Chapter 2 Port Integration Module (S12XEP100PIMV1)
MC9S12XE-Family Reference Manual , Rev. 1.19
162
Freescale Semiconductor
2.3.81
Port AD1 Reduced Drive Register 0 (RDR0AD1)
2.3.82
Port AD1 Reduced Drive Register 1 (RDR1AD1)
Address 0x027C
Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
RDR0AD17
RDR0AD16
RDR0AD15
RDR0AD14
RDR0AD13
RDR0AD12
RDR0AD11
RDR0AD10
W
Reset
0
0
0
0
0
0
0
0
Figure 2-79. Port AD1 Reduced Drive Register 0 (RDR0AD1)
Table 2-77. RDR0AD1 Register Field Descriptions
Field
Description
7-0
RDR0AD1
Port AD1 reduced drive
—Select reduced drive for Port AD1 outputs
This register configures the drive strength of Port AD1 output pins 15 through 8 as either full or reduce. If a pin is
used as input this bit has no effect.
1 Reduced drive selected (approx. 1/5 of the full drive strength).
0 Full drive strength enabled.
Address 0x027D
Access: User read/write
(1)
1. Read: Anytime.
Write: Anytime.
7
6
5
4
3
2
1
0
R
RDR1AD17
RDR1AD16
RDR1AD15
RDR1AD14
RDR1AD13
RDR1AD12
RDR1AD11
RDR1AD10
W
Reset
0
0
0
0
0
0
0
0
Figure 2-80. Port AD1 Reduced Drive Register 1 (RDR1AD1)
Table 2-78. RDR1AD1 Register Field Descriptions
Field
Description
7-0
RDR1AD1
Port AD1 reduced drive
—Select reduced drive for Port AD1 outputs
This register configures the drive strength of Port AD1 output pins 7 through 0 as either full or reduced. If a pin is
used as input this bit has no effect.
1 Reduced drive selected (approx. 1/5 of the full drive strength).
0 Full drive strength enabled.
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