Maxim-integrated Ultra-High-Speed Flash Microcontroller Manuel d'utilisateur télécharger pdf (Page 8)

Ultra-High-Speed Flash

Microcontroller User’s Guide

Flash Memory

On-chip program memory is implemented in flash memory. This can be programmed in-system with the standard 5V V

supply

through a serial port (in-system) using a built-in program memory loader, or by a standard flash or EPROM programmer. Full pro-

gramming details are given in Section 15.

A memory management unit (MMU) and other hardware supports any of the three programming methods. The MMU controls program

and data memory access, and provides sequencing and timing controls for programming of the on-chip program memory

. There is

also a separate security flash block that is used to support a standard three-level lock, a 64-byte encryption array, and other flash

options.

The full on-chip program memory range can be fetched by the processor automatically. Reset routines and all interrupt vectors are

located in the lower 128 bytes of the on-chip program memory area.

Maxim Integrated

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Maxim-integrated Ultra-High-Speed Flash Microcontroller Manuel d'utilisateur Page 8