ColdFire Flash Module (CFM)
MCF52235 ColdFire® Integrated Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor
17-7
17.3.3
Register Descriptions
17.3.3.1
CFMMCR — CFM Module Configuration Register
The CFMMCR register is used to configure and control the operation of the internal bus interface.
CFMMCR register bits [10:5] are readable and writable with restrictions, while the remaining bits read 0
and are not writable.
1
Access to reserved address locations generate a cycle termination transfer error.
IPSBAR
Offset: 0x1D_0000 (
CFMMCR
)
Access: User read/write
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
0
0
0
0
LOCK PVIE
AEIE
CBEI
E
CCIE KEYA
CC
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 17-4. CFM Module Configuration Register (CFMMCR)
Table 17-4. CFMMCR Field Descriptions
Field
Description
15-11
Reserved, reads as 0
10
LOCK
Write lock control. The LOCK bit is always readable and is set once.
1 = CFMPROT, CMFSACC, and CFMDACC registers are write-locked.
0 = CFMPROT, CMFSACC, and CFMDACC registers are writable.
9
PVIE
Protection violation interrupt enable
The PVIE bit is always readable and writable. The PVIE bit enables an interrupt in case the protection
violation flag, PVIOL in the CFMUSTAT register, is set.
1 = An interrupt is requested when the PVIOL flag is set.
0 = PVIOL interrupt disabled.
8
AEIE
Access error interrupt enable
The AEIE bit is always readable and writable. The AEIE bit enables an interrupt in case the access error
flag, ACCERR in the CFMUSTAT register, is set.
1 = An interrupt is requested when the ACCERR flag is set.
0 = ACCERR interrupt disabled.
7
CBEIE
Command buffer empty interrupt enable
The CBEIE bit is always readable and writable. The CBEIE bit enables an interrupt in case the command
buffer empty flag, CBEIF in the CFMUSTAT register, is set.
1 = An interrupt is requested when the CBEIF flag is set.
0 = CBEIF interrupt disabled.
6
CCIE
Command complete interrupt enable
The CCIE bit is always readable and writable. The CCIE bit enables an interrupt in case the command
completion flag, CCIF in the CFMUSTAT register, is set.
1 = An interrupt is requested when the CCIF flag is set.
0 = CCIF interrupt disabled.
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
