Key facts
- Brand
- Texas Instruments
- Model
- TMS320DM642
- Industry
- Industrial
- Documents
- 4
- Languages
- EN · ZH
- Last added
- 2012-06-06
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Texas Instruments TMS320DM642 User Manual
This manual provides a detailed overview of the TMS320DM642 digital signal processor, including its key features, CPU architecture, and functional blocks. It describes the processor’s instruction set, internal memory hierarchy, and the various on‑chip peripherals such as Ethernet, GPIO, and audio interfaces.
The document also contains pin assignment tables, mechanical dimensions, register descriptions, and memory map tables for L1, L2 and external interfaces. It is intended for engineers developing applications or performing system integration with the DM642. This manual is written in Chinese.
Texas Instruments TMS320DM642 specifications
| Instruction Cycle Time | 2-, 1.67-, 1.39-ns |
|---|---|
| Clock Rate | 500-, 600-, 720-MHz |
| MIPS Performance | 4000, 4800, 5760 MIPS |
| Functional Units | Eight Highly Independent Functional Units |
| ALU Support | Single 32-Bit, Dual 16-Bit, or Quad 8-Bit Arithmetic per Clock Cycle |
| Multipliers Support | Four 16 x 16-Bit Multiplies (32-Bit Results) per Clock Cycle |
| L1P Program Cache Size | 128K-Bit (16K-Byte) |
| L1D Data Cache Size | 128K-Bit (16K-Byte) |
| L2 Unified Memory/Cache Size | 2M-Bit (256K-Byte) |
| External Addressable Memory Space | 1024M-Byte |
| Ethernet Speed | 10/100 Mb/s |
| Package Type | 548-Pin Ball Grid Array (BGA) |
Source: Texas Instruments TMS320DM642 Video/Imaging Fixed-Point Digital Signal Processor Datasheet
All Texas Instruments TMS320DM642 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum clock rate of the TMS320DM642?
The device supports a clock rate up to 720 MHz.
From: Texas Instruments TMS320DM642 Video/Imaging Fixed-Point Digital Signal Processor Datasheet
How many MIPS can the processor achieve at its maximum speed?
It achieves a performance of up to 5760 million instructions per second.
From: Texas Instruments TMS320DM642 Video/Imaging Fixed-Point Digital Signal Processor Datasheet
What is the maximum clock rate of the TMS320DM642?
The DSP can operate at 500 MHz, 600 MHz, or 720 MHz.
How much external memory can the DM642 address?
It can address up to 1024 M‑byte of external memory.
What is the maximum clock speed of the TMS320DM642?
The device can operate at up to 720 MHz.
How many MIPS can the DM642 achieve?
It can deliver up to 5760 MIPS.