Overview
The TMS320P25PH, although not explicitly detailed, is part of the TMS320 family of digital signal processors (DSPs) from Texas Instruments. This family combines the flexibility of a high-speed controller with the numerical capability of an array processor, offering a powerful and efficient solution for various digital signal processing applications.
The TMS320C25, a closely related model, is processed in CMOS technology and is known for its high performance and low power consumption. It is object-code compatible with the TMS32020 and source-code compatible with the TMS320C1x, making it a versatile choice for a wide range of applications.
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 (TMS320C25), 4K words EPROM (TMS320E25) |
| 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 supply |
| Packaging | 68-Pin PGA, PLCC, and CER-QUAD |
Key Features
- High Performance: Capable of executing more than 12.5 MIPS with a 100-ns instruction cycle time (80 ns for TMS320C25-50).
- Enhanced Instruction Set: Includes 133 instructions, with 24 additional instructions to support adaptive filtering, FFTs, and extended-precision arithmetic.
- On-Chip Memory: 544 words of on-chip data RAM and 4K words of on-chip program ROM or EPROM.
- Multiplier and ALU: 16 × 16-bit hardware multiplier and a 32-bit ALU/accumulator.
- Serial Port: Double-buffered serial port for direct codec interface.
- Timer and Interrupts: On-chip timer and multiple interrupt inputs for control operations.
- Memory Management: Dynamic configuration of memory maps through software and support for wait states for slower off-chip memories.
- Repeat Instructions: Allows a single instruction to be performed up to 256 times for efficient use of program space.
Applications
The TMS320 family, including the TMS320P25PH, is suitable for a wide range of digital signal processing applications, such as:
- Audio and speech processing
- Image and video processing
- Telecommunications and networking
- Industrial control and automation
- Medical imaging and diagnostics
- Radar and sonar systems
Q & A
- What is the instruction cycle time of the TMS320C25?
The instruction cycle time of the TMS320C25 is 100 ns, while the TMS320C25-50 has a cycle time of less than 80 ns.
- How much on-chip data RAM does the TMS320C25 have?
The TMS320C25 has 544 words of on-chip data RAM.
- What is the total program/data memory space of the TMS320C25?
The total program/data memory space is 128K words.
- Does the TMS320C25 support wait states for slower off-chip memories?
- What type of multiplier does the TMS320C25 have?
The TMS320C25 has a 16 × 16-bit hardware multiplier with a 32-bit product.
- Is the TMS320C25 object-code compatible with other TMS320 models?
- What packaging options are available for the TMS320C25?
The TMS320C25 is available in 68-Pin PGA, PLCC, and CER-QUAD packages.
- Does the TMS320C25 have an on-chip timer?
- What is the purpose of the repeat instructions in the TMS320C25?
The repeat instructions allow a single instruction to be performed up to 256 times for efficient use of program space.
- Is the TMS320C25 suitable for military applications?
