
Chapter 26 4 Kbyte EEPROM Module (S12XEETX4KV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
1082
Freescale Semiconductor
26.3.2.6
EEPROM Status Register (ESTAT)
The ESTAT register denes 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.
Table 26-6. EEPROM Protection Address Range
EPS[2:0]
Address Offset Range
Protected Size
000
0x0FC0 – 0x0FFF
64 bytes
001
0x0F80 – 0x0FFF
128 bytes
010
0x0F40 – 0x0FFF
192 bytes
011
0x0F00 – 0x0FFF
256 bytes
100
0x0EC0 – 0x0FFF
320 bytes
101
0x0E80 – 0x0FFF
384 bytes
110
0x0E40 – 0x0FFF
448 bytes
111
0x0E00 – 0x0FFF
512 bytes
76543210
R
CBEIF
CCIF
PVIOL
ACCERR
0
BLANK
0
W
Reset
11000000
= Unimplemented or Reserved
Figure 26-9. EEPROM Status Register (ESTAT — Normal Mode)
76543210
R
CBEIF
CCIF
PVIOL
ACCERR
0
BLANK
FAIL
0
W
Reset
11000000
= Unimplemented or Reserved
Figure 26-10. EEPROM Status Register (ESTAT — Special Mode)