Texas Instruments TMS320DM643x Manuale Utente

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Cache control
Memory protect
Bandwidth mgmt
L1P
RAM/
cache
256
Bandwidth mgmt
Memory protect
Cache control
256
L2
256
RAM/
Cache
ROM
256
Instruction fetch
file A
file B
C64x+ CPU
256
Cache control
Memory protect
Bandwidth mgmt
L1D
128
128
8 x 32
IDMA
256
256
128
256
Power down
Interrupt
controller
CFG
MDMA
SDMA
EMC
256
32
Chip
registers
64
64
RAM/
cache
Register
Register
System
infrastructure
TMS320C64x+ CPU
Protected mode operation: a two-level system of privileged program execution to support higher
capability operating systems and system features, such as memory protection
Exceptions support for error detection and program redirection to provide robust code execution
Hardware support for modulo loop operation to reduce code size
Industry's first assembly optimizer for rapid development and improved parallelization
Figure 2-1. TMS320C64x+ Megamodule Block Diagram
SPRU978E – March 2008
TMS320C64x+ Megamodule
17