Overview
The TMS320LBC51PQA57 is a digital signal processor (DSP) from Texas Instruments, part of the TMS320C5x family. Introduced in April 1995, this device is designed for high-performance signal processing applications. It features a 16-bit fixed-point CPU with advanced Harvard architecture, which enhances its operational flexibility and speed. The processor operates at a maximum clock frequency of 57 MHz, achieving up to 28.5 million instructions per second (MIPS).
Key Specifications
| Specification | Value |
|---|---|
| Maximum Clock Frequency | 57 MHz |
| Package / Case | 132-Pin BQFP |
| Program Memory Size | Up to 8K × 16-Bit On-Chip Program ROM |
| Data Memory Size | Up to 1K × 16-Bit On-Chip Program/Data RAM (SARAM) and 1K Dual-Access On-Chip Program/Data RAM (DARAM) |
| External Memory Space | 224K × 16-Bit Maximum Addressable External Memory Space |
| 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 | IDLE1: 10 mA at 5 V, 40-MHz Clock; IDLE2: 3 mA at 5 V, 40-MHz Clock; Clocks Off: 5 µA at 5 V |
| Instruction Execution Time | Single-Cycle 16 × 16-Bit Multiply/Add; 20-, 25-, 35-, and 50-ns Single-Cycle Instruction Execution Time for 5-V Operation |
Key Features
- Advanced Harvard Architecture: Enhances operational flexibility and speed.
- On-Chip Peripherals: Includes full-duplex synchronous serial port, time-division-multiplexed (TDM) serial port, and on-chip timer.
- On-Chip Memory: Up to 8K × 16-Bit On-Chip Program ROM and 1K × 16-Bit On-Chip Program/Data RAM (SARAM) and DARAM.
- High-Performance Instruction Set: Supports single-cycle 16 × 16-bit multiply/add and repeat instructions for efficient use of program space.
- Multiple Phase-Locked Loop (PLL) Clocking Options: Offers ×1, ×2, ×3, ×4, ×5, and ×9 clocking options.
- Low Power Dissipation and Power-Down Modes: Includes IDLE1, IDLE2, and clocks off modes for reduced power consumption.
- IEEE Standard 1149.1 Test-Access Port (JTAG): For boundary scan and emulation logic.
Applications
The TMS320LBC51PQA57 is suitable for a variety of high-performance signal processing applications, including:
- Audio Processing: Real-time audio encoding, decoding, and filtering.
- Image Processing: Image compression, enhancement, and analysis.
- Industrial Control: High-speed data acquisition and control in industrial automation.
- Medical Devices: Real-time signal processing in medical imaging and diagnostic equipment.
- Telecommunications: Voice and data communication systems requiring high-speed signal processing.
Q & A
- What is the maximum clock frequency of the TMS320LBC51PQA57?
The maximum clock frequency is 57 MHz.
- What type of package does the TMS320LBC51PQA57 come in?
The device is packaged in a 132-Pin BQFP.
- How much on-chip program memory does the TMS320LBC51PQA57 have?
It has up to 8K × 16-Bit On-Chip Program ROM.
- What are the power consumption modes of the TMS320LBC51PQA57?
The device has IDLE1, IDLE2, and clocks off modes for reduced power consumption.
- Does the TMS320LBC51PQA57 support boundary scan?
Yes, it supports IEEE Standard 1149.1 Test-Access Port (JTAG) for boundary scan and emulation logic.
- What is the maximum addressable external memory space for the TMS320LBC51PQA57?
The maximum addressable external memory space is 224K × 16-Bit.
- What are some common applications of the TMS320LBC51PQA57?
Common applications include audio processing, image processing, industrial control, medical devices, and telecommunications.
- How does the TMS320LBC51PQA57 handle serial communication?
The device includes full-duplex synchronous serial port and time-division-multiplexed (TDM) serial port.
- What is the instruction execution time for the TMS320LBC51PQA57?
The device supports single-cycle instruction execution with times as low as 20-, 25-, 35-, and 50-ns for 5-V operation.
- Does the TMS320LBC51PQA57 have on-chip timers?
Yes, it includes an on-chip timer for control operations.
