TMS320C6457 Datasheet, PDF (81/238 Pages) Texas Instruments – Fixed-Point Digital Signal Processor

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5.5 Megamodule Resets
TMS320C6457
Fixed-Point Digital Signal Processor
SPRS582—March 2009
Table 5-3 shows the reset types supported on the C6457 device and they affect the resetting of the Megamodule,
either both globally or just locally.
Table 5-3 Megamodule Reset (Global or Local)
Reset Type
Power-On Reset
Warm Reset
System Reset
CPU Reset
End of Table 5-3
Global Megamodule Reset
Y
Y
Y
N
Local Megamodule Reset
Y
Y
Y
Y
For more detailed information on the global and local Megamodule resets, see the TMS320C64x+ Megamodule
Reference Guide (literature number SPRU871). And for more detailed information on device resets, see Section
7.6 ‘‘Reset Controller’’ on page 131.
5.6 Megamodule Revision
The version and revision of the C64x+ Megamodule can be read from the Megamodule Revision ID Register
(MM_REVID) located at address 0181 2000h. The MM_REVID register is shown in Table 5-4 and described in
Table 5-5. The C64x+ Megamodule revision is dependant on the silicon revision being used.
Table 5-4 Megamodule Revision ID Register (MM_REVID)
Address - 0181 2000h
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Acronym
Reset ⁽¹⁾
VERSION
R-5h
Bit
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Acronym
Reset ⁽¹⁾
REVISION
R-n
1 R/W = Read/Write; R = Read only; -n = value after reset
Table 5-5 Megamodule Revision ID Register (MM_REVID) Field Descriptions
Bit Acronym
31:16 VERSION
Value
5h
Description
Version of the C64x+ Megamodule implemented on the device. This field is always read as 5h.
15:0 REVISION
-
Revision of the C64x+ Megamodule version implemented on the device.
End of Table 5-5
Copyright © 2009 Texas Instruments Incorporated
C64x+ Megamodule 81