Datasheet

16 KByte Flash Module (S12FTMRG16K1V1)
MC9S12G Family Reference Manual, Rev.1.23
786 Freescale Semiconductor
Figure 24-3. Memory Controller Resource Memory Map (NVMRES=1)
24.3.2 Register Descriptions
The Flash module contains a set of 20 control and status registers located between Flash module base +
0x0000 and 0x0013.
In the case of the writable registers, the write accesses are forbidden during Fash command execution (for
more detail, see Caution note in Section 24.3).
A summary of the Flash module registers is given in Figure 24-4 with detailed descriptions in the
following subsections.
Address
& Name
76543210
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
R0 0 0 0 0
CCOBIX2 CCOBIX1 CCOBIX0
W
Figure 24-4. FTMRG16K1 Register Summary
P-Flash IFR 1 Kbyte (NVMRES=1)
0x0_4000
RAM End = 0x0_59FF
RAM Start = 0x0_5800
Reserved 5120 bytes
Reserved 4608 bytes
0x0_6C00
0x0_7FFF
0x0_4400
Reserved 5k bytes
Reserved 512 bytes