jielie

Memory map of BR23

Address	Size	Usage
0x0000000 - 0x002BFFF	176k	RAM0
0x002C000 - 0x002FFFF	16k	RAM1
0x00FC000 - 0x00FDBFF	7k	icache tag
0x0100000 - 0x010FFFF	64k	Core peripherals
0x0110000 - 0x0107FFF	32k	MaskROM
0x01E0000 - 0x01EFFFF	64k	LSB peripherals
0x01F0000 - 0x01FFFFF	64k	HSB peripherals
0x0200000 - 0x0xxxxxx	xxx	MMU mapping
0x0800000 - 0x0FFFFFF	8M	PSRAM mapping
0x1000000 - 0x1FFFFFF	16M	SFC mapping

• The main bus has 25-bit wide addressing, i.e. it wraps each 32 MiB. (mask 0x1FFFFFF)

Peripherals

LSB

| Address | Name | |———–|———————–|

HSB

| Address | Name | |———–|———————–|