TMS320C25FNL33
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Texas Instruments TMS320C25FNL33

Manufacturer No:
TMS320C25FNL33
Manufacturer:
Texas Instruments
Package:
Bulk
Description:
DIGITAL SIGNAL PROCESSOR, 16-BIT
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The TMS320C25FNL33, produced by Texas Instruments, is a member of the second-generation TMS320 family of digital signal processors (DSPs). This device combines the flexibility of a high-speed controller with the numerical capability of an array processor, offering an efficient alternative to multichip bit-slice processors. The TMS320C25 is processed in CMOS technology, which provides low power dissipation and enhanced performance. It is pin-for-pin and object-code compatible with the TMS32020, ensuring seamless integration into existing systems.

Key Specifications

Specification Value
Instruction Cycle Time 100 ns (TMS320C25), 80 ns (TMS320C25-50)
On-Chip Data RAM 544 words
On-Chip Program ROM/EPROM 4K words (ROM for TMS320C25, EPROM for TMS320E25)
Total Program/Data Memory Space 128K words
ALU/Accumulator 32-bit
Multiplier 16 × 16-bit with a 32-bit product
Packaging 68-Pin PGA, PLCC, and CER-QUAD
Operating Temperature Range -40°C to 85°C
Supply Voltage Single 5-V supply

Key Features

  • Enhanced instruction set with 133 instructions, including single-cycle multiply/accumulate instructions and block moves for data/program management.
  • Eight auxiliary registers with a dedicated arithmetic unit.
  • Bit-reversed indexed-addressing mode for radix-2 FFTs.
  • Double-buffered serial port for direct codec interface.
  • On-chip timer for control operations.
  • Synchronization input for synchronous multiprocessor configurations.
  • Wait states for communication to slow off-chip memories/peripherals.
  • 68-to-28 pin conversion adapter socket for EPROM programming.
  • Internal security mechanism (for TMS320E25).

Applications

The TMS320C25 is designed for a wide range of digital signal processing applications, including:

  • Adaptive filtering
  • Fast Fourier Transforms (FFTs)
  • Extended-precision arithmetic
  • Audio and speech processing
  • Image processing
  • Control systems
  • Multiprocessor configurations

Q & A

  1. What is the instruction cycle time of the TMS320C25?

    The instruction cycle time of the TMS320C25 is 100 ns, while the high-speed version TMS320C25-50 has an instruction cycle time of less than 80 ns.

  2. How much on-chip data RAM does the TMS320C25 have?

    The TMS320C25 has 544 words of on-chip data RAM.

  3. What type of multiplier does the TMS320C25 feature?

    The TMS320C25 features a 16 × 16-bit multiplier with a 32-bit product.

  4. Is the TMS320C25 compatible with other TMS320 models?

    Yes, the TMS320C25 is pin-for-pin and object-code compatible with the TMS32020.

  5. What are the packaging options for the TMS320C25?

    The TMS320C25 is available in 68-Pin PGA, PLCC, and CER-QUAD packages.

  6. Does the TMS320C25 support multiprocessor configurations?

    Yes, the TMS320C25 has synchronization inputs for synchronous multiprocessor configurations.

  7. What is the operating temperature range of the TMS320C25?

    The operating temperature range of the TMS320C25 is -40°C to 85°C.

  8. Does the TMS320C25 have an on-chip timer?

    Yes, the TMS320C25 features an on-chip timer for control operations.

  9. Is there an EPROM version of the TMS320C25?

    Yes, the TMS320E25 is an EPROM version of the TMS320C25, allowing for real-time code development and modification.

  10. What is the supply voltage requirement for the TMS320C25?

    The TMS320C25 requires a single 5-V supply.

Product Attributes

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Clock Rate:- 
Non-Volatile Memory:- 
On-Chip RAM:- 
Voltage - I/O:- 
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