Datasheet

EEPROM Memory
Technical Data MC68HC912D60A — Rev. 3.1
112 EEPROM Memory Freescale Semiconductor
Prevents accidental writes to EEPROM. Read anytime. Write anytime if
EEPGM = 0 and PROTLCK = 0.
SHPROT — SHADOW Word Protection
0 = The SHADOW word can be programmed and erased.
1 = The SHADOW word is protected from being programmed and
erased.
BPROT[4:0] — EEPROM Block Protection
0 = Associated EEPROM block can be programmed and erased.
1 = Associated EEPROM block is protected from being
programmed and erased.
EEPROT — EEPROM Block Protect $00F1
Bit 7654321Bit 0
SHPROT 1 1 BPROT4 BPROT3 BPROT2 BPROT1 BPROT0
RESET: 11111111
Table 8-2. 1K byte EEPROM Block Protection
Bit Name Block Protected Block Size
BPROT4 $0C00 to $0DFF 512 Bytes
BPROT3 $0E00 to $0EFF 256 Bytes
BPROT2 $0F00 to $0F7F 128 Bytes
BPROT1 $0F80 to $0FBF 64 Bytes
BPROT0 $0FC0 to $0FFF 64 Bytes