Overview
The TMS320C51PZ80 is a digital signal processor (DSP) from Texas Instruments, part of the TMS320C5x generation. This device is fabricated using high-performance static CMOS technology and is based on the advanced Harvard architecture. It offers enhanced performance and versatility, making it suitable for a wide range of applications requiring high-speed signal processing.
The TMS320C51PZ80 is designed to execute up to 50 million instructions per second (MIPS) and features a highly specialized instruction set for faster algorithms and optimized high-level language operation. The device is also upward-compatible with source code from earlier TMS320C1x and TMS320C2x DSPs, facilitating easy migration and development.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Type | 16-Bit TMS320C5x CPU |
| Instruction Execution Time | 20-, 25-, 35-, and 50-ns for 5-V operation; 25-, 40-, and 50-ns for 3-V operation |
| Multiply/Add Capability | Single-Cycle 16 × 16-Bit Multiply/Add |
| Maximum Addressable External Memory | 224K × 16-Bit (64K Program, 64K Data, 64K I/O, and 32K Global) |
| On-Chip Program ROM | 2K, 4K, 8K, 16K, 32K × 16-Bit Single-Access |
| On-Chip Program/Data RAM (SARAM) | 1K, 3K, 6K, 9K × 16-Bit Single-Access |
| On-Chip Program/Data RAM (DARAM) | 1K Dual-Access |
| Serial Ports | Full-Duplex Synchronous Serial Port, Time-Division-Multiplexed (TDM) Serial Port |
| Clocking Options | Multiple Phase-Locked Loop (PLL) options (×1, ×2, ×3, ×4, ×5, ×9) |
| 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 |
| 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 (PJ Suffix), 100-Pin Thin Quad Flat Package (PZ Suffix) |
Key Features
- Advanced Harvard Architecture: Enhances performance and versatility.
- On-Chip Peripherals and Memory: Includes on-chip program ROM, SARAM, DARAM, and various serial ports.
- Specialized Instruction Set: Optimized for faster algorithms and high-level language operation.
- Multiple Clocking Options: Supports various PLL clocking options for flexible system design.
- Low Power Consumption: Features power-down modes to minimize power usage.
- Boundary Scan and Emulation Logic: Supports IEEE Standard 1149.1 Test-Access Port (JTAG) and on-chip scan-based emulation logic.
- Host Port Interface: Facilitates communication with host systems.
Applications
- Signal Processing: Ideal for various signal processing tasks due to its high-speed processing capabilities.
- Telecommunications: Suitable for telecommunications applications requiring real-time signal processing.
- Audio and Video Processing: Used in audio and video compression, decompression, and other multimedia applications.
- Industrial Control: Can be used in industrial control systems for real-time data processing and control.
- Medical Devices: Applicable in medical devices that require high-speed signal processing, such as in imaging and diagnostic equipment.
Q & A
- What is the TMS320C51PZ80?
The TMS320C51PZ80 is a 16-bit digital signal processor from Texas Instruments, part of the TMS320C5x generation.
- What is the instruction execution time of the TMS320C51PZ80?
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.
- What is the maximum addressable external memory of the TMS320C51PZ80?
The maximum addressable external memory is 224K × 16-Bit (64K Program, 64K Data, 64K I/O, and 32K Global).
- What are the on-chip memory options for the TMS320C51PZ80?
The device includes on-chip program ROM, SARAM, DARAM, and various serial ports.
- Does the TMS320C51PZ80 support low power modes?
Yes, it features power-down modes such as IDLE1, IDLE2, and Clocks Off to minimize power consumption.
- What are the packaging options for the TMS320C51PZ80?
The device is available in 100-Pin Quad Flat Package (PJ Suffix) and 100-Pin Thin Quad Flat Package (PZ Suffix).
- Is the TMS320C51PZ80 compatible with earlier TMS320 DSPs?
Yes, the source code for earlier TMS320C1x and TMS320C2x DSPs is upward-compatible with the TMS320C51PZ80.
- What are some common applications of the TMS320C51PZ80?
Common applications include signal processing, telecommunications, audio and video processing, industrial control, and medical devices.
- Does the TMS320C51PZ80 support boundary scan and emulation logic?
Yes, it supports IEEE Standard 1149.1 Test-Access Port (JTAG) and on-chip scan-based emulation logic.
- What is the significance of the Host Port Interface in the TMS320C51PZ80?
The Host Port Interface facilitates communication with host systems, enabling efficient data transfer and control.
