MC9S12XD256CAL Datasheet, PDF (1110/1348 Pages) Freescale Semiconductor, Inc – This specification describes the function of the clocks and reset generator (CRG).

Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
The Flash module also 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 Table 27-2 while their
accessibility is detailed in Section 27.3.2, “Register Descriptions”.
Table 27-2. Flash Register Map
Module
Base +
Register Name
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
0x0008
0x0009
0x000A
0x000B
0x000C
0x000D
0x000E
0x000F
Flash Clock Divider Register (FCLKDIV)
Flash Security Register (FSEC)
Flash Test Mode Register (FTSTMOD)
Flash Configuration Register (FCNFG)
Flash Protection Register (FPROT)
Flash Status Register (FSTAT)
Flash Command Register (FCMD)
Flash Control Register (FCTL)
Flash High Address Register (FADDRHI)¹
Flash Low Address Register (FADDRLO)¹
Flash High Data Register (FDATAHI)
Flash Low Data Register (FDATALO)
RESERVED1¹
RESERVED2¹
RESERVED3¹
RESERVED4¹
1 Intended for factory test purposes only.
Normal Mode
Access
R/W
R
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
1112
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor