SMJ320MCM42C_16 Datasheet, PDF (8/18 Pages) Texas Instruments – DUAL SMJ320C40 MULTICHIP MODULE

SMJ320MCM42C, SMJ320MCM42D
DUAL SMJ320C40 MULTICHIP MODULE
SGKS001D -- JULY 1997 -- REVISED OCTOBER 2001
operational overview
Treatment of the detailed operation of the C40 device is not included in the scope of this document. See the
TMS320C4x User’s Guide (literature number SPRU063) for a detailed description of this DSP. See Figure 1 and
Figure 2 for the memory map.
Structure
Depends On
ROMEN Bit
1M
1M
2G
1M
Structure
Identical
5M
128K
Reserved
Peripherals (internal)
Reserved
Reserved
1K RAM BLK 0 (internal)
1K RAM BLK 1 (internal)
Reserved
Local Bus Module RAM
Reserved
000000000h
000000FFFh
000001000h
0000FFFFFh
000100000h
0001000FFh
000100100h
0001FFFFFh
000200000h
0002FF7FFh
0002FF800h
0002FFBFFh
0002FFC00h
0002FFFFFh
000300000h
0007FFFFFh
000800000h
00081FFFFh
000820000h
07FFFFFFFh
080000000h
4K ROM (reserved)
Reserved
Peripherals (internal)
Reserved
Reserved
1K RAM BLK 0 (internal)
1K RAM BLK 1 (internal)
Reserved
Local Bus Module RAM
Reserved
Global Bus (external)
2G
Global Bus (external)
(a) INTERNAL ROM DISABLED
(ROMEN = 0)
0FFFFFFFFh
(b) INTERNAL ROM ENABLED
(ROMEN = 1)
Figure 1. Memory Map for Each C40 Within the Multichip Module (42D)
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