Manley Labs switch/hub - Manual (Page 7)

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 -