mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 105

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

3.3.2.8
This register is reserved for factory testing and is not accessible to the user.
All bits read 0 and are not writable.
3.3.2.9
EADDRHI and EADDRLO are the EEPROM address registers.
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.
Freescale Semiconductor
Reset
Reset
Reset
W
W
W
R
R
R
RESERVED3
7
0
0
EEPROM Address Register (EADDR)
7
0
0
7
0
= Unimplemented or Reserved
= Unimplemented or Reserved
Figure 3-14. EEPROM Address Low Register (EADDRLO)
Figure 3-13. EEPROM Address High Register (EADDRHI)
6
0
0
6
0
0
6
0
Table 3-9. Valid EEPROM Command List
Command
MC9S12HZ256 Data Sheet, Rev. 2.05
0x05
0x20
0x40
0x41
0x60
5
0
0
5
0
0
5
0
Figure 3-12. RESERVED3
4
0
0
4
0
0
4
0
EABLO
Word program
Sector modify
Sector erase
Erase verify
Mass erase
Meaning
3
0
0
3
0
0
3
0
Chapter 3 2 Kbyte EEPROM Module (EETS2KV1)
2
0
0
2
0
0
2
0
1
0
0
1
0
1
0
EABHI
0
0
0
0
0
0
0
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