EEPROM
Technical Data MC68HC908AB32 — Rev. 1.0
78 EEPROM MOTOROLA
EEOFF — EEPROM Power-Off
This read/write bit disables the EEPROM module for lower power
consumption. Any attempts to access the array will give unpredictable
results. Reset clears this bit.
1 = Disable EEPROM array
0 = Enable EEPROM array
EERAS[1:0] — Erase/Program Mode Select Bits
These read/write bits set the erase modes. Reset clears these bits.
EELAT — EEPROM Latch Control
This read/write bit latches the address and data buses for
programming the EEPROM array. EELAT can not be cleared if
EEPGM is still set. Reset clears this bit.
1 = Buses configured for EEPROM program or erase operation
0 = Buses configured for normal operation
AUTO — Automatic termination of program/erase cycle
When AUTO is set, EEPGM is cleared automatically after the
program/erase cycle is terminated by the internal timer.
(See note D for 5.9.1 EEPROM Programming and 5.9.2 EEPROM
Erasing.)
0 = Automatic clear of EEPGM is disabled
1 = Automatic clear of EEPGM is enabled
Table 5-2. EEPROM Program/Erase Mode Select
EEBPx EERAS1 EERAS0 Mode
0 0 0 Byte Program
0 0 1 Byte Erase
0 1 0 Block Erase
0 1 1 Bulk Erase
1 X X No Erase/Program
X = don’t care
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