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MC68HC08AZ60 Datasheet, PDF (63/452 Pages) Motorola, Inc – Advance Information
Freescale Semiconductor, Inc.
EEPROM-2
Functional Description
EEPROM Array
Configuration
Register
The EEPROM array configration register (EEACR2) is shown in Figure
3.
Address: $FE1B
Bit 7
6
5
4
3
2
1
Bit 0
Read: EERA CON2 CON1 EEPRTCT EEBP3 EEBP2 EEBP1 EEBP0
Write:
Reset:
EENVR
= Unimplemented
Figure 3. EEPROM-2 Array Control Register (EEACR2)
EERA — EEPROM Redundant Array
This bit is reserved for future use and should always be equal to 0.
CONx — MCU Configuration Bits
These read/write bits can be used to enable/disable functions within
the MCU. Reset loads CONx from EENVR2 to EEACR2.
CON2 — Unused
CON1— Unused
NOTE: This feature is a write-once feature. Once the protection is enabled it
may not be disabled.
EEPRTCT — EEPROM Protection
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 EEBP[3:0] from EENVR2 to
EEACR2.
1 = EEPROM array block is protected
0 = EEPROM array block is unprotected
11-eeprom-2
MOTOROLA
MC68HC08AZ60 — Rev 1.0
EEPROM-2
63
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