ADSP-21371
Table 2. ADSP-21371 Internal Memory Space
IOP Registers 0x0000 0000โ0x0003 FFFF
Long Word (64 bits)
Extended Precision Normal or
Instruction Word (48 bits)
Normal Word (32 bits)
BLOCK 0 ROM
0x0004 0000โ0x0004 7FFF
BLOCK 0 ROM
0x0008 0000โ0x0008 AAA9
BLOCK 0 ROM
0x0008 0000โ0x0008 FFFF
Reserved
0x0004 8000โ0x0004 BFFF
Reserved
0x0008 AAAAโ0x0008 FFFF
Reserved
0x0009 0000โ0x0009 7FFF
BLOCK 0 RAM
0x0004 C000โ0x0004 CFFF
BLOCK 0 RAM
0x0009 0000โ0x0009 1554
BLOCK 0 RAM
0x0009 8000โ0x0009 9FFF
Reserved
0x0004 D000โ0x0004 FFFF
Reserved
0x0009 1555โ0x0009 FFFF
Reserved
0x0009 A000โ0x0009 FFFF
BLOCK 1 ROM
0x0005 0000โ0x0005 7FFF
BLOCK 1 ROM
0x000A 0000โ0x000A AAA9
BLOCK 1 ROM
0x000A 0000โ0x000A FFFF
Reserved
0x0005 8000โ0x0005 BFFF
Reserved
0x000A AAAAโ0x000A FFFF
Reserved
0x000B 0000โ0x000B 7FFF
BLOCK 1 RAM
0x0005 C000โ0x0005 CFFF
BLOCK 1 RAM
0x000B 0000โ0x000B 1554
BLOCK 1 RAM
0x000B 8000โ0x000B 9FFF
Reserved
0x0005 D000โ0x0005 FFFF
Reserved
0x000B 1555โ0X000B FFFF
Reserved
0x000B A000โ0x000B FFFF
BLOCK 2 RAM
0x0006 0000โ0x0006 0FFF
BLOCK 2 RAM
0x000C 0000โ0x000C 1554
BLOCK 2 RAM
0X000C 0000โ0X000C 1FFF
Reserved
0x0006 1000โ0x0006 FFFF
Reserved
0x000C 1555โ0x000D FFFF
Reserved
0x000C 2000โ0x000D FFFF
BLOCK 3 RAM
0x0007 0000โ0x0007 0FFF
BLOCK 3 RAM
0x000E 0000โ0x000E 1554
BLOCK 3 RAM
0x000E 0000โ0x000E 1FFF
Reserved
0x0007 1000โ0x0007 FFFF
Reserved
0x000E 1555โ0x000F FFFF
Reserved
0x000E 2000โ0x000F FFFF
Short Word (16 bits)
BLOCK 0 ROM
0x0010 0000โ0x0011 FFFF
Reserved
0x0012 0000โ0x0012 FFFF
BLOCK 0 RAM
0x0013 0000โ0x0013 3FFF
Reserved
0x0013 4000โ0x0013 FFFF
BLOCK 1 ROM
0x0014 0000โ0x0015 FFFF
Reserved
0x0016 0000โ0x0016 FFFF
BLOCK 1 RAM
0x0017 0000โ0x0017 3FFF
Reserved
0x0017 4000โ0x0017 FFFF
BLOCK 2 RAM
0x0018 0000โ0x001B 3FFF
Reserved
0x0018 4000โ0x001B FFFF
BLOCK 3 RAM
0x001C 0000โ0x001C 3FFF
Reserved
0x001C 4000โ0x001F FFFF
Rev. 0 | Page 6 of 48 | June 2007