
3
2
1
PWMRIE
PWMRF
1
2
1
1
1
1
1
1
0
3
1
1
CPU Interrupt
Request
0
2
1
1
Freescale Semiconductor
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