Overview
The TMS320LBC51PZA is a digital signal processor (DSP) from Texas Instruments, part of the TMS320C5x family. This processor is designed to offer high performance and versatility in various digital signal processing applications. Fabricated with advanced static CMOS technology, it inherits the architectural design of earlier TI DSPs, such as the TMS320C25, but with significant enhancements.
The TMS320LBC51PZA is particularly noted for its powerful 16-bit CPU, capable of executing up to 50 million instructions per second (MIPS). It features a modified Harvard architecture, which allows for separate program and data memory spaces, enhancing speed and flexibility. The device is also upward-compatible with source code from earlier 'C1x and 'C2x DSPs, making it a seamless upgrade for existing systems.
Key Specifications
| Specification | Details |
|---|---|
| Processor Type | 16-Bit Digital Signal Processor |
| 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, 8K, or 16K × 16-Bit Single-Access On-Chip Program ROM; 544 words of on-chip RAM |
| External Memory Space | 224K × 16-Bit Maximum Addressable External Memory Space (64K Program, 64K Data, 64K I/O, and 32K Global) |
| Power Consumption | 47 mA (2.35 mA/MIP) at 5 V, 40-MHz Clock (Average); 23 mA (1.15 mA/MIP) at 3 V, 40-MHz Clock (Average) |
| Power-Down Modes | 10 mA at 5 V, 40-MHz Clock (IDLE1 Mode); 3 mA at 5 V, 40-MHz Clock (IDLE2 Mode); 5 µA at 5 V, Clocks Off (IDLE2 Mode) |
| Package Type | 100-Pin Quad Flat Package (PQ Suffix) |
| Test-Access Port | IEEE Standard 1149.1 JTAG Test-Access Port |
Key Features
- High-Performance CPU: Capable of executing up to 50 million instructions per second (MIPS) with single-cycle instruction execution times.
- Advanced Harvard Architecture: Allows for separate program and data memory spaces, enhancing speed and flexibility.
- On-Chip Peripherals and Memory: Includes on-chip program ROM, RAM, and integrated peripherals such as serial ports and timers.
- Low Power Dissipation: Offers various power-down modes to reduce power consumption, making it suitable for battery-powered applications.
- Upward Compatibility: Source code from earlier 'C1x and 'C2x DSPs is upward compatible with the TMS320LBC51PZA.
- JTAG Test-Access Port: Supports IEEE Standard 1149.1 for boundary scan and in-circuit debugging.
Applications
The TMS320LBC51PZA is versatile and can be used in a wide range of digital signal processing applications, including:
- Telecommunications: For tasks such as echo cancellation, voice compression, and DTMF decoding.
- Audio Processing: For applications like audio filtering, equalization, and compression.
- Image Processing: For image filtering, transformation, and other image processing tasks.
- Industrial Control: For control systems that require real-time signal processing.
- Medical Devices: For signal processing in medical equipment such as ECG and EEG machines.
Q & A
- What is the TMS320LBC51PZA?
The TMS320LBC51PZA is a 16-bit digital signal processor from Texas Instruments, part of the TMS320C5x family.
- What is the instruction execution time of the TMS320LBC51PZA?
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 TMS320LBC51PZA have?
The device has 1K, 8K, or 16K × 16-Bit Single-Access On-Chip Program ROM and 544 words of on-chip RAM.
- What is the maximum addressable external memory space for the TMS320LBC51PZA?
The maximum addressable external memory space is 224K × 16-Bit, divided into 64K Program, 64K Data, 64K I/O, and 32K Global memory spaces.
- What are the power consumption characteristics of the TMS320LBC51PZA?
The device consumes 47 mA (2.35 mA/MIP) at 5 V, 40-MHz Clock (Average) and 23 mA (1.15 mA/MIP) at 3 V, 40-MHz Clock (Average).
- Does the TMS320LBC51PZA support power-down modes?
Yes, it supports various power-down modes, including IDLE1 and IDLE2 modes, reducing power consumption to as low as 5 µA at 5 V with clocks off.
- What type of package does the TMS320LBC51PZA come in?
The device is available in a 100-Pin Quad Flat Package (PQ Suffix).
- Does the TMS320LBC51PZA support JTAG for debugging?
Yes, it supports the IEEE Standard 1149.1 JTAG Test-Access Port for boundary scan and in-circuit debugging.
- Is the TMS320LBC51PZA compatible with earlier DSPs?
Yes, the source code from earlier 'C1x and 'C2x DSPs is upward compatible with the TMS320LBC51PZA.
- What are some common applications of the TMS320LBC51PZA?
Common applications include telecommunications, audio processing, image processing, industrial control, and medical devices.
