
Chapter 21 128 Kbyte Flash Module (S12FTS128K1V1)
618
MC9S12C-Family / MC9S12GC-Family
Freescale Semiconductor
Rev 01.24
21.3.2
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 21-3. Detailed descriptions of
each register bit are provided.
Register
Name
Bit 7
6
5
4
3
2
1
Bit 0
0x0000
FCLKDIV
R
FDIVLD
PRDIV8
FDIV5
FDIV4
FDIV3
FDIV2
FDIV1
FDIV0
W
0x0001
FSEC
R
KEYEN1
KEYEN0
NV5
NV4
NV3
NV2
SEC1
SEC0
W
0x0002
RESERVED1
(1)
1. Intended for factory test purposes only.
R
0
0000000
W
0x0003
FCNFG
R
CBEIE
CCIE
KEYACC
00000
W
0x0004
FPROT
R
FPOPEN
NV6
FPHDIS
FPHS1
FPHS0
FPLDIS
FPLS1
FPLS0
W
0x0005
FSTAT
R
CBEIF
CCIF
PVIOL
ACCERR
0
BLANK
FAIL
DONE
W
0x0006
FCMD
R0
CMDB6
CMDB5
00
CMDB2
0
CMDB0
W
0x0007
RESERVED21
R
0
0000000
W
0x0008
FADDRHI1
R
FABHI
W
0x0009
FADDRLO1
R
FABLO
W
0x000A
FDATAHI1
R
FDHI
W
0x000B
FDATALO1
R
FDLO
W
0x000C
RESERVED31
R
0
0000000
W
0x000D
RESERVED41
R
0
0000000
W
0x000E
RESERVED51
R
0
0000000
W
0x000F
RESERVED61
R
0
0000000
W
= Unimplemented or Reserved
Figure 21-3. Flash Register Summary