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Manley Labs switch/hub Switch User Manual

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7

www.st.com/micropsd

• 8051 Architecture uses a separate address space for code and for data

• Allocate dual banks of Flash to meet Application Demands

– The Decode PLD controls where Flash memory resides

• You decide how to split the Flash memory

Flexible Memory Allocation

Flexible Memory Allocation

MAIN FLASH

MAIN FLASH

MAIN FLASH

2

nd

FLASH

2

2

nd

nd

FLASH

FLASH

DATA

DATA

DATA

CODE

CODE

CODE

Big Code

(complex

algorithms)

Big Data

(printers, big

GUI, tables)

MAIN FLASH

MAIN FLASH

MAIN FLASH

2

nd

FLASH

2

2

nd

nd

FLASH

FLASH

CODE

CODE

CODE

DATA

DATA

DATA

MAIN FLASH

MAIN FLASH

MAIN FLASH

2

nd

FLASH

2

2

nd

nd

FLASH

FLASH

CODE

CODE

CODE

CODE

CODE

CODE

All Code

(like typical

flash 8051s)

Can use

EEPROM

Emulation

-OR -

-OR -

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