Overview
The Texas Instruments TMS320C25FNAR50 is a second-generation digital signal processor (DSP) from the TMS320 family. This device is processed in CMOS technology and is known for its high performance and versatility in various signal processing applications. It is pin-for-pin and object-code compatible with the TMS32020, making it a powerful upgrade with enhanced features such as additional instructions, auxiliary registers, and improved memory capabilities.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 100 ns (TMS320C25), 80 ns (TMS320C25-50) |
| On-Chip Data RAM | 544 words |
| On-Chip Program ROM/EPROM | 4K words |
| Total Program/Data Memory Space | 128K words |
| ALU/Accumulator | 32-bit |
| Multiplier | 16 × 16-bit with a 32-bit product |
| Package Type | 68-Pin PLCC |
| Supply Voltage | Single 5-V |
| Operating Temperature Range | 0 to 70°C |
Key Features
- Enhanced instruction set with 133 instructions, including support 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
- Double-buffered serial port for direct codec interface
- On-chip timer for control operations
- Wait states for communication to slower off-chip memories/peripherals
- Synchronization input for synchronous multiprocessor configurations
- Single-cycle multiply/accumulate instructions
- Block moves for data/program management
Applications
The TMS320C25FNAR50 is widely used in various digital signal processing applications, including but not limited to:
- Audio and video processing
- Image processing
- Telecommunications
- Medical imaging and diagnostics
- Industrial control and automation
- Radar and sonar systems
Q & A
- What is the instruction cycle time of the TMS320C25FNAR50? The instruction cycle time is 100 ns for the TMS320C25 and 80 ns for the TMS320C25-50.
- How much on-chip data RAM does the TMS320C25FNAR50 have? It has 544 words of on-chip data RAM.
- What is the total program/data memory space of the TMS320C25FNAR50? The total program/data memory space is 128K words.
- What type of package is the TMS320C25FNAR50 available in? It is available in a 68-Pin PLCC package.
- Is the TMS320C25FNAR50 RoHS compliant? No, the TMS320C25FNAR50 is not RoHS compliant.
- What is the operating temperature range of the TMS320C25FNAR50? The operating temperature range is 0 to 70°C.
- Does the TMS320C25FNAR50 support multiprocessor configurations? Yes, it has synchronization inputs for synchronous multiprocessor configurations.
- What are some of the key features of the TMS320C25FNAR50's instruction set? It includes support for adaptive filtering, FFTs, extended-precision arithmetic, and single-cycle multiply/accumulate instructions.
- Is the TMS320C25FNAR50 pin-for-pin compatible with other TMS320 models? Yes, it is pin-for-pin and object-code compatible with the TMS32020.
- What is the purpose of the on-chip timer in the TMS320C25FNAR50? The on-chip timer is used for control operations.
