SMJ320MCM42C Datasheet, PDF (8/16 Pages) Texas Instruments – DUAL SMJ320C40 MULTICHIP MODULE

SMJ320MCM42C, SMJ320MCM42D
DUAL SMJ320C40 MULTICHIP MODULE
SGKS001B – JULY 1997 – REVISED FEBRUARY 2000
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
00000 0000h
00000 0FFFh
00000 1000h
0000F FFFFh
00010 0000h
00010 00FFh
00010 0100h
0001F FFFFh
00020 0000h
0002F F7FFh
0002F F800h
0002F FBFFh
0002F FC00h
0002F FFFFh
00030 0000h
0007F FFFFh
00080 0000h
00081 FFFFh
00082 0000h
07FFF FFFFh
08000 0000h
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)
0FFFF FFFFh
(b) INTERNAL ROM ENABLED
(ROMEN = 1)
Figure 1. Memory Map for Each ’C40 Within the Multichip Module (’42D)
8
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251–1443