MC9S12XD256MAL Datasheet, PDF (977/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Table 24-1. Pin Functions and Priorities (Sheet 2 of 5)
Port
S
Pin Name
Pin Function
and Priority
SS0
PS7
GPIO
SCK0
PS6
GPIO
MOSI0
PS5
GPIO
MISO0
PS4
GPIO
TXD1
PS3
GPIO
RXD1
PS2
GPIO
TXD0
PS1
GPIO
RXD0
PS0
GPIO
I/O
Description
I/O
Serial Peripheral Interface 0 slave select output in master
mode, input in slave mode or master mode.
I/O General-purpose I/O
I/O Serial Peripheral Interface 0 serial clock pin
I/O General-purpose I/O
I/O Serial Peripheral Interface 0 master out/slave in pin
I/O General-purpose I/O
I/O Serial Peripheral Interface 0 master in/slave out pin
I/O General-purpose I/O
O Serial Communication Interface 1 transmit pin
I/O General-purpose I/O
I Serial Communication Interface 1 receive pin
I/O General-purpose I/O
O Serial Communication Interface 0 transmit pin
I/O General-purpose I/O
I Serial Communication Interface 0 receive pin
I/O General-purpose I/O
Pin Function
after Reset
GPIO