Datasheet

Chapter 2 128 Kbyte Flash Module (FTS128K1V1)
MC9S12E128 Data Sheet, Rev. 1.07
Freescale Semiconductor 99
2.3.2.8 RESERVED2
This register is reserved for factory testing and is not accessible to the user.
All bits read 0 and are not writable.
2.3.2.9 Flash Address Register (FADDR)
FADDRHI and FADDRLO are the Flash address registers.
\
\
\
Table 2-14. FCMD Field Descriptions
Field Description
6, 5, 2, 0
CMDB[6:5]
CMDB[2]
CMDB[0]
Valid Flash commands are shown in Table 2-15. An attempt to execute any command other than those listed in
Table 2-15 will set the ACCERR bit in the FSTAT register (see Section 2.3.2.6).
Table 2-15. Valid Flash Command List
CMDB NVM Command
0x05 Erase verify
0x20 Word program
0x40 Sector erase
0x41 Mass erase
Module Base + 0x0007
76543210
R00000000
W
Reset 00000000
= Unimplemented or Reserved
Figure 2-12. RESERVED2
Module Base + 0x0008
76543210
R
FABHI
W
Reset 00000000
Figure 2-13. Flash Address High Register (FADDRHI)