Chapter 2 Port Integration Module (S12XEP100PIMV1)
MC9S12XE-Family Reference Manual , Rev. 1.19
Freescale Semiconductor
177
2.3.106 Port F Polarity Select Register (PPSF)
2.3.107 PIM Reserved Register
2.3.108 Port F Routing Register (PTFRR)
Address 0x037D
Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
PPSF7
PPSF6
PPSF5
PPSF4
PPSF3
PPSF2
PPSF1
PPSF0
W
Reset
0
0
0
0
0
0
0
0
Figure 2-104. Port F Polarity Select Register (PPSF)
Table 2-101. PPSF Register Field Descriptions
Field
Description
7-0
PPSF
Port F pull device select
—Determine pull device polarity on input pins
This register selects whether a pull-down or a pull-up device is connected to the pin.
1 A pull-down device is connected to the associated pin, if enabled and if the pin is used as input.
0 A pull-up device is connected to the associated pin, if enabled and if the pin is used as input.
Address 0x037E
Access: User read
(1)
1. Read: Always reads 0x00
Write: Unimplemented
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 2-105. PIM Reserved Register
Address 0x037F
Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
0
0
PTFRR5
PTFRR4
PTFRR3
PTFRR2
PTFRR1
PTFRR0
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 2-106. Port F Routing Register (PTFRR)
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