Cfm Registers; Register Descriptions; Cfm Module Configuration Register (Cfmcr); Cfm Register Address Map - Motorola ColdFire MCF5281 User Manual

Motorola microcontroller user's manual
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Memory Map
6.3.3

CFM Registers

The CFM module also contains a set of control and status registers. The memory map for
these registers and their accessibility in supervisor and user modes is shown in Table 6-3.
IPSBAR Offset
0x1D_0000
0x1D_0004
0x1D_0008
0x1D_000C
0x1D_0010
0x1D_0014
0x1D_0018
0x1D_001C
0x1D_0020
0x1D_0024
1
S = Supervisor access only. User mode accesses to supervisor only addresses have no effect and result in a cycle
termination transfer error.
2
Addresses not assigned to a register and undefined register bits are reserved for expansion. Write accesses to these reserved
address spaces and reserved register bits have no effect.
6.3.4

Register Descriptions

The Flash registers are described in this subsection.
6.3.4.1
CFM Configuration Register (CFMCR)
The CFMCR is used to configure and control the operation of the CFM array.
15
Field
Reset
R/W
Address
Figure 6-4. CFM Module Configuration Register (CFMCR)
Bits 10 -5 in the CFMCR register are readable and writable with restrictions.
6-8
Table 6-3. CFM Register Address Map
Bits 31–24
Bits 23–16
CFMMCR
CFMUSTAT
CFMCMD
11
10
9
LOCK PVIE AEIE CBEIE CCIE KEYACC
0000_0000_0000_0000
IPSBAR + 0x1D_0000
MCF5282 User's Manual
Bits 15–8
CFMCLKD
2
Reserved
CFMSEC
2
Reserved
CFMPROT
CFMSACC
CFMDACC
2
Reserved
2
Reserved
2
Reserved
8
7
6
5
R/W
1
Bits 7–0
Access
2
Reserved
S
S
S
S
S
S
S
S
S
S
4
MOTOROLA
0

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