Chapter 2 Port Integration Module (S12XEP100PIMV1)
MC9S12XE-Family Reference Manual , Rev. 1.19
98
Freescale Semiconductor
2.3
Memory Map and Register Definition
This section provides a detailed description of all Port Integration Module registers.
L
PL7
(TXD7)
O
Serial Communication Interface 7 transmit pin
GPIO
GPIO
I/O General-purpose I/O
PL6
(RXD7)
I
Serial Communication Interface 7 receive pin
GPIO
I/O General-purpose I/O
PL5
(TXD6)
O
Serial Communication Interface 6 transmit pin
GPIO
I/O General-purpose I/O
PL4
(RXD6)
I
Serial Communication Interface 6 receive pin
GPIO
I/O General-purpose I/O
PL3
(TXD5)
O
Serial Communication Interface 5 transmit pin
GPIO
I/O General-purpose I/O
PL2
(RXD5)
I
Serial Communication Interface 5 receive pin
GPIO
I/O General-purpose I/O
PL1
(TXD4)
O
Serial Communication Interface 4 transmit pin
GPIO
I/O General-purpose I/O
PL0
(RXD4)
I
Serial Communication Interface 4 receive pin
GPIO
I/O General-purpose I/O
F
PF7
(TXD3)
O
Serial Communication Interface 3 transmit pin
GPIO
GPIO
I/O General-purpose I/O
PF6
(RXD3)
I
Serial Communication Interface 3 receive pin
GPIO
I/O General-purpose I/O
PF5
(SCL0)
O
Inter Integrated Circuit 0 serial clock line
GPIO
I/O General-purpose I/O
PF4
(SDA0)
I/O Inter Integrated Circuit 0 serial data line
GPIO
I/O General-purpose I/O
PF3
(CS3)
O
Chip select 3
GPIO
I/O General-purpose I/O
PF2
(CS2)
O
Chip select 2
GPIO
I/O General-purpose I/O
PF1
(CS1)
O
Chip select 1
GPIO
I/O General-purpose I/O
PF0
(CS0)
O
Chip select 0
GPIO
I/O General-purpose I/O
1. Signals in brackets denote alternative module routing pins.
2. Function active when RESET asserted.
3. Only available in emulation modes or in Special Test Mode with IVIS on.
4. Refer to S12X_EBI section.
Port
Pin Name
Pin Function
& Priority
(1)
I/O
Description
Pin Function
after Reset
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages