512 Kbyte Flash Module (S12XFTX512K4V2)
BookTitle, Rev. 2.4
106 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 2-2 while theiraccessibility is detailed in Section 2.3.2, “Register Descriptions”.

Table 2-2. 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 Configuration 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)1R
0x0009 Flash Low Address Register (FADDRLO)1R
0x000A Flash High Data Register (FDATAHI) R
0x000B Flash Low Data Register (FDATALO) R
0x000C RESERVED11R
0x000D RESERVED21R
0x000E RESERVED31R
0x000F RESERVED41
1 Intended for factory test purposes only.
R