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Motorola MC68HC908AB32 - Section 4. FLASH Memory; Introduction; Section 5. EEPROM

Motorola MC68HC908AB32
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MC68HC908AB32Rev. 1.0 Technical Data
MOTOROLA EEPROM 69
Technical Data — MC68HC908AB32
Section 5. EEPROM
5.1 Contents
5.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
5.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
5.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
5.5 EEPROM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
5.6 EEPROM Timebase Requirements . . . . . . . . . . . . . . . . . . . . .72
5.7 EEPROM Security Options. . . . . . . . . . . . . . . . . . . . . . . . . . . .72
5.8 EEPROM Block Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . .72
5.9 EEPROM Programming and Erasing . . . . . . . . . . . . . . . . . . . .73
5.9.1 EEPROM Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
5.9.2 EEPROM Erasing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
5.10 Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
5.10.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
5.10.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
5.11 EEPROM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
5.11.1 EEPROM Control Register. . . . . . . . . . . . . . . . . . . . . . . . . .77
5.11.2 EEPROM Array Configuration Register . . . . . . . . . . . . . . . .79
5.11.2.1 EEPROM Non-Volatile Register . . . . . . . . . . . . . . . . . . .80
5.11.3 EEPROM Timebase Divider Register . . . . . . . . . . . . . . . . .80
5.11.3.1 EEPROM Timebase Divider Non-Volatile Register . . . . .82
5.2 Introduction
This section describes the 512 bytes electrically erasable programmable
read-only-memory (EEPROM).

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