S912XHZ512F1VAG Datasheet, PDF (136/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 3 512 Kbyte Flash Module (S12XFTX512K4V3)
3.3.2 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 3-3. Detailed descriptions of each
register bit are provided.
Register
Name
0x0000
FCLKDIV
Bit 7
R FDIVLD
W
6
PRDIV8
5
FDIV5
4
FDIV4
3
FDIV3
2
FDIV2
1
FDIV1
Bit 0
FDIV0
0x0001
R
FSEC
W
KEYEN
RNV5
RNV4
RNV3
RNV2
SEC
0x0002
R
0
FTSTMOD _W
MRDS
0
0
0
0
0
0x0003
R
0
0
0
0
0
FCNFG
CBEIE
W
CCIE
KEYACC
0x0004
FPROT
R
FPOPEN
W
RNV6
FPHDIS
FPHS
FPLDIS
FPLS
0x0005
R
CCIF
0
BLANK
0
0
FSTAT
CBEIF
W
PVIOL ACCERR
0x0006
R
0
FCMD
W
CMDB
0x0007
R
0
FCTL
W
NV6
NV5
NV4
NV3
NV2
NV1
NV0
0x0008
R
FADDRHI
W
FADDRHI
0x0009
R
FADDRLO _W
FADDRLO
0x000A R
FDATAHI
W
FDATAHI
0x000B R
FDATALO _W
FDATALO
Figure 3-3. FTX512K4 Register Summary
MC9S12XHZ512 Data Sheet, Rev. 1.06
136
Freescale Semiconductor