Maxim-integrated MAX31782 Manual do Utilizador descarregar pdf (Página 13)

Maxim Integrated 2-9

MAX31782 User’s Guide

Revision 0; 8/11

Figure 2-3. Memory Map When Executing from Flash Memory

2.4.4.1 Memory Map When Executing from Flash Memory

When executing from the flash memory:

• Read and write operations of SRAM memory are executed normally.

• The utility ROM can be read as data, starting at 8000h of the data space. The utility ROM cannot be written.

Figure 2-3 illustrates the mapping of the SRAM and utility ROM memory segments into data memory space when code

is executing from the flash memory segment.

PROGRAM

SPACE

DATA SPACE

(BYTE MODE)

DATA SPACE

(WORD MODE)

FFFFh FFFFh FFFFh

8FFFh

9FFFh

A3FFh

8FFFh

7FFFh 7FFFh

07FFh

3FFFh

EXECUTING FROM

8000h 8000h

7FFFh

03FFh

8000h

4000h

0000h 0000h 0000h

A000h

1K x 16

SRAM

4K x 16

UTILITY ROM

8K x 8

UTILITY ROM

4K x 16

UTILITY ROM

2K x 8

SRAM

1K x 16

SRAM

16K x 16

FLASH

(PAGE 1)

16K x 16

FLASH

(PAGE 0)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 222 223

MAX31782 User’s Guide 1

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