mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1082

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 26 4 Kbyte EEPROM Module (S12XEETX4KV2)
26.3.2.6
The ESTAT register defines the operational status of the module.
CBEIF, PVIOL, and ACCERR are readable and writable, CCIF and BLANK are readable and not writable,
remaining bits read 0 and are not writable in normal mode. FAIL is readable and writable in special mode.
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Reset
Reset
W
W
R
R
CBEIF
CBEIF
EEPROM Status Register (ESTAT)
1
1
7
7
Figure 26-10. EEPROM Status Register (ESTAT — Special Mode)
= Unimplemented or Reserved
= Unimplemented or Reserved
Figure 26-9. EEPROM Status Register (ESTAT — Normal Mode)
EPS[2:0]
CCIF
CCIF
000
001
010
011
100
101
110
111
1
1
6
6
Table 26-6. EEPROM Protection Address Range
MC9S12XDP512 Data Sheet, Rev. 2.17
PVIOL
PVIOL
0
0
5
5
Address Offset Range
0x0FC0 – 0x0FFF
0x0EC0 – 0x0FFF
0x0E80 – 0x0FFF
0x0E40 – 0x0FFF
0x0E00 – 0x0FFF
0x0F80 – 0x0FFF
0x0F40 – 0x0FFF
0x0F00 – 0x0FFF
ACCERR
ACCERR
0
0
4
4
0
0
0
0
3
3
Protected Size
128 bytes
192 bytes
256 bytes
320 bytes
384 bytes
448 bytes
512 bytes
64 bytes
BLANK
BLANK
0
0
2
2
Freescale Semiconductor
FAIL
0
0
0
1
1
0
0
0
0
0
0