![](http://datasheet.mmic.net.cn/230000/9S12DT256DGV3_datasheet_15574438/9S12DT256DGV3_66.png)
MC9S12DT256 Device User Guide — V03.03
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2.3.40 PM1 / TXCAN0 / TXB — 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
Motorola Scalable Controller Area Network controller 0 (CAN0). It can be configured as the transmit pin
TXB of the BDLC.
2.3.41 PM0 / RXCAN0 / RXB — 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
Motorola Scalable Controller Area Network controller 0 (CAN0). It can be configured as the receive pin
RXB of the BDLC.
2.3.42 PP7 / KWP7 / PWM7 / SCK2 — Port P I/O Pin 7
PP7isageneralpurposeinputoroutputpin.ItcanbeconfiguredtogenerateaninterruptcausingtheMCU
to exit STOP or WAIT mode. It can be configured as Pulse Width Modulator (PWM) channel 7 output. It
can be configured as serial clock pin SCK of the Serial Peripheral Interface 2 (SPI2).
2.3.43 PP6 / KWP6 / PWM6 / SS2 — Port P I/O Pin 6
PP6isageneralpurposeinputoroutputpin.ItcanbeconfiguredtogenerateaninterruptcausingtheMCU
to exit STOP or WAIT mode. It can be configured as Pulse Width Modulator (PWM) channel 6 output. It
can be configured as slave select pin SS of the Serial Peripheral Interface 2 (SPI2).
2.3.44 PP5 / KWP5 / PWM5 / MOSI2 — Port P I/O Pin 5
PP5isageneralpurposeinputoroutputpin.ItcanbeconfiguredtogenerateaninterruptcausingtheMCU
to exit STOP or WAIT mode. It can be configured as Pulse Width Modulator (PWM) channel 5 output. It
can be configured as master output (during master mode) or slave input pin (during slave mode) MOSI of
the Serial Peripheral Interface 2 (SPI2).
2.3.45 PP4 / KWP4 / PWM4 / MISO2 — Port P I/O Pin 4
PP4isageneralpurposeinputoroutputpin.ItcanbeconfiguredtogenerateaninterruptcausingtheMCU
to exit STOP or WAIT mode. It can be configured as Pulse Width Modulator (PWM) channel 4 output. It
can be configured as master input (during master mode) or slave output (during slave mode) pin MISO of
the Serial Peripheral Interface 2 (SPI2).
2.3.46 PP3 / KWP3 / PWM3 / SS1 — Port P I/O Pin 3
PP3isageneralpurposeinputoroutputpin.ItcanbeconfiguredtogenerateaninterruptcausingtheMCU
to exit STOP or WAIT mode. It can be configured as Pulse Width Modulator (PWM) channel 3 output. It
can be configured as slave select pin SS of the Serial Peripheral Interface 1 (SPI1).