
Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
MC9S12XDP512 Data Sheet, Rev. 2.17
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
accessibility is detailed in
Section 27.3.2, “Register Descriptions”
.
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 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)
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
RESERVED1
1
R
0x000D
RESERVED2
1
R
0x000E
RESERVED3
1
R
0x000F
RESERVED4
1
1 Intended for factory test purposes only.
R