MC68HC08AZ32A Datasheet, PDF (71/456 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
EEPROM
EEPROM Register Descriptions
Table 5-4. EEPROM Block Protect and Security Summary
Address Range EEBPx
EEPRTCT = 1
EEPRTCT = 0
$0980 - $09FF
EEBP3 = 0
Byte Programming
Available
Bulk, Block and Byte
Available
Byte Programming
Available
Only Byte Erasing
Available
EEBP3 = 1
Protected
Protected
5.6.3 EEPROM Nonvolatile Register
The contents of this register is loaded into the EEPROM array
configuration register (EEACR) after a reset.
This register is erased and programmed in the same way as an
EEPROM byte. (See EEPROM Control Register on page 67 for
individual bit descriptions).
Address: $FE1C
Bit 7
6
5
4
3
2
1
Bit 0
Read:
UNUSED UNUSED UNUSED EEPRTCT EEBP3
Write:
EEBP2
EEBP1
EEBP0
Reset:
PV
= Unimplemented
PV = Programmed value or 1 in the erased state.
Figure 5-4. EEPROM Nonvolatile Register (EENVR)
NOTE: The EENVR will leave the factory programmed with $F0 such that the full
array is available and unprotected.
MC68HC08AZ32A — Rev 1.0
MOTOROLA
EEPROM
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Technical Data
71