Overview
The TMS320LC31PQ40 is a high-performance 32-bit floating-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C3x generation. This device is designed for both digital signal processing and embedded-control applications. It is manufactured using 0.6 µm triple-level-metal CMOS technology, which enhances its speed and efficiency. The TMS320LC31PQ40 is particularly noted for its ability to execute up to 40 million floating-point operations per second (MFLOPS) and its robust instruction set that supports parallel multiply and ALU operations in a single cycle.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 50 ns (TMS320LC31-40) |
| Performance | 220 MOPS, 40 MFLOPS, 20 MIPS |
| Supply Voltage | 3.3 V |
| Package Type | 132-pin Plastic Quad Flatpack (PQFP) |
| Operating Temperature Range | 0°C to 85°C (commercial), -40°C to 125°C (industrial) |
| Storage Temperature Range | -55°C to 150°C |
| Continuous Power Dissipation | 850 mW (worst case) |
Key Features
- 32-bit floating-point processor with a powerful instruction set
- Zero-overhead loops with single-cycle branches
- Conditional calls and returns
- Interlocked instructions for multiprocessing support
- Bus-control registers for strobe-control wait-state generation
- General-purpose register file, program cache, and dedicated Arithmetic Logic Units (ARAU)
- Internal dual-access memories and one DMA channel supporting concurrent I/O
- Two timers and one serial port
- Multiple-interrupt structure and multiprocessor interface
Applications
The TMS320LC31PQ40 is versatile and can be used in a wide range of applications, including:
- Speech recognition systems
- Audio and video processing
- Control systems for industrial automation
- Medical imaging and diagnostics
- Telecommunications and networking equipment
- Embedded systems requiring high-performance DSP capabilities
Q & A
- What is the TMS320LC31PQ40?
The TMS320LC31PQ40 is a 32-bit floating-point digital signal processor from Texas Instruments, part of the TMS320C3x generation.
- What is the instruction cycle time of the TMS320LC31-40?
The instruction cycle time of the TMS320LC31-40 is 50 ns.
- What is the performance of the TMS320LC31-40?
The TMS320LC31-40 performs at 220 MOPS, 40 MFLOPS, and 20 MIPS.
- What is the supply voltage for the TMS320LC31PQ40?
The supply voltage for the TMS320LC31PQ40 is 3.3 V.
- What type of package does the TMS320LC31PQ40 come in?
The TMS320LC31PQ40 comes in a 132-pin Plastic Quad Flatpack (PQFP).
- What are the operating temperature ranges for the TMS320LC31PQ40?
The operating temperature ranges are 0°C to 85°C (commercial) and -40°C to 125°C (industrial).
- What is the storage temperature range for the TMS320LC31PQ40?
The storage temperature range is -55°C to 150°C.
- What is the continuous power dissipation of the TMS320LC31PQ40?
The continuous power dissipation is 850 mW (worst case).
- What are some key features of the TMS320LC31PQ40?
Key features include zero-overhead loops, conditional calls and returns, interlocked instructions, and a robust instruction set.
- In what types of applications is the TMS320LC31PQ40 commonly used?
Common applications include speech recognition, audio and video processing, industrial automation, medical imaging, and telecommunications.
