Overview
The TMS320C51PQ is a member of the TMS320C5x family of digital signal processors (DSPs) from Texas Instruments. This powerful 16-bit DSP is designed to provide high performance and versatility, making it suitable for a wide range of applications that require advanced signal processing capabilities. The TMS320C51PQ is built on the advanced Harvard architecture and features a highly specialized instruction set, which enables it to execute up to 50 million instructions per second (MIPS).
Key Specifications
| Specification | Details |
|---|---|
| Instruction Execution Time | 20-, 25-, 35-, and 50-ns for 5-V operation; 25-, 40-, and 50-ns for 3-V operation |
| On-Chip Memory | 1K SARAM, 8K ROM, 544 words DARAM |
| External Memory Space | 224K × 16-bit maximum addressable external memory space (64K Program, 64K Data, 64K I/O, and 32K Global) |
| Serial Ports | Full-Duplex Synchronous Serial Port, Time-Division-Multiplexed (TDM) Serial Port |
| Power Consumption | 47 mA (2.35 mA/MIP) at 5 V, 40-MHz clock; 23 mA (1.15 mA/MIP) at 3 V, 40-MHz clock; various power-down modes |
| Package Options | 100-pin Quad Flat Package (PQ Suffix), 100-pin Thin Quad Flat Package (PZ Suffix) |
| Clocking Options | Multiple Phase-Locked Loop (PLL) clocking options (×1, ×2, ×3, ×4, ×5, ×9) |
| Emulation and Test | On-Chip Scan-Based Emulation Logic, Boundary Scan, IEEE Standard 1149.1 Test-Access Port (JTAG) |
Key Features
- Advanced Harvard architecture for increased performance and versatility
- Single-Cycle 16 × 16-Bit Multiply/Add instruction
- On-chip peripherals including full-duplex synchronous serial port, TDM serial port, and buffered serial port
- On-chip timer and repeat instructions for efficient use of program space
- Multiple phase-locked loop (PLL) clocking options
- Low power dissipation and various power-down modes
- IEEE Standard 1149.1 Test-Access Port (JTAG) and boundary scan capabilities
- Host Port Interface (HPI) for communication with external hosts
Applications
The TMS320C51PQ is suitable for a variety of applications that require advanced digital signal processing, such as:
- Audio and video processing
- Telecommunications and networking
- Industrial control and automation
- Medical imaging and diagnostics
- Aerospace and defense systems
Q & A
- What is the instruction execution time of the TMS320C51PQ?
The instruction execution time is 20-, 25-, 35-, and 50-ns for 5-V operation and 25-, 40-, and 50-ns for 3-V operation. - How much on-chip memory does the TMS320C51PQ have?
The TMS320C51PQ has 1K SARAM, 8K ROM, and 544 words DARAM. - What are the power consumption characteristics of the TMS320C51PQ?
The power consumption is 47 mA (2.35 mA/MIP) at 5 V, 40-MHz clock, and 23 mA (1.15 mA/MIP) at 3 V, 40-MHz clock, with various power-down modes. - What are the packaging options for the TMS320C51PQ?
The packaging options include 100-pin Quad Flat Package (PQ Suffix) and 100-pin Thin Quad Flat Package (PZ Suffix). - Does the TMS320C51PQ support any specific serial communication protocols?
Yes, it supports full-duplex synchronous serial port and Time-Division-Multiplexed (TDM) serial port. - What is the maximum addressable external memory space for the TMS320C51PQ?
The maximum addressable external memory space is 224K × 16-bit (64K Program, 64K Data, 64K I/O, and 32K Global). - Does the TMS320C51PQ have any built-in emulation and test capabilities?
Yes, it features on-chip scan-based emulation logic, boundary scan, and IEEE Standard 1149.1 Test-Access Port (JTAG). - What are some common applications of the TMS320C51PQ?
Common applications include audio and video processing, telecommunications, industrial control, medical imaging, and aerospace and defense systems. - How does the TMS320C51PQ manage power consumption?
The TMS320C51PQ has low power dissipation and various power-down modes, including IDLE1, IDLE2, and clocks off modes. - Is the TMS320C51PQ compatible with other TMS320 DSPs?
Yes, the source code for ’C1x and ’C2x DSPs is upward compatible with ’C5x DSPs.
