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Chapter 1 Device Overview MC9S12XE-Family
MC9S12XE-Family Reference Manual Rev. 1.07
Freescale Semiconductor
61
1.2.3.69
PS7 / SS0 — Port S I/O Pin 7
PS7 is a general-purpose input or output pin. It can be configured as the slave select pin SS of the serial
peripheral interface 0 (SPI0).
1.2.3.70
PS6 / SCK0 — Port S I/O Pin 6
PS6 is a general-purpose input or output pin. It can be configured as the serial clock pin SCK of the serial
peripheral interface 0 (SPI0).
1.2.3.71
PS5 / MOSI0 — Port S I/O Pin 5
PS5 is a general-purpose input or output pin. It can be configured as master output (during master mode)
or slave input pin (during slave mode) MOSI of the serial peripheral interface 0 (SPI0).
1.2.3.72
PS4 / MISO0 — Port S I/O Pin 4
PS4 is a general-purpose input or output pin. It can be configured as master input (during master mode) or
slave output pin (during slave mode) MOSI of the serial peripheral interface 0 (SPI0).
1.2.3.73
PS3 / TXD1 — Port S I/O Pin 3
PS3 is a general-purpose input or output pin. It can be configured as the transmit pin TXD of serial
communication interface 1 (SCI1).
1.2.3.74
PS2 / RXD1 — Port S I/O Pin 2
PS2 is a general-purpose input or output pin. It can be configured as the receive pin RXD of serial
communication interface 1 (SCI1).
1.2.3.75
PS1 / TXD0 — 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 0 (SCI0).
1.2.3.76
PS0 / RXD0 — 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 0 (SCI0).
1.2.3.77
PT[7:6] / IOC[7:6] — Port T I/O Pins [7:6]
PT[7:6] are general-purpose input or output pins. They can be configured as input capture or output
compare pins IOC[7:6] of the enhanced capture timer (ECT).