Nano 3G/Memory Map

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Address Description Notes
0xFFFF_FFFF - 0x4000_0000
0x3FFF_FFFF - 0x3800_0000 I/O Area See table below
0x37FF_FFFF - 0x2204_0000
0x2203_FFFF - 0x2200_0000 On-chip SRAM Always accessible
0x21FF_FFFF - 0x2000_C800
0x2000_C7FF - 0x2000_0000 Boot ROM Executed by processor at start up
0x1FFF_FFFF - 0x0C00_0000
0x0BFF_FFFF - 0x0A00_0000 SDRAM Mirror 2 Same contents as mirror 1
0x09FF_FFFF - 0x0800_0000 SDRAM Mirror 1 Needs initialization
0x07FF_FFFF - 0x0000_0000

IO Map

Address Description Notes
0x3C80_0000
0x3C80_0004
WDTCON
WDTCNT
Watchdog timer[1]
0x38E0_0000 - 0x38E0_1000
0x38E0_1000 - 0x38E0_2000
VIC0 Base
VIC1 Base
Vectored Interrupt Controller[2]
  1. See S5L8700 datasheet
  2. Cite error: Invalid <ref> tag; no text was provided for refs named vic_ds