Digital Signal Processing Reference
In-Depth Information
TABLE 3.1
Memory Map
Memory Block Description
Block Size (Bytes)
Hex Address Range
Internal RAM (L2)
192 K
0000 0000-0002 FFFF
Internal RAM/cache
64 K
0003 0000-0003 FFFF
Reserved
24 M-256 K
0004 0000-017F FFFF
External memory interface (EMIF) registers
256 K
0180 0000-0183 FFFF
L2 registers
128 K
0184 0000-0185 FFFF
Reserved
128 K
0186 0000-0187 FFFF
HPI registers
256 K
0188 0000-018B FFFF
McBSP 0 registers
256 K
018C 0000-018F FFFF
McBSP 1 registers
256 K
0190 0000-0193 FFFF
Timer 0 registers
256 K
0194 0000-0197 FFFF
Timer 1 registers
256 K
0198 0000-019B FFFF
Interrupt selector registers
512
019C 0000-019C 01FF
Device configuration registers
4
019C 0200-019C 0203
Reserved
256 K-516
091C 0204-019F FFFF
EDMA RAM and EDMA registers
256 K
01A0 0000-01A3 FFFF
Reserved
768 K
01A4 0000-01AF FFFF
GPIO registers
16 K
01B0 0000-01B0 3FFF
Reserved
240 K
01B0 4000-01B3 FFFF
I2C0 registers
16 K
01B4 0000-01B4 3FFF
I2C1 registers
16 K
01B4 4000-01B4 7FFF
Reserved
16 K
01B4 8000-01B4 BFFF
McASP0 registers
16 K
01B4 C000-01B4 FFFF
McASP1 registers
16 K
01B5 0000-01B5 3FFF
Reserved
160 K
01B5 4000-01B7 BFFF
PLL registers
8 K
01B7 C000-01B7 DFFF
Reserved
264 K
01B7 E000-01BB FFFF
Emulation registers
256 K
01BC 0000-01BF FFFF
Reserved
4 M
01C0 0000-01FF FFFF
QDMA registers
52
0200 0000-0200 0033
Reserved
16 M-52
0200 0034-02FF FFFF
Reserved
720 M
0300 0000-2FFF FFFF
McBSP0 data port
64 M
3000 0000-33FF FFFF
McBSP1 data port
64 M
3400 0000-37FF FFFF
Reserved
64 M
3800 0000-3BFF FFFF
McASP0 data port
1 M
3C00 0000-3C0F FFFF
McASP1 data port
1 M
3C10 0000-3C1F FFFF
Reserved
1 G + 62 M
3C20 0000-7FFF FFFF
EMIF CE0*
256 M
8000 0000-8FFF FFFF
EMIF CE1*
256 M
9000 0000-9FFF FFFF
EMIF CE2*
256 M
A000 0000-AFFF FFFF
EMIF CE3*
256 M
B000 0000-BFFF FFFF
Reserved
1 G
C000 0000-FFFF FFFF
* The number of EMIF address pins (EA[21:2]) limits the maximum addressable memory (SDRAM)
to 128 MB per CE space.
Source : Courtesy of Texas Instruments.
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