Chapter 2 Port Integration Module (S12XEP100PIMV1)
MC9S12XE-Family Reference Manual , Rev. 1.19
136
Freescale Semiconductor
2.3.44
Module Routing Register (MODRR)
This register configures the re-routing of CAN0, CAN4, SPI0, SPI1, and SPI2 on alternative ports.
Address 0x0257
Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
0
MODRR6
MODRR5
MODRR4
MODRR3
MODRR2
MODRR1
MODRR0
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 2-42. Module Routing Register (MODRR)
Table 2-40. Module Routing Summary
Module
MODRR
Related Pins
6
5
4
3
2
1
0
RXCAN
TXCAN
CAN0
x
x
x
x
x
0
0
PM0
PM1
x
x
x
x
x
0
1
PM2
PM3
x
x
x
x
x
1
0
PM4
PM5
x
x
x
x
x
1
1
PJ6
PJ7
CAN4
x
x
x
0
0
x
x
PJ6
PJ7
x
x
x
0
1
x
x
PM4
PM5
x
x
x
1
0
x
x
PM6
PM7
x
x
x
1
1
x
x
Reserved
MISO
MOSI
SCK
SS
SPI0
x
x
0
x
x
x
x
PS4
PS5
PS6
PS7
x
x
1
x
x
x
x
PM2
PM4
PM5
PM3
SPI1
x
0
x
x
x
x
x
PP0
PP1
PP2
PP3
x
1
x
x
x
x
x
PH0
PH1
PH2
PH3
SPI2
0
x
x
x
x
x
x
PP4
PP5
PP7
PP6
1
x
x
x
x
x
x
PH4
PH5
PH6
PH7
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