Overview
The TMS320C25FNL50 is a second-generation digital signal processor (DSP) from Texas Instruments, part of the TMS320C25 series. This device is processed in CMOS technology and is known for its high-speed performance and advanced features. It is architecturally identical to the TMS320C25 but operates at a faster instruction cycle time of less than 80 ns. The TMS320C25FNL50 is packaged in a 68-pin Plastic Leaded Chip Carrier (PLCC) and is designed for various digital signal processing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TMS320C25FNL50 |
| Series | TMS320C25-50 |
| Instruction Cycle Time | < 80 ns |
| Package Type | 68-Pin PLCC |
| Supply Voltage | Single 5-V |
| On-Chip Data RAM | 544 words (16-bit) |
| On-Chip Program ROM | 4K words |
| Total Memory Space | 128K words (program/data) |
| Lifecycle Status | Obsolete |
| RoHS Compliance | Not Compliant |
Key Features
- High-Speed Operation: Instruction cycle time of less than 80 ns.
- CMOS Technology: Low power dissipation.
- On-Chip Memory: 544 words of on-chip data RAM and 4K words of on-chip program ROM.
- Instruction Set: 133 instructions, including 24 additional instructions for adaptive filtering, FFTs, and extended-precision arithmetic.
- Auxiliary Registers: Eight auxiliary registers with a dedicated arithmetic unit.
- Serial Port: Double-buffered serial port for communication.
- Timer and Interrupts: Memory-mapped 16-bit timer and multiple interrupt inputs.
- Memory Management: Dynamic configuration of memory maps through software using CNFD and CNFP instructions.
- Repeat Feature: Allows a single instruction to be performed up to 256 times, effectively making multicycle instructions single-cycle.
Applications
- Digital Signal Processing: Ideal for applications requiring high-speed DSP such as audio processing, image processing, and telecommunications.
- Embedded Systems: Suitable for use in embedded systems that require advanced signal processing capabilities.
- Industrial Control Systems: 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 medical imaging and diagnostics.
Q & A
- What is the instruction cycle time of the TMS320C25FNL50?
The instruction cycle time of the TMS320C25FNL50 is less than 80 ns.
- What type of package does the TMS320C25FNL50 use?
The TMS320C25FNL50 is packaged in a 68-pin Plastic Leaded Chip Carrier (PLCC).
- Is the TMS320C25FNL50 RoHS compliant?
No, the TMS320C25FNL50 is not RoHS compliant.
- What is the total on-chip data RAM of the TMS320C25FNL50?
The TMS320C25FNL50 has 544 words of on-chip data RAM.
- Does the TMS320C25FNL50 have a built-in timer?
Yes, the TMS320C25FNL50 has a memory-mapped 16-bit timer.
- Can the TMS320C25FNL50 be used with slower external memory?
Yes, the TMS320C25FNL50 can be used with slower external memory using the READY line to interface.
- What is the lifecycle status of the TMS320C25FNL50?
The TMS320C25FNL50 is obsolete and no longer manufactured.
- Does the TMS320C25FNL50 support serial communication?
Yes, the TMS320C25FNL50 has a double-buffered serial port.
- How many auxiliary registers does the TMS320C25FNL50 have?
The TMS320C25FNL50 has eight auxiliary registers.
- What is the repeat feature of the TMS320C25FNL50?
The repeat feature allows a single instruction to be performed up to 256 times, making multicycle instructions effectively single-cycle).
