MC9S12E256MPVE Freescale Semiconductor, MC9S12E256MPVE Datasheet - Page 141

• Manufacturer Part Number: MC9S12E256MPVE
• Description: IC MCU 256K FLASH 25MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12E256MPVE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 91
• 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 ~ 125°C
• Package / Case: 112-LQFP
• 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: 92
• Number Of Timers: 12
• Operating Supply Voltage: 0 V to 5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16-ch x 10-bit
• On-chip Dac: 2-ch x 8-bit
• 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: Lead free / RoHS Compliant

3.3.3
Port P is associated with the Pulse Width Modulator (PMF) modules. Each pin is assigned according to
the following priority: PMF > general-purpose I/O.
When a PMF channel is enabled, the corresponding pin becomes a PWM output. Refer to
“Pulse Width Modulator with Fault Protection (PMF15B6CV2)”
disabling the PWM channels.
During reset, port P pins are configured as high-impedance inputs.
3.3.3.1
Read: Anytime. Write: Anytime.
If the associated data direction bit (DDRPx) is set to 1 (output), a read returns the value of the I/O register
bit. If the associated data direction bit (DDRPx) is set to 0 (input), a read returns the value of the pin.
The PMF function takes precedence over the general-purpose I/O function if the associated PWM channel
is enabled. The PWM channels 5-0 are outputs if the respective channels are enabled.
3.3.3.2
Read: Anytime. Write: Never, writes to this register have no effect.
This register always reads back the status of the associated pins.
Freescale Semiconductor
Reset
Reset
PMF:
W
W
R
R
Port P
Port P I/O Register (PTP)
Port P Input Register (PTIP)
0
0
0
0
7
7
= Reserved or Unimplemented
= Reserved or Unimplemented
0
0
0
0
6
6
Figure 3-18. Port P Input Register (PTIP)
Figure 3-17. Port P I/O Register (PTP)
PTIP5
PTP5
PW05
MC9S12E256 Data Sheet, Rev. 1.08
0
u
5
5
PTIP4
PTP4
PW04
0
u
4
4
u = Unaffected by reset
PTIP3
PTP3
PW03
3
0
3
u
for information on enabling and
Chapter 3 Port Integration Module (PIM9E256V1)
PTIP2
PTP2
PW02
0
u
2
2
PTIP1
PTP1
PW01
0
u
1
1
Chapter 11,
PTIP0
PTP0
PW00
0
u
0
0
141