Datasheet

MC68HC908LJ24/LK24 — Rev. 2.1 Data Sheet
Freescale Semiconductor FLASH Memory (FLASH) 69
Data Sheet — MC68HC908LJ24
Section 4. FLASH Memory (FLASH)
4.1 Contents
4.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.3 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
4.4 FLASH Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
4.5 FLASH Page Erase Operation . . . . . . . . . . . . . . . . . . . . . . . . .72
4.6 FLASH Mass Erase Operation . . . . . . . . . . . . . . . . . . . . . . . . .73
4.7 FLASH Program Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . .74
4.8 FLASH Block Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
4.8.1 FLASH Block Protect Register . . . . . . . . . . . . . . . . . . . . . . .77
4.2 Introduction
This section describes the operation of the 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.