4.1.1. 物理メモリマップ - 「Armadillo-420/440」
Armadillo-420/440の物理メモリマップは次の通りです。
表4.1 物理メモリマップ -「Armadillo-420/440」
Start Address | End Address | Armadillo-420 | Armadillo-440 | Memory Area | Data Port Width |
---|
0x0000 0000 | 0x0000 3FFF | i.MX257 Internal ROM (16KByte) | | |
0x0000 4000 | 0x0040 3FFF | Reserved | | |
0x0040 4000 | 0x0040 8FFF | i.MX257 Internal ROM (20KByte) | | |
0x0040 9000 | 0x3FFF FFFF | Reserved | | |
0x4000 0000 | 0x6FFF FFFF | i.MX257 Internal Register[] | | |
0x7000 0000 | 0x77FF FFFF | Reserved | | |
0x7800 0000 | 0x7801 FFFF | i.MX257 Internal RAM (128KByte) | | |
0x7802 0000 | 0x7FFF FFFF | Reserved | | |
0x8000 0000 | 0x83FF FFFF | LPDDR SDRAM (64MByte) | LPDDR SDRAM (128MByte) | CSD0 | 16bit |
0x8400 0000 | 0x87FF FFFF | Reserved |
0x8800 0000 | 0x8FFF FFFF | Reserved |
0x9000 0000 | 0x9FFF FFFF | Reserved | CSD1 | |
0xA000 0000 | 0xA0FF FFFF | NOR Flash Memory (16MByte) | NOR Flash Memory (32MByte) | CS0 | 16bit |
0xA100 0000 | 0xA1FF FFFF | Reserved |
0xA200 0000 | 0xA7FF FFFF | Reserved |
0xA800 0000 | 0xA800 000F | Reserved | CS1 | 8bit |
0xA800 0010 | 0xA800 00FF |
0xA800 0100 | 0xAFFF FFFF | Reserved | | |
0xB000 0000 | 0xB1FF FFFF | Reserved | CS2 | |
0xB200 0000 | 0xB200 FFFF | Reserved | CS3 | |
0xB201 0000 | 0xB2FF FFFF |
0xB300 0000 | 0xB3FF FFFF |
0xB400 0000 | 0xB400 FFFF | Reserved | CS4 | |
0xB401 0000 | 0xB4FF FFFF |
0xB500 0000 | 0xB57F FFFF |
0xB580 0000 | 0xB5FF FFFF |
0xB600 0000 | 0xB800 0FFF | Reserved | | |
0xB800 1000 | 0xBB00 1FFF | i.MX257 Internal Register[] | | |
0xBB01 2000 | 0xBFFF FFFF | Reserved | | |
0xC000 0000 | 0xFFFF FFFF | Reserved | | |