Overview
The TMS320C51PQA is a member of the TMS320C5x generation of digital signal processors (DSPs) from Texas Instruments. This powerful 16-bit DSP is fabricated using static CMOS integrated circuit technology and is based on the architectural design of earlier TI DSPs, such as the TMS320C25. The TMS320C51PQA offers enhanced performance and versatility, making it suitable for a wide range of applications requiring high-speed signal processing.
Key Specifications
| Parameter | Value |
|---|---|
| Instruction Execution Time | 20-, 25-, 35-, and 50-ns at 5 V; 25-, 40-, and 50-ns at 3 V |
| On-Chip Program ROM | 8K × 16-Bit Single-Access |
| On-Chip Program/Data RAM (SARAM) | 1K × 16-Bit Single-Access |
| On-Chip Program/Data RAM (DARAM) | 1K Dual-Access |
| External Memory Space | 224K × 16-Bit Maximum Addressable (64K Program, 64K Data, 64K I/O, and 32K Global) |
| Power Consumption | 47 mA at 5 V, 40-MHz Clock (Average); 23 mA at 3 V, 40-MHz Clock (Average) |
| Power-Down Modes | IDLE1: 10 mA at 5 V; IDLE2: 3 mA at 5 V; Clocks Off: 5 µA at 5 V |
| Packaging Options | 100-pin Quad Flat Package (PQ Suffix), 100-pin Thin Quad Flat Package (PZ Suffix) |
| Clocking Options | Multiple Phase-Locked Loop (PLL) options (×1, ×2, ×3, ×4, ×5, ×9) |
Key Features
- Powerful 16-Bit TMS320C5x CPU with single-cycle instruction execution
- Single-Cycle 16 × 16-Bit Multiply/Add capability
- Full-Duplex Synchronous Serial Port and Time-Division-Multiplexed (TDM) Serial Port
- Hardware or Software Wait-State Generation Capability
- On-Chip Timer for control operations and Repeat Instructions for efficient use of program space
- Buffered Serial Port and Host Port Interface (HPI)
- IEEE Standard 1149.1 Test-Access Port (JTAG) and Boundary Scan
- Low Power Dissipation and various Power-Down Modes
Applications
The TMS320C51PQA is designed for applications that require high-performance digital signal processing, such as:
- Audio and speech processing
- Image and video processing
- Telecommunications and networking
- Industrial control and automation
- Medical devices and diagnostic equipment
Q & A
- What is the TMS320C51PQA?
The TMS320C51PQA is a 16-bit digital signal processor from Texas Instruments, part of the TMS320C5x generation. - What is the instruction execution time of the TMS320C51PQA?
The instruction execution time is 20-, 25-, 35-, and 50-ns at 5 V and 25-, 40-, and 50-ns at 3 V. - How much on-chip memory does the TMS320C51PQA have?
The TMS320C51PQA has 8K × 16-Bit Single-Access On-Chip Program ROM and 1K × 16-Bit Single-Access On-Chip Program/Data RAM (SARAM), along with 1K Dual-Access On-Chip Program/Data RAM (DARAM). - What are the power consumption and power-down modes of the TMS320C51PQA?
The power consumption is 47 mA at 5 V and 23 mA at 3 V, with power-down modes including IDLE1, IDLE2, and Clocks Off. - What packaging options are available for the TMS320C51PQA?
The TMS320C51PQA is available in 100-pin Quad Flat Package (PQ Suffix) and 100-pin Thin Quad Flat Package (PZ Suffix). - Does the TMS320C51PQA support any serial communication interfaces?
Yes, it supports Full-Duplex Synchronous Serial Port and Time-Division-Multiplexed (TDM) Serial Port. - Is the TMS320C51PQA compatible with earlier TI DSPs?
Yes, the source code for earlier TI DSPs (C1x and C2x) is upward compatible with the TMS320C51PQA. - What are some common applications of the TMS320C51PQA?
Common applications include audio and speech processing, image and video processing, telecommunications, industrial control, and medical devices. - Does the TMS320C51PQA have any special power-saving features?
Yes, it has low power dissipation and various power-down modes such as IDLE1, IDLE2, and Clocks Off. - Is the TMS320C51PQA compliant with any industry standards for testing?
Yes, it is compliant with IEEE Standard 1149.1 for Test-Access Port (JTAG) and Boundary Scan.
