48 KByte Flash Module (S12FTMRG48K1V1)
MC9S12G Family Reference Manual Rev.1.27
870 NXP Semiconductors
The FPROT register, described in Section 26.3.2.9, can be set to protect regions in the Flash memory from
accidental program or erase. The Flash memory addresses covered by these protectable regions are shown
in the P-Flash memory map. The higher address region is mainly targeted to hold the boot loader code
since it covers the vector space. Default protection settings as well as security information that allows the
MCU to restrict access to the Flash module are stored in the Flash configuration field as described in
Table 26-4.
Table 26-3. P-Flash Memory Addressing
Global Address
Size
(Bytes)
Description
0x3_4000 – 0x3_FFFF 48 K
P-Flash Block
Contains Flash Configuration Field
(see Table 26-4).
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