Datasheet

Chapter 18 32 Kbyte Flash Module (S12FTS32KV1)
508 MC9S12C-Family / MC9S12GC-Family Freescale Semiconductor
Rev 01.24
18.3.2 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 18-3. 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.
R00000000
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
RESERVED2
1
R00000000
W
0x0008
FADDRHI
1
R 0 0
FABHI
W
0x0009
FADDRLO
1
R
FABLO
W
0x000A
FDATAHI
1
R
FDHI
W
0x000B
FDATALO
1
R
FDLO
W
0x000C
RESERVED3
1
R00000000
W
0x000D
RESERVED4
1
R00000000
W
0x000E
RESERVED5
1
R00000000
W
0x000F
RESERVED6
1
R00000000
W
= Unimplemented or Reserved
Figure 18-3. Flash Register Summary