MC9S12HY64 Datasheet, PDF (40/792 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

Device Overview MC9S12HY/HA-Family
1.7.3.17 PS2 / RXCAN — 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).
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 / 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].
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) channels 7-6.
The can be configured as keypad wakeup inputs.
1.7.3.25 PR[1:0] / IOC0[7:6] / KWR[1:0] — Port R I/O Pins [1:0]
PR[1:0] are a general-purpose input or output pins. They can be configured as timer (TIM0) channels 7-6.
They can be configured as keypad wakeup inputs.
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
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Freescale Semiconductor