Overview
The TMS320C25FNA50 is a 16/32-bit single-chip digital signal processor (DSP) from Texas Instruments, part of the second generation of the TMS320 family. This device combines the flexibility of a high-speed controller with the numerical capability of an array processor, offering an efficient alternative to multichip bit-slice processors. The TMS320C25FNA50 is processed in CMOS technology, providing low power dissipation and high performance. It is architecturally identical to the TMS320C25 but operates at a higher speed, with an instruction cycle time of less than 80 ns.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | Less than 80 ns |
| Package Type | 68-Pin PLCC, PGA, and CER-QUAD |
| On-Chip Data RAM | 544 Words |
| On-Chip Program ROM | 4K Words |
| Total Program/Data Memory Space | 128K Words |
| ALU/Accumulator | 32-Bit |
| Multiplier | 16 × 16-Bit with a 32-Bit Product |
| Supply Voltage | Single 5-V |
| Operating Temperature Range | -40°C to 85°C |
| Interface | Serial Port, Multiprocessor Interface |
Key Features
- High-speed instruction cycle time of less than 80 ns
- 544 words of on-chip data RAM and 4K words of on-chip program ROM
- 128K words of total program/data memory space
- 32-bit ALU/accumulator and 16 × 16-bit multiplier with a 32-bit product
- Block moves for data/program management and repeat instructions for efficient use of program space
- Serial port for direct codec interface and synchronization input for synchronous multiprocessor configurations
- On-chip timer for control operations and wait states for communication to slower off-chip memories/peripherals
- Single 5-V supply and low power dissipation due to CMOS technology
- Eight auxiliary registers with a dedicated arithmetic unit and bit-reversed indexed-addressing mode for radix-2 FFTs
Applications
The TMS320C25FNA50 is suitable for a wide range of digital signal processing applications, including but not limited to:
- Audio and video processing
- Image processing and recognition
- Telecommunications and networking
- Industrial control and automation
- Medical imaging and diagnostics
- Aerospace and defense systems
Q & A
- What is the instruction cycle time of the TMS320C25FNA50?
The instruction cycle time of the TMS320C25FNA50 is less than 80 ns. - What types of packages are available for the TMS320C25FNA50?
The TMS320C25FNA50 is available in 68-Pin PLCC, PGA, and CER-QUAD packages. - How much on-chip data RAM does the TMS320C25FNA50 have?
The TMS320C25FNA50 has 544 words of on-chip data RAM. - What is the total program/data memory space of the TMS320C25FNA50?
The total program/data memory space is 128K words. - Does the TMS320C25FNA50 support multiprocessor configurations?
Yes, it supports synchronous multiprocessor configurations with a synchronization input. - What is the supply voltage for the TMS320C25FNA50?
The supply voltage is a single 5-V. - What are the key features of the ALU/Accumulator in the TMS320C25FNA50?
The ALU/Accumulator is 32-bit, and it includes a 16 × 16-bit multiplier with a 32-bit product. - Is the TMS320C25FNA50 compatible with other TMS320 devices?
Yes, it is object-code compatible with the TMS32020 and source-code compatible with the TMS320C1x family. - What are some of the additional instructions supported by the TMS320C25FNA50?
The device supports 24 additional instructions for adaptive filtering, FFTs, and extended-precision arithmetic. - Does the TMS320C25FNA50 have any on-chip peripherals?
Yes, it includes an on-chip timer, serial port, and multiprocessor interface.
