Datasheet

Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor 1165
All FDATAHI and FDATALO bits are readable but are not writable. At the completion of a data compress
operation, the resulting 16-bit signature is stored in the FDATA registers. The data compression signature
is readable in the FDATA registers until a new command write sequence is started.
28.3.2.11 RESERVED1
This register is reserved for factory testing and is not accessible.
All bits read 0 and are not writable.
28.3.2.12 RESERVED2
This register is reserved for factory testing and is not accessible.
All bits read 0 and are not writable.
28.3.2.13 RESERVED3
This register is reserved for factory testing and is not accessible.
76543210
R FDATALO
W
Reset 00000000
= Unimplemented or Reserved
Figure 28-19. Flash Data Low Register (FDATALO)
76543210
R00000000
W
Reset 00000000
= Unimplemented or Reserved
Figure 28-20. RESERVED1
76543210
R00000000
W
Reset 00000000
= Unimplemented or Reserved
Figure 28-21. RESERVED2