MC9S12HZ256 Datasheet, PDF (105/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 3 2 Kbyte EEPROM Module (EETS2KV1)
Table 3-9. Valid EEPROM Command List
Command
0x05
0x20
0x40
0x41
0x60
Meaning
Erase verify
Word program
Sector erase
Mass erase
Sector modify
3.3.2.8 RESERVED3
This register is reserved for factory testing and is not accessible to the user.
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 3-12. RESERVED3
All bits read 0 and are not writable.
3.3.2.9 EEPROM Address Register (EADDR)
EADDRHI and EADDRLO are the EEPROM address registers.
7
6
5
4
3
2
R
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 3-13. EEPROM Address High Register (EADDRHI)
1
0
EABHI
0
0
7
6
5
4
3
2
1
0
R
EABLO
W
Reset
0
0
0
0
0
0
0
0
Figure 3-14. EEPROM Address Low Register (EADDRLO)
In normal modes, all EADDRHI and EADDRLO bits read 0 and are not writable.
In special modes, all EADDRHI and EADDRLO bits are readable and writable except EADDRHI[7:2]
which are not writable and always read 0.
MC9S12HZ256 Data Sheet, Rev. 2.04
Freescale Semiconductor
105