TMS320LC50PQ57
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Texas Instruments TMS320LC50PQ57

Manufacturer No:
TMS320LC50PQ57
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC DSP 132-BQFP
Delivery:
Payment:
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Product Introduction

Overview

The TMS320LC50PQ57 is a digital signal processor (DSP) from Texas Instruments, part of the TMS320C5x family. This processor is designed to provide high-performance processing capabilities for various signal processing applications. The TMS320LC50PQ57 is fabricated using advanced static CMOS technology, which enhances its performance, power efficiency, and radiation tolerance. Although the device is now obsolete and not recommended for new designs, it remains significant for legacy systems and educational purposes.

Key Specifications

Specification Value
Manufacturer Texas Instruments
Part Number TMS320LC50PQ57
Instruction Execution Time 25, 40, 50 ns (for 3-V operation)
Package Type 132-Pin Quad Flat Package (PQFP)
Package Dimensions 24.13 mm (Width), 27.44 mm (Length), 3.56 mm (Thickness)
Pin Count 132
On-Chip Memory 2K, 4K, 8K, 16K × 16-Bit Single-Access On-Chip Program ROM
External Memory Space 224K × 16-Bit Maximum Addressable External Memory
Power Consumption 23 mA (1.15 mA/MIP) at 3 V, 40-MHz Clock (Average)
Power-Down Modes IDLE1, IDLE2, Clocks Off
RoHS Compliance Not Compliant

Key Features

  • High-Performance CPU: The TMS320LC50PQ57 features a powerful 16-bit fixed-point CPU with single-cycle instruction execution times of 25, 40, and 50 ns for 3-V operation.
  • Advanced Harvard Architecture: The processor is based on an advanced Harvard architecture, which includes on-chip peripherals, on-chip memory, and a highly specialized instruction set.
  • Low Power Dissipation: It offers low power dissipation with various power-down modes such as IDLE1, IDLE2, and Clocks Off, making it energy-efficient.
  • IEEE Standard 1149.1 Test-Access Port (JTAG): The device includes a JTAG interface for testing and debugging purposes.
  • High-Speed Arithmetic: The processor supports single-cycle 16 × 16-bit multiply/add operations, enhancing its computational capabilities).

Applications

  • Telecommunications: The TMS320LC50PQ57 is widely used in telecommunications applications, including digital cell systems, speech synthesis, error-correction coding, base-band modulation and demodulation, and channel estimation.
  • DTMF Decoding: It is used in improving 32-channel DTMF decoders in PBX systems, enhancing system performance and flexibility).
  • Sound and Fax/Modem Applications: The processor is suitable for PCMCIA media cards used in sound and fax/modem applications, providing system architecture and operational examples).
  • General Signal Processing: The TMS320LC50PQ57 can be used in various general signal processing tasks due to its high-performance and specialized instruction set).

Q & A

  1. What is the TMS320LC50PQ57?

    The TMS320LC50PQ57 is a 16-bit fixed-point digital signal processor from Texas Instruments, part of the TMS320C5x family.

  2. What are the instruction execution times for the TMS320LC50PQ57?

    The instruction execution times are 25, 40, and 50 ns for 3-V operation.

  3. What type of package does the TMS320LC50PQ57 use?

    The processor uses a 132-Pin Quad Flat Package (PQFP).

  4. What is the maximum addressable external memory space for the TMS320LC50PQ57?

    The maximum addressable external memory space is 224K × 16-Bit.

  5. What are the power-down modes available for the TMS320LC50PQ57?

    The power-down modes include IDLE1, IDLE2, and Clocks Off.

  6. Is the TMS320LC50PQ57 RoHS compliant?

    No, the TMS320LC50PQ57 is not RoHS compliant.

  7. What are some common applications of the TMS320LC50PQ57?

    Common applications include telecommunications, DTMF decoding, sound and fax/modem applications, and general signal processing.

  8. What is the significance of the Harvard architecture in the TMS320LC50PQ57?

    The Harvard architecture includes on-chip peripherals, on-chip memory, and a highly specialized instruction set, enhancing performance and versatility.

  9. How does the TMS320LC50PQ57 support testing and debugging?

    The device includes an IEEE Standard 1149.1 Test-Access Port (JTAG) for testing and debugging purposes.

  10. What is the current status of the TMS320LC50PQ57 in terms of production and new designs?

    The TMS320LC50PQ57 is obsolete and not recommended for new designs.

Product Attributes

Type:Fixed Point
Interface:Serial Port
Clock Rate:57MHz
Non-Volatile Memory:ROM (4kB)
On-Chip RAM:20kB
Voltage - I/O:3.30V
Voltage - Core:3.30V
Operating Temperature:0°C ~ 70°C (TA)
Mounting Type:Surface Mount
Package / Case:132-BQFP Bumpered
Supplier Device Package:132-BQFP (24.54x24.54)
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Similar Products

Part Number TMS320LC50PQ57 TMS320LC50PQ50
Manufacturer Texas Instruments Texas Instruments
Product Status Obsolete Obsolete
Type Fixed Point Fixed Point
Interface Serial Port Serial Port
Clock Rate 57MHz 50MHz
Non-Volatile Memory ROM (4kB) ROM (4kB)
On-Chip RAM 20kB 20kB
Voltage - I/O 3.30V 3.30V
Voltage - Core 3.30V 3.30V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 132-BQFP Bumpered 132-BQFP Bumpered
Supplier Device Package 132-BQFP (24.54x24.54) 132-BQFP (24.54x24.54)

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