Freescale Semiconductor, Inc.
Technical Data — MC68HC908AS60
Section 5. FLASH-2 Memory
5.1 Contents
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
FLASH Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
FLASH Charge Pump Frequency Control . . . . . . . . . . . . . . . .81
FLASH Erase Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
FLASH Program/Margin Read Operation. . . . . . . . . . . . . . . . .82
FLASH Block Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
FLASH Block Protect Register . . . . . . . . . . . . . . . . . . . . . . . . .86
5.10 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
5.10.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
5.10.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
5.2 Introduction
This section describes the operation of the embedded FLASH-2
memory. This memory can be read, programmed, and erased from a
single external supply. The program and erase operations are enabled
through the use of an internal charge pump.
MC68HC908AS60 — Rev. 1.0
Technical Data
FLASH-2 Memory
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