
Chapter 29 128 Kbyte Flash Module (S12XFTX128K1V1)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
1195
29.3.2
Register Descriptions
The Flash module contains a set of 16 control and status registers located between module base + 0x0000
and 0x000F. A summary of the Flash module registers is given in
Figure 29-3. Detailed descriptions of
each register bit are provided.
Register
Name
Bit 7
654321
Bit 0
FCLKDIV
R
FDIVLD
PRDIV8
FDIV5
FDIV4
FDIV3
FDIV2
FDIV1
FDIV0
W
FSEC
R
KEYEN
RNV5
RNV4
RNV3
RNV2
SEC
W
FTSTMOD
R
0
MRDS
00000
W
FCNFG
R
CBEIE
CCIE
KEYACC
00000
W
FPROT
R
FPOPEN
RNV6
FPHDIS
FPHS
FPLDIS
FPLS
W
FSTAT
R
CBEIF
CCIF
PVIOL
ACCERR
0
BLANK
0
W
FCMD
R
0
CMDB
W
FCTL
R
0
NV6
NV5
NV4
NV3
NV2
NV1
NV0
W
FADDRHI
R
FADDRHI
W
FADDRLO
R
FADDRLO
W
FDATAHI
R
FDATAHI
W
FDATALO
R
FDATALO
W
Figure 29-3. FTX128K1 Register Summary