Memory Layout

Programming Space

Start Address

Size

Cache Support

IP Function

0x0000_0000

32 KB

ITCM ROM

0x0001_0000

128 KB

ITCM RAM

Data Space

Start Address

Size

Cache Support

IP Function

0x2000_0000

16 KB

DTCM RAM

0x2001_0000

80 KB

DTCM ROM

Extension Memory Space

Name

Physical Address

Size

IP Function

Flash

0x0800_0000~0x0FFF_FFFF

128 MB

External flash memory

DRAM

0x0700_0000~0x7FFF_FFFF

128 MB

Extended DRAM memory

Note

The external flash memory address base is from 0x0800_0000 to 0x0FFF_FFFF

Note

The extended DRAM address base is from 0x7000_0000 to 0x7FFF_FFFF

Note

Both of flash and DRAM access are cacheable design

SRAM Retention

Start Address

Size

Cache Support

IP Function

0x2012_0000

128 KB

SRAM