Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256 用户手册

产品代码

DEMO9S12XHY256

Device Overview MC9S12XHY-Family

MC9S12XHY-Family Reference Manual, Rev. 1.04

Freescale Semiconductor

1.7.3.16

PS3 / PWM5 / TXCAN / KWS3 — Port S I/O Pin 3

PS3 is a general-purpose input or output pin. It can be configured as the transmit pin TXCAN of the
scalable controller area network controller (CAN). It can be configured as PWM channel5. It can
configured as keypad wakeup input.

1.7.3.17

PS2 / PWM4 / RXCAN / KWS2 — Port S I/O Pin 2

PS3 is a general-purpose input or output pin. It can be configured as the receive pin RXCAN of the scalable
controller area network controller (CAN). It can be configured as PWM channel4. It can configured as
keypad wakeup input.

1.7.3.18

PS1 / PWM7 / TXD — Port S I/O Pin 1

PS1 is a general-purpose input or output pin. It can be configured as the transmit pin TXD of serial
communication interface(SCI). It can be configured as PWM channel 7.

1.7.3.19

PS0 / PWM6 / RXD — Port S I/O Pin 0

PS0 is a general-purpose input or output pin. It can be configured as the receive pin RXD of serial
communication interface(SCI). It can be configured as PWM channel 6.

1.7.3.20

PR7 / FP[27] — Port R I/O Pin 7

PR7 is a general-purpose input or output pin. It can be configured as frontplane segment driver output
FP[27].

1.7.3.21

PR6 / SCL / FP[18]— Port R I/O Pin 6

PR6 is a general-purpose input or output pin. It can be configured as frontplane segment driver output
FP[18]. It can be configured as the serial clock pin SCL of IIC.

1.7.3.22

PR5 / SDA / FP[17]— Port R I/O Pin 5

PR5 is a general-purpose input or output pin. It can be configured as frontplane segment driver output
FP[17]. It can be configured as the serial data pin SDA of IIC.

1.7.3.23

PR4 / KWR4 / FP[12] — Port R I/O Pin 4

PR4 is a general-purpose input or output pin. It can be configured as frontplane segment driver output
FP[12].They can be configured as keypad wakeup inputs.

1.7.3.24

PR[3:2] / IOC1[7:6] / KWR[3:2] — Port R I/O Pins [3:2]

PR[3:2] are a general-purpose input or output pins. They can be configured as timer (TIM1) channel 7-6.
They can be configured as keypad wakeup inputs.