參數資料
型號: TMX320DM648ZUT720
廠商: Texas Instruments, Inc.
英文描述: Digital Media Processor
中文描述: 數字媒體處理器
文件頁數: 8/166頁
文件大小: 1341K
代理商: TMX320DM648ZUT720
www.ti.com
P
TMS320DM647/TMS320DM648
Digital Media Processor
SPRS372–MAY 2007
Instruction Set Enhancement
- As noted above, there are new instructions such as 32-bit
multiplications, complex multiplications, packing, sorting, bit manipulation, and 32-bit Galois field
multiplication.
Exceptions Handling
- Intended to aid the programmer in isolating bugs. The C64x+ CPU is able to
detect and respond to exceptions, both from internally detected sources (such as illegal opcodes) and
from system events (such as a watchdog time expiration).
Privilege
- Defines user and supervisor modes of operation, allowing the operating system to give a
basic level of protection to sensitive resources. Local memory is divided into multiple pages, each with
read, write, and execute permissions.
Time-Stamp Counter
- Primarily targeted for real-time operating system (RTOS) robustness, a
free-running time-stamp counter is implemented in the CPU which is
not
sensitive to system stalls.
For more details on the C64x+ CPU and its enhancements over the C64x architecture, see the following
documents:
TMS320C64x/C64x+ DSP CPU and Instruction Set Reference Guide
(literature number
SPRU732
)
TMS320C64x+ DSP Megamodule Reference Guide
(literature number
SPRU871
)
TMS320C64x to TMS320C64x+ CPU Migration Guide Application Report
(literature number
SPRAA84
)
TMS320C64x+ DSP Cache User's Guide
(literature number
SPRU862
)
Device Overview
8
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