SMJ320C40_15 Datasheet, PDF (9/65 Pages) Texas Instruments – DIGITAL SIGNAL PROCESSORS

SMJ320C40, TMP320C40
DIGITAL SIGNAL PROCESSORS
SGUS017H -- OCTOBER 1993 -- REVISED OCTOBER 2001
memory map
Figure 3 shows the memory map for the 320C40. See the TMS320C4x User’s Guide (literature number
SPRU063) for a detailed description of this memory mapping.
Structure
Depends
Upon
1M
ROMEN Bit
1M
2G
1M
Accessible Local Bus
(External)
Peripherals (Internal)
Reserved
Reserved
1K RAM BLK 0 (Internal)
1K RAM BLK 1 (Internal)
000000000h
000000FFFh
000001000h
0000FFFFFh
000100000h
0001000FFh
000100100h
0001FFFFFh
000200000h
0002FF7FFh
0002FF800h
0002FFBFFh
0002FFC00h
0002FFFFFh
000300000h
Boot-Loader ROM
(Internal)
Reserved
Peripherals (Internal)
Reserved
Reserved
1K RAM BLK 0 (Internal)
1K RAM BLK 1 (Internal)
Structure
Identical
2G--3M
Local Bus
(External)
Local Bus
(External)
07FFFFFFFh
080000000h
Global Bus (External)
2G
Global Bus (External)
(a) Internal ROM Disabled
(ROMEN = 0)
Microprocessor Mode
0FFFFFFFFh
Figure 3. Memory Map for 320C40
(b) Internal ROM Enabled
(ROMEN = 1)
Microcomputer Mode
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