Freescale Semiconductor, Inc.
EEPROM-1
Functional Description
EERA — EEPROM Redundant Array Bit
This programmable/erasable/read bit in EENVR1 and read-only bit in
EEACR1 configures the array in redundant mode. Reset loads EERA
from EENVR1 to EEACR1.
1 = EEPROM array is in redundant mode configuration.
0 = EEPROM array is in normal mode configuration.
CON2 and CON1 — MCU Configuration Bits
These read/write bits can be used to enable/disable functions within
the MCU. Reset loads CONx from EENVR1 to EEACR1.
NOTE: The EEPROM protection feature is a write-once feature. Once the
protection is enabled, it may not be disabled.
EEPRTCT — EEPROM Protection Bit
This one-time programmable bit can be used to protect 16 bytes
($8F0–$8FF) from being erased or programmed.
1 = EEPROM protection disabled
0 = EEPROM protection enabled
EEBP3–EEBP0 — EEPROM Block Protection Bits
These read/write bits select blocks of EEPROM array from being
programmed or erased. Reset loads EEBP3–EEBP0 from EENVR1
to EEACR1.
1 = EEPROM array block is protected.
0 = EEPROM array block is unprotected.
MC68HC908AS60 — Rev. 1.0
Technical Data
EEPROM-1
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