![](http://datasheet.mmic.net.cn/370000/P3S12XEP100J1CAGR_datasheet_16728231/P3S12XEP100J1CAGR_59.png)
Chapter 1 Device Overview MC9S12XE-Family
MC9S12XE-Family Reference Manual Rev. 1.07
Freescale Semiconductor
59
1.2.3.54
PM5 / TXCAN0 / TXCAN2 / TXCAN4 / SCK0 — Port M I/O Pin 5
PM5 is a general-purpose input or output pin. It can be configured as the transmit pin TXCAN of the
scalable controller area network controllers 0, 2 or 4 (CAN0, CAN2, or CAN4). It can be configured as
the serial clock pin SCK of the serial peripheral interface 0 (SPI0).
1.2.3.55
PM4 / RXCAN0 / RXCAN2 / RXCAN4 / MOSI0 — Port M I/O Pin 4
PM4 is a general-purpose input or output pin. It can be configured as the receive pin RXCAN of the
scalable controller area network controllers 0, 2, or 4 (CAN0, CAN2, or CAN4). It can be configured as
the master output (during master mode) or slave input pin (during slave mode) MOSI for the serial
peripheral interface 0 (SPI0).
1.2.3.56
PM3 / TXCAN1 / TXCAN0 / SS0 — Port M I/O Pin 3
PM3 is a general-purpose input or output pin. It can be configured as the transmit pin TXCAN of the
scalable controller area network controllers 1 or 0 (CAN1 or CAN0). It can be configured as the slave
select pin SS of the serial peripheral interface 0 (SPI0).
1.2.3.57
PM2 / RXCAN1 / RXCAN0 / MISO0 — Port M I/O Pin 2
PM2 is a general-purpose input or output pin. It can be configured as the receive pin RXCAN of the
scalable controller area network controllers 1 or 0 (CAN1 or CAN0). It can be configured as the master
input (during master mode) or slave output pin (during slave mode) MISO for the serial peripheral
interface 0 (SPI0).
1.2.3.58
PM1 / TXCAN0 — Port M I/O Pin 1
PM1 is a general-purpose input or output pin. It can be configured as the transmit pin TXCAN of the
scalable controller area network controller 0 (CAN0).
1.2.3.59
PM0 / RXCAN0 — Port M I/O Pin 0
PM0 is a general-purpose input or output pin. It can be configured as the receive pin RXCAN of the
scalable controller area network controller 0 (CAN0).
1.2.3.60
PP7 / KWP7 / PWM7 / SCK2 / TIMIOC7— Port P I/O Pin 7
PP7 is a general-purpose input or output pin. It can be configured as a keypad wakeup input. It can be
configured as pulse width modulator (PWM) channel 7 output, TIM channel 7, or as serial clock pin SCK
of the serial peripheral interface 2 (SPI2).
1.2.3.61
PP6 / KWP6 / PWM6 / SS2 / TIMIOC6— Port P I/O Pin 6
PP6 is a general-purpose input or output pin. It can be configured as a keypad wakeup input. It can be
configured as pulse width modulator (PWM) channel 6 output, TIM channel 6 or as the slave select pin SS
of the serial peripheral interface 2 (SPI2).