Overview
The TMS320C25FNAR, produced by Texas Instruments, is a second-generation digital signal processor (DSP) within the TMS320 family. This device is processed in CMOS technology, offering significant enhancements over its predecessors. It is designed to provide high performance and flexibility, making it suitable for a wide range of digital signal processing applications. The TMS320C25FNAR is pin-for-pin and object-code compatible with the TMS32020, ensuring seamless integration into existing systems. It features a 100-ns instruction cycle time, low power dissipation, and a robust set of instructions and on-chip resources.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 100 ns |
| On-Chip Data RAM | 544 words |
| On-Chip Program ROM | 4K words |
| Total Data/Program Memory Space | 128K words |
| ALU/Accumulator | 32-bit |
| Multiplier | 16 × 16-bit with a 32-bit product |
| Supply Voltage | Single 5-V |
| Packaging | 68-Pin PGA, PLCC, and CER-QUAD |
Key Features
- 24 additional instructions to support adaptive filtering, FFTs, and extended-precision arithmetic
- Block moves for data/program management
- Single-cycle multiply/accumulate instructions
- Bit-reversed indexed-addressing mode for radix-2 FFTs
- Double-buffered serial port
- On-chip clock generator
- On-chip timer for control operations
- Synchronization input for synchronous multiprocessor configurations
- Wait states for communication to slow off-chip memories/peripherals
Applications
The TMS320C25FNAR is versatile and can be used in a variety of digital signal processing applications, including:
- Audio and speech processing
- Image and video processing
- Telecommunications and modems
- Medical imaging and diagnostics
- Industrial control and automation
- Radar and sonar systems
Q & A
- What is the instruction cycle time of the TMS320C25FNAR?
The instruction cycle time of the TMS320C25FNAR is 100 ns.
- What type of technology is used in the TMS320C25FNAR?
The TMS320C25FNAR is processed in CMOS technology.
- How much on-chip data RAM does the TMS320C25FNAR have?
The TMS320C25FNAR has 544 words of on-chip data RAM.
- What is the total data/program memory space available on the TMS320C25FNAR?
The total data/program memory space is 128K words.
- Is the TMS320C25FNAR compatible with other TMS320 devices?
Yes, it is pin-for-pin and object-code compatible with the TMS32020.
- What are some of the key features of the TMS320C25FNAR?
Key features include 24 additional instructions, block moves, single-cycle multiply/accumulate instructions, and an on-chip clock generator.
- What packaging options are available for the TMS320C25FNAR?
The TMS320C25FNAR is available in 68-Pin PGA, PLCC, and CER-QUAD packages.
- Does the TMS320C25FNAR have any special addressing modes?
Yes, it includes a bit-reversed indexed-addressing mode for radix-2 FFTs.
- Can the TMS320C25FNAR be used in multiprocessor configurations?
Yes, it has a synchronization input for synchronous multiprocessor configurations.
- What is the supply voltage requirement for the TMS320C25FNAR?
The TMS320C25FNAR requires a single 5-V supply voltage.
