MC68HC908MR8 Datasheet, PDF (55/372 Pages) Motorola, Inc – Microcontrollers

Technical Data — MC68HC908MR8
Section 4. FLASH Memory
4.1 Contents
4.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
4.2.1 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . .56
4.2.2 FLASH Control Register . . . . . . . . . . . . . . . . . . . . . . . . . .57
4.2.3 FLASH Page Erase Operation . . . . . . . . . . . . . . . . . . . . . .58
4.2.4 FLASH Mass Erase Operation. . . . . . . . . . . . . . . . . . . . . .59
4.2.5 FLASH Program/Read Operation . . . . . . . . . . . . . . . . . . .59
4.3 FLASH Programming Algorithm . . . . . . . . . . . . . . . . . . . . . .60
4.3.1 FLASH Block Protection . . . . . . . . . . . . . . . . . . . . . . . . . .62
4.3.2 FLASH Block Protect Register . . . . . . . . . . . . . . . . . . . . .63
4.3.3 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
4.2 Introduction
This section describes the operation of the MC68HC908MR8 embedded
FLASH 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.
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
FLASH Memory
Technical Data
55