MC9S12E256VFUE Freescale Semiconductor, MC9S12E256VFUE Datasheet - Page 395

• Manufacturer Part Number: MC9S12E256VFUE
• Description: IC MCU 256K FLASH 25MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12E256VFUE

• 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: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K 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 ~ 105°C
• Package / Case: 80-QFP
• Processor Series: S12E
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, SCI, SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 60
• Number Of Timers: 12
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• On-chip Dac: 8 bit, 2 Channel
• Package: 80PQFP
• Family Name: HCS12
• Maximum Speed: 50 MHz
• For Use With: M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

To calculate the output period, take the selected clock source period for the channel of interest (A, B, SA,
or SB) and multiply it by the value in the period register for that channel:
For boundary case programming values, please refer to
Freescale Semiconductor
Reset
Reset
Reset
Reset
Reset
•
•
•
W
W
W
W
W
R
R
R
R
R
Left aligned output (CAEx = 0)
PWMx period = channel clock period * PWMPERx center aligned output (CAEx = 1)
PWMx period = channel clock period * (2 * PWMPERx)
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
0
0
0
0
0
7
7
7
7
7
Figure 12-21. PWM Channel Period Registers (PWMPER0)
Figure 12-22. PWM Channel Period Registers (PWMPER1)
Figure 12-23. PWM Channel Period Registers (PWMPER2)
Figure 12-24. PWM Channel Period Registers (PWMPER3)
Figure 12-25. PWM Channel Period Registers (PWMPER4)
6
0
6
0
6
0
6
0
6
0
6
6
6
6
6
MC9S12E256 Data Sheet, Rev. 1.08
5
0
5
0
5
0
5
0
5
0
5
5
5
5
5
4
0
4
0
4
0
4
0
4
0
4
4
4
4
4
Section 12.4.2.8, “PWM Boundary Cases.”
3
3
0
3
3
0
3
3
0
3
3
0
3
3
0
Chapter 12 Pulse-Width Modulator (PWM8B6CV1)
2
0
2
0
2
0
2
0
2
0
2
2
2
2
2
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
0
0
0
0
0
0
0
0
0
0
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