MC9S12E64CFU Freescale Semiconductor, MC9S12E64CFU Datasheet - Page 360

• Manufacturer Part Number: MC9S12E64CFU
• Description: IC MCU 64K FLASH 25MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12E64CFU

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 60
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 2.75 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Data Bus Width: 16 bit
• Data Ram Size: 4 KB
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 60
• Number Of Timers: 16 bit
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• On-chip Dac: 8 bit, 2 Channel
• For Use With: M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No RoHS Version Available

Chapter 11 Pulse Width Modulator with Fault Protection (PMF15B6CV2)
Center-aligned operation is illustrated in
Edge-aligned operation is illustrated in
360
PWM pulse width = (PWM value) (PWM clock period) 2
PWM pulse width = (PWM value) (PWM clock period)
UP/DOWN COUNTER
PWM VALUE = 0
PWM VALUE = 1
PWM VALUE = 2
PWM VALUE = 3
PWM VALUE = 4
MODULUS = 4
COUNT
4/4 = 100%
1/4 = 25%
2/4 = 50%
3/4 = 75%
0/4 = 0%
PWM VALUE = 0
PWM VALUE = 1
PWM VALUE = 2
PWM VALUE = 3
PWM VALUE = 4
Figure 11-45. Center-Aligned PWM Pulse Width
Figure 11-46. Edge-Aligned PWM Pulse Width
MODULUS = 4
UP COUNTER
0
4/4 = 100%
1/4 = 25%
2/4 = 50%
3/4 = 75%
1
0/4 = 0%
COUNT
MC9S12E128 Data Sheet, Rev. 1.07
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Figure
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4
11-46.
11-45.
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2
1
0
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Freescale Semiconductor
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