Overview
The TMS320C25FNLR is a 16-bit fixed-point digital signal processor (DSP) developed and manufactured by Texas Instruments. It is part of the TMS320C2x family, which is known for its high performance and versatility in digital signal processing applications. The TMS320C25FNLR is processed in CMOS technology, offering low power dissipation and high-speed operation. It is pin-for-pin and object-code compatible with the TMS32020, making it a powerful upgrade for existing systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Type | 16-bit Fixed Point DSP |
| Instruction Cycle Time | 100 ns |
| Clock Rate | 40 MHz |
| On-Chip RAM | 544 words (256-word data/program RAM + 288-word data RAM) |
| On-Chip Program ROM/EPROM | 4K words (ROM for TMS320C25, EPROM for TMS320E25) |
| Total Program/Data Memory Space | 128K words |
| Package Type | 68-Pin PLCC (Plastic Leaded Chip Carrier) |
| Operating Temperature | 0°C to 70°C (TA) |
| Voltage - I/O and Core | 5.00V |
| Interface | Serial Port, Multi-Processor Interface |
Key Features
- Enhanced instruction set with 133 instructions, including 24 additional instructions for adaptive filtering, FFTs, and extended-precision arithmetic.
- Eight auxiliary registers with a dedicated arithmetic unit.
- Bit-reversed indexed-addressing mode for radix-2 FFTs.
- Single-cycle multiply/accumulate instructions.
- Double-buffered serial port and on-chip clock generator.
- Hardware timer and interrupts.
- Eight-level hardware stack.
- Low power dissipation due to CMOS technology.
Applications
The TMS320C25FNLR is suitable for a wide range of digital signal processing applications, including:
- Audio and speech processing.
- Image and video processing.
- Telecommunications and wireless communication systems.
- Industrial control and automation.
- Medical imaging and diagnostics.
- Embedded systems requiring high-performance DSP capabilities.
Q & A
- What is the instruction cycle time of the TMS320C25FNLR?
The instruction cycle time of the TMS320C25FNLR is 100 ns.
- What type of memory does the TMS320C25FNLR have on-chip?
The TMS320C25FNLR has 544 words of on-chip RAM and 4K words of on-chip program ROM.
- What is the clock rate of the TMS320C25FNLR?
The clock rate of the TMS320C25FNLR is 40 MHz.
- What is the operating temperature range of the TMS320C25FNLR?
The operating temperature range is 0°C to 70°C (TA).
- What type of package does the TMS320C25FNLR come in?
The TMS320C25FNLR comes in a 68-Pin PLCC (Plastic Leaded Chip Carrier) package.
- Is the TMS320C25FNLR compatible with other TMS320 models?
Yes, it is pin-for-pin and object-code compatible with the TMS32020.
- What are some key features of the TMS320C25FNLR's instruction set?
The instruction set includes 133 instructions, with enhancements for adaptive filtering, FFTs, and extended-precision arithmetic.
- Does the TMS320C25FNLR have any power-saving features?
Yes, it benefits from low power dissipation due to its CMOS technology.
- What interfaces does the TMS320C25FNLR support?
The TMS320C25FNLR supports a serial port and multi-processor interface.
- What are some common applications of the TMS320C25FNLR?
Common applications include audio and speech processing, image and video processing, telecommunications, industrial control, and medical imaging.
