XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 121

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

7.6.2 EEPROM-2 Array Configuration Register
MC68HC908AZ60A — Rev 2.0
MOTOROLA
NOTE:
Address:
Writing logic 0s to both the EELAT and EEPGM bits with a single
instruction will clear EEPGM only to allow time for the removal of high
voltage.
The EEPROM-2 array configuration register configures EEPROM-2
security and EEPROM-2 block protection.
This read-only register is loaded with the contents of the EEPROM-2
non-volatile register (EE2NVR) after a reset.
Bit 7:5 — Unused Bits
EEPRTCT — EEPROM-2 Protection Bit
This feature is a write-once feature. Once the protection is enabled it
may not be disabled.
Reset:
Read: UNUSED UNUSED UNUSED EEPRTCT
Write:
Figure 7-3. EEPROM-2 Array Configuration Register (EE2ACR)
These read/write bits are software programmable but have no
functionality.
The EEPRTCT bit is used to enable the security feature in the
EEPROM (see
1 = EEPROM-2 security disabled
0 = EEPROM-2 security enabled
$FF7F
Bit 7
EEPROM-2 Memory
6
EEPROM-2 Program/Erase
5
Contents of EE2NVR ($FF7C)
4
EEBP3
3
EEPROM-2 Register Descriptions
Protection).
EEBP2
2
EEPROM-2 Memory
EEBP1
1
Technical Data
EEBP0
Bit 0
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