TMS320P15NA - 20.5MHz Fixed-Point DSP | Texas Instruments
料号： TMS320P15NA ✗ 停产| 数量 | 单价 | 小计 |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TMS320P15NA 概述
A digital signal processor, or DSP, is a semiconductor optimized for arithmetic operations on continuously sampled or streamed data. In the broader hierarchy, a DSP belongs to embedded processors and signal-processing semiconductors, while this part belongs to the fixed-point processor category. Fixed-point architecture uses integer representations to support efficient multiplication, accumulation, filtering, control, and modulation algorithms with reproducible numeric behavior.
The TMS320P15NA provides 16-bit fixed-point processing at 20.5 MHz, with the verified distributor listing reporting 5 MIPS performance. Its architecture is positioned for embedded audio, communications, control, and instrumentation workloads. The processor also belongs to a family described as object-code compatible across TMS320C1x devices, which can simplify software migration when system requirements change within the supported family.
The 40-pin PDIP package provides a through-hole footprint suited to prototyping, legacy industrial equipment, educational platforms, and repair assemblies. Vyrian identifies the device as an industrial-temperature-grade, through-hole DIP part with 40 terminals. The package is not a compact surface-mount solution, so board area and mechanical compatibility should be checked before substitution. Because the verified data does not provide a complete current pin map or detailed electrical limits, those parameters must be confirmed against the manufacturer datasheet before hardware release.
Typical uses include real-time filtering, signal analysis, embedded communications, industrial control, audio processing, and instrumentation. In an audio path, the fixed-point DSP can perform sample-rate conversion or filtering; in a communications design, it can support modulation, demodulation, and error-processing functions. The 20.5 MHz clock and 16-bit fixed-point format make the part most relevant where deterministic arithmetic and legacy TMS320 software compatibility are more important than compactness or low power.
The principal design consideration is verification of the complete legacy interface. The supplied sources do not state the full pin assignment, memory organization, supply voltage, peripheral set, or thermal limits in a form suitable for a new PCB design. Confirm those items in the TMS320P15 datasheet and validate clock, memory, reset, and interface timing. This page combines verified distributor descriptions, packaging information, and practical selection guidance rather than inventing unavailable specifications.
TMS320P15NA 规格参数
| Product Type | Fixed-point digital signal processor (DSP) |
| Architecture | 16-bit fixed-point |
| Clock Frequency | 20.5 MHz |
| Processing Performance | 5 MIPS |
| 封装 | 40-pin PDIP |
| 安装类型 | Through-hole |
| Temperature Grade | Industrial |
| Terminal Count | 40 terminals |
| Package Code | DIP |
| Package Shape | Rectangular |
| Object-Code Compatibility | TMS320C1x devices |
| Manufacturer | Texas Instruments |
| Product Category | Digital signal processor |
TMS320P15NA rectangular 引脚配置指南
TMS320P15NA（rectangular 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： TMS320P15NA.
请参阅 数据手册 以查看完整引脚配置。
典型应用
TMS320P15NA 适用于 6 应用s: Legacy Audio Filtering, Industrial Control Signal Processing, Communications Modulation, Instrumentation and Measurement, Legacy Control-System Retrofit, Educational DSP Training Platform.
Legacy Audio Filtering
The TMS320P15NA can serve as a fixed-point audio-processing controller in a legacy 16-bit signal path. Its 20.5 MHz operating frequency and reported 5 MIPS performance provide arithmetic capacity for filtering, gain control, and other real-time operations. The part is most appropriate when an existing TMS320C1x-compatible software environment and a 40-pin PDIP footprint are available. The verified data does not identify a dedicated audio codec interface, so the external converter, clocking, and serial connections must be verified separately. Use the processor for deterministic integer-based tasks rather than assuming unsupported floating-point behavior.
推荐
Industrial Control Signal Processing
TMS320P15NA is applicable to legacy industrial control systems that require real-time fixed-point arithmetic for sensor conditioning, feedback calculations, or actuator control. The verified distributor information identifies an industrial temperature grade, while the 20.5 MHz clock and 16-bit architecture support deterministic signal-processing tasks. The processor should be placed where the system already supports its legacy memory and bus architecture. Because supply voltage, exact temperature limits, timer resources, and I/O details are not provided in the verified data, engineers must check the manufacturer datasheet before selecting regulators, protection components, and PCB interfaces.
推荐
Communications Modulation
The TMS320P15NA can be evaluated for legacy communications signal-processing functions where fixed-point multiply-accumulate operations and TMS320C1x object-code compatibility are useful. Its reported 16-bit architecture and 20.5 MHz frequency may support filtering, modulation, demodulation, or bit-stream processing when the required algorithm fits within the available throughput. The verified sources do not specify UART, SPI, CODEC, or other communications peripherals, so no interface should be assumed. Use the datasheet to confirm clock domains, serial signaling, memory access, and timing before connecting external communications hardware.
推荐
Instrumentation and Measurement
TMS320P15NA may fit instrumentation designs that acquire or condition sampled data using deterministic fixed-point arithmetic. The device's 16-bit format and 20.5 MHz operating frequency can support calculation-heavy measurement routines in legacy embedded equipment. A practical design would pair the DSP with an external converter or input interface, then validate signal range, sampling method, and timing. The supplied data does not identify converter inputs, ADC functions, memory capacity, or trigger features, so those details remain unverified. Prototype testing and datasheet review are required before using the part in new precision-measurement equipment.
推荐
Legacy Control-System Retrofit
TMS320P15NA is useful in a retrofit strategy when an existing system already contains the processor and its associated software, memory, and board geometry. Replacing it with a modern surface-mount DSP can require changes to package footprint, clocking, supply, memory interface, and software startup code. The verified data confirms a 40-pin through-hole PDIP package, making the original part mechanically convenient for older industrial or educational boards. Before ordering replacements, compare every pin, supply requirement, and peripheral function. If no original unit is available, obtain a manufacturer-approved equivalent rather than assuming another TMS320 model is interchangeable.
推荐
Educational DSP Training Platform
The TMS320P15NA can support an educational fixed-point DSP platform because the verified sources identify a 20.5 MHz, 16-bit, 40-pin PDIP device. The through-hole package is accessible for prototyping and replacement in older laboratory hardware. Students can use it to study real-time filtering, multiply-accumulate operations, fixed-point scaling, and TMS320C1x software practices. Because the supplied data does not provide the complete pinout or peripheral map, instructors should pair it with a verified system board or official documentation. Do not infer memory, serial, or timer resources from other TMS320 models.
推荐
工程参考数据： TMS320P15NA ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Package | 40-pin PDIP |
| Brand | Texas Instruments |
| Product Type | Fixed-point digital signal processor |
| Architecture | 16-bit fixed-point |
| Clock Frequency | 20.5 MHz |
| Processing Performance | 5 MIPS |
| Temperature Grade | Industrial |
| Mounting Type | Through-hole |
| Object-Code Compatibility | TMS320C1x devices |
关键差异点
- Fixed-point processing architecture （对比 TMS320F28377DPTPT)
- Through-hole legacy package （对比 TMS320F28377DPTPT)
- 20.5 MHz legacy processor identity （对比 TMS320F28377DPTPT)
设计说明
Do not assume that all TMS320-family processors are interchangeable. The verified data states object-code compatibility for TMS320C1x devices, but package, pin assignment, supply, memory, peripheral, and timing differences can still prevent a hardware drop-in. Obtain the TMS320P15NA datasheet, compare each package pin, and confirm the startup and memory map before substitution or board reuse.
The TMS320P15NA uses a verified 40-pin through-hole PDIP package, so preserve the original DIP footprint, pin numbering, and board spacing when repairing an existing design. Check pin-one orientation against the package drawing and the board silkscreen. The supplied data does not provide the complete pin map, so no new PCB layout should be released until the manufacturer pin-description table is obtained.
Treat clock and interface timing as unverified design constraints until the manufacturer electrical characteristics are available. The reported 20.5 MHz clock does not by itself establish permissible trace lengths, loading, levels, or timing margins. Use the datasheet's recommended clocking and interface conditions, provide appropriate decoupling according to those requirements, and validate waveforms and bus timing on hardware before production.
合规信息
The verified search data identifies industrial temperature grade and a through-hole 40-pin PDIP package but does not provide RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations.
