Overview
The TMS320C31PQA40 is a high-performance digital signal processor (DSP) from Texas Instruments, part of the TMS320C3x family. This DSP is designed to provide exceptional performance and flexibility, making it suitable for a wide range of applications including industrial automation, telecommunications, motor control, automotive systems, and instrumentation. The TMS320C31PQA40 is fabricated using 0.6 µm triple-level-metal CMOS technology, which enhances its speed and efficiency.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 25 ns (TMS320C31-80) |
| MOPS (Millions of Operations Per Second) | 440 MOPS |
| MFLOPS (Millions of Floating-Point Operations Per Second) | 80 MFLOPS |
| MIPS (Millions of Instructions Per Second) | 40 MIPS |
| Package Type | PQ (Plastic Quad Flatpack) |
| Number of Pins | 132 |
| Operating Temperature Range | 0°C to 85°C (Commercial), -40°C to 125°C (Industrial) |
| Storage Temperature Range | -55°C to 150°C |
| Power Dissipation | 2.6 W (TMS320C31-80), 850 mW (TMS320LC31-33) |
Key Features
- High-performance floating-point digital signal processor with up to 80 MFLOPS and 40 MIPS
- Zero-overhead loops with single-cycle branches and conditional calls and returns
- Interlocked instructions for multiprocessing support
- Bus-control registers for configuring strobe-control wait-state generation
- Single-cycle multiply and ALU operations on integer or floating-point data
- General-purpose register file, program cache, dedicated Arithmetic Logic Units (ARAU), and internal dual-access memories
- One DMA channel supporting concurrent I/O operations
- Support for parallel multiply and ALU operations in a single cycle
Applications
- Industrial automation: Control and monitoring of industrial processes
- Telecommunications: Signal processing and transmission in telecommunication networks
- Motor control: High-performance motor control systems
- Automotive systems: Advanced automotive control and monitoring systems
- Instrumentation: High-speed data acquisition and processing in various instruments
- Laser printers and scanners: High-speed signal processing for imaging and printing applications
Q & A
- What is the instruction cycle time of the TMS320C31PQA40?
The instruction cycle time of the TMS320C31-80 is 25 ns.
- What is the maximum MFLOPS rating of the TMS320C31PQA40?
The TMS320C31PQA40 can perform up to 80 MFLOPS.
- What type of package does the TMS320C31PQA40 come in?
The TMS320C31PQA40 comes in a Plastic Quad Flatpack (PQ) package.
- How many pins does the TMS320C31PQA40 have?
The TMS320C31PQA40 has 132 pins.
- What is the operating temperature range for the TMS320C31PQA40?
The operating temperature range is 0°C to 85°C for commercial and -40°C to 125°C for industrial applications.
- What are some of the key features of the TMS320C31PQA40?
Key features include zero-overhead loops, interlocked instructions, bus-control registers, and single-cycle multiply and ALU operations.
- What types of applications is the TMS320C31PQA40 suitable for?
The TMS320C31PQA40 is suitable for industrial automation, telecommunications, motor control, automotive systems, and instrumentation among others.
- Does the TMS320C31PQA40 support concurrent I/O operations?
Yes, it supports concurrent I/O operations through its DMA channel.
- What is the power dissipation of the TMS320C31PQA40?
The power dissipation is 2.6 W for the TMS320C31-80 and 850 mW for the TMS320LC31-33.
- Is the TMS320C31PQA40 still in production?
No, the TMS320C31PQA40 is obsolete and no longer in production.
