Reset Controller Module
MCF52235 ColdFire® Integrated Microcontroller Reference Manual, Rev. 6
10-3
Freescale Semiconductor
for the memory map and the following paragraphs for a description of the registers.
10.5.1
Reset Control Register (RCR)
The RCR allows software control for requesting a reset, independently asserting the external RSTO pin,
and controlling low-voltage detect (LVD) functions.
Table 10-2. Reset Controller Memory Map
IPSBAR
Offset
1
1
Addresses not assigned to a register and undefined register bits are reserved for expansion.
Register
Width
(bits)
Access
Reset Value
Section/Page
0x11_0000
Reset Control Register (RCR)
8
R/W
0x05
0x11_0001
Reset Status Register (RSR)
8
R
IPSBAR
Offset:
0x11_0000 (RCR)
Access: User read/write
7
6
5
4
3
2
1
0
R
SOFTRST
FRCRSTO
UT
0
LVDF
LVDIE
LVDRE
0
LVDE
W
Reset:
0
0
0
0
0
1
0
1
Figure 10-2. Reset Control Register (RCR)
Table 10-3. RCR Field Descriptions
Field
Description
7
SOFTRST
Allows software to request a reset. The reset caused by setting this bit clears this bit.
1 Software reset request
0 No software reset request
6
FRCRSTOUT
Allows software to assert or negate the external RSTO pin.
1 Assert RSTO pin
0 Negate RSTO pin
CAUTION: External logic driving reset configuration data during reset needs to be considered when asserting
the RSTO pin when setting FRCRSTOUT.
5
—
Reserved, should be cleared.
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:MCF52234CVM60,
MCF52235CVM60
