MC9S12E256 Datasheet, PDF (126/602 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 3 Port Integration Module (PIM9E256V1)
Table 3-1. Detailed Signal Descriptions (Sheet 6 of 7)
Port
Port S
Port T
Pin
Name
Pin Function
PS7 SS
GPIO
PS6 SCK
GPIO
PS5 MOSI
GPIO
PS4 MISO
GPIO
PS3 TXD0
GPIO
PS2 RXD0
GPIO
PS1 TXD0
GPIO
PS0 RXD0
GPIO
PT7 IOC7
GPIO
PT6 IOC6
GPIO
PT5 IOC5
GPIO
PT4 IOC4
GPIO
PT3 IOC3
GPIO
PT2 IOC2
GPIO
PT1 IOC1
GPIO
PT0 IOC0
GPIO
Description
Serial peripheral interface slave select input/output in
master mode, input in slave mode
General-purpose I/O
Serial peripheral interface serial clock pin
General-purpose I/O
Serial peripheral interface master out/slave in pin
General-purpose I/O
Serial peripheral interface master in/slave out pin
General-purpose I/O
Serial communication interface 1 transmit pin
General-purpose I/O
Serial communication interface 1 receive pin
General-purpose I/O
Serial communication interface 0 transmit pin
General-purpose I/O
Serial communication interface 0 receive pin
General-purpose I/O
Timer 1 channel 7
General-purpose I/O
Timer 1 channel 6
General-purpose I/O
Timer 1 channel 5
General-purpose I/O
Timer 1 channel 4
General-purpose I/O
Timer 0 channel 7
General-purpose I/O
Timer 0 channel 6
General-purpose I/O
Timer 0 channel 5
General-purpose I/O
Timer 0 channel 4
General-purpose I/O
Pin Function
after Reset
GPIO
GPIO
MC9S12E256 Data Sheet, Rev. 1.08
126
Freescale Semiconductor