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