RP2040 sram layout

the static ram is contains 6 section of ram, which is two 4KB and four 64 KB ram

RAM start at address 0x20000000

0x20040000 and 0x20041000 is a start address of 4KB area wide

and, this is section about 64KB wide ram 0x20000000 - 0x20010000 (64 kb) 0x20010000 - 0x20020000 (64 kb) 0x20020000 - 0x20030000 (64 kb) 0x20030000 - 0x20040000 (64 kb)

this is MIRROR of 64 kb region (stripped) 0x21000000 0x21010000 0x21020000 0x21030000