Overview
The TMS320C25PHL, produced by Texas Instruments, is a high-performance digital signal processor (DSP) that belongs to the second generation of the TMS320 family. This device is processed in CMOS technology, offering low power dissipation and enhanced functionality. It is architecturally identical to the TMS320C25 and is pin-for-pin and object-code compatible with the TMS32020, making it a versatile choice for various signal processing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Instruction Cycle Time | 100 ns |
| Package Type | 80-BQFP (BQFP-80) |
| Supply Voltage | Single 5-V Supply |
| On-Chip Program Memory | 4K Words of On-Chip Program ROM |
| On-Chip Data Memory | 544 Words of On-Chip RAM |
| Total Memory Space | 128K Words of Total Program/Data Memory Space |
| Multiplier | 16 × 16-bit hardware multiplier |
| Serial Port | Double-Buffered Serial Port |
| Additional Features | Eight auxiliary registers, bit-reversed indexed-addressing mode, on-chip clock generator |
Key Features
- CMOS technology for low power dissipation
- Instruction cycle time of 100 ns
- 24 additional instructions to support adaptive filtering, FFTs, and extended-precision arithmetic
- Single-cycle multiply/accumulate instructions
- Eight auxiliary registers with dedicated arithmetic unit
- Bit-reversed indexed-addressing mode for radix-2 FFTs
- Double-buffered serial port
- On-chip clock generator
- 68-to-28 pin conversion adapter socket for EPROM programming
Applications
The TMS320C25PHL is suitable for a wide range of digital signal processing applications, including but not limited to:
- Audio and video processing
- Image processing
- Telecommunications
- Industrial control systems
- Medical imaging and diagnostics
- Aerospace and defense systems
Q & A
- What is the instruction cycle time of the TMS320C25PHL?
The instruction cycle time of the TMS320C25PHL is 100 ns. - What type of technology is used in the TMS320C25PHL?
The TMS320C25PHL is processed in CMOS technology. - What is the package type of the TMS320C25PHL?
The package type of the TMS320C25PHL is 80-BQFP (BQFP-80). - How much on-chip program memory does the TMS320C25PHL have?
The TMS320C25PHL has 4K words of on-chip program ROM. - What is the total memory space available on the TMS320C25PHL?
The total memory space available is 128K words of program/data memory space. - Does the TMS320C25PHL support single-cycle multiply/accumulate instructions?
Yes, the TMS320C25PHL supports single-cycle multiply/accumulate instructions. - What additional registers does the TMS320C25PHL have?
The TMS320C25PHL has eight auxiliary registers with a dedicated arithmetic unit. - Is the TMS320C25PHL pin-for-pin and object-code compatible with other models?
Yes, the TMS320C25PHL is pin-for-pin and object-code compatible with the TMS32020. - What is the significance of the bit-reversed indexed-addressing mode in the TMS320C25PHL?
The bit-reversed indexed-addressing mode is particularly useful for radix-2 FFTs. - Does the TMS320C25PHL have an on-chip clock generator?
Yes, the TMS320C25PHL has an on-chip clock generator.
