mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 564

• Manufacturer Part Number: mc9s12xs128
• Description: Hcs12 Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

128 KByte Flash Module (S12XFTMR128K1V1)
19.3.2
The Flash module contains a set of 20 control and status registers located between Flash module base +
0x0000 and 0x0013. A summary of the Flash module registers is given in
descriptions in the following subsections.
564
FCLKDIV
Address
& Name
0x0000
0x0001
FSEC
Register Descriptions
W
W
R
R
Writes to any Flash register must be avoided while a Flash command is
active (CCIF=0) to prevent corruption of Flash register contents and
Memory Controller behavior.
KEYEN1
FDIVLD
Figure 19-3. D-Flash and Memory Controller Resource Memory Map
7
D-Flash START = 0x10_0000
D-Flash END = 0x10_1FFF
KEYEN0
FDIV6
Figure 19-4. FTMR128K1 Register Summary
6
S12XS Family Reference Manual, Rev. 1.10
0x12_FFFF
0x12_E800
0x12_0000
0x12_1000
0x12_2000
0x12_4000
FDIV5
RNV5
5
CAUTION
FDIV4
RNV4
4
D-Flash Nonvolatile Information Register (DFIFRON)
128 bytes
Memory Controller Scratch RAM (MGRAMON)
768 bytes
D-Flash Memory
8 Kbytes
FDIV3
RNV3
3
Figure 19-4
FDIV2
RNV2
2
Freescale Semiconductor
FDIV1
SEC1
with detailed
1
FDIV0
SEC0
0