Chapter 21 64 KB Flash Module (S12ZFTMRZ64K2KV2)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
695
Figure 21-3. Memory Controller Resource Memory Map (NVM Resources Area)
21.3.2
Register Descriptions
The Flash module contains a set of 24 control and status registers located between Flash module base +
0x0000 and 0x0017.
In the case of the writable registers, the write accesses are forbidden during Flash command execution (for
more detail, see Caution note in
).
A summary of the Flash module registers is given in
with detailed descriptions in the
following subsections.
Address
& Name
7
6
5
4
3
2
1
0
0x0000
FCLKDIV
R
FDIVLD
FDIVLCK
FDIV5
FDIV4
FDIV3
FDIV2
FDIV1
FDIV0
W
0x0001
FSEC
R
KEYEN1
KEYEN0
RNV5
RNV4
RNV3
RNV2
SEC1
SEC0
W
0x0002
FCCOBIX
R
0
0
0
0
0
CCOBIX2
CCOBIX1
CCOBIX0
W
Figure 21-4. FTMRZ64K2K Register Summary
P-Flash IFR 256 bytes
0x1F_C000
0x1F_41FF
0x1F_4000
Reserved 6 KB
Reserved 15872 bytes
0x1F_8000
0x1F_97FF
0x1F_C100
Reserved 16,128 bytes
Reserved 512 bytes
Reserved 10 KB