TMS320P25PH - 16-Bit 40.96MHz DSP | Texas Instruments
部品番号: TMS320P25PH ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
TMS320P25PH 概要
A digital signal processor, or DSP, is a semiconductor optimized to execute mathematical operations on streams of sampled or rapidly changing data. Its architecture belongs to the processor hierarchy and can accelerate filtering, modulation, control, signal analysis, and embedded audio workloads compared with a general-purpose processor performing the same work. The TMS320P25 family combines a 16-bit arithmetic engine, dedicated memory resources, external memory interfaces, and peripheral functions for real-time signal processing.
The verified product information identifies the TMS320P25PH as a 16-bit fixed-point DSP rated up to 40.96 MHz. Its address and data paths are both 16 bits wide, and its 544-word internal data RAM reduces the need to access external memory for suitable working sets. The commercial temperature grade, 80 gull-wing terminals, rectangular QFP form, and terminal count are explicitly associated with the PH ordering information in the verified listings.
The device is relevant to communications, industrial control, instrumentation, audio, and embedded signal-processing systems where predictable fixed-point execution and direct access to processor and peripheral resources are important. Unlike a microcontroller selected primarily for general-purpose control, this part is purpose-built for high-throughput digital signal-processing tasks. Its architecture also differs from an FPGA or CPLD, which would implement functions through programmable logic rather than execute instructions from a DSP architecture.
When laying out a system, engineers must preserve the verified 80-terminal QFP footprint and compare the complete pin assignment, supply requirements, clock method, memory interface, and peripheral configuration before substitution. Bus timing, initialization software, external memories, and interrupt behavior are equally important because a package match alone does not establish complete system compatibility.
This page consolidates the verified distributor and manufacturer-linked facts for TMS320P25PH, including the 40.96 MHz maximum clock, 16-bit buses, 544-word RAM, QFP package information, sourcing context, and data gaps. It also distinguishes published facts from parameters that still require confirmation from the complete manufacturer datasheet before a new design is released.
ドロップイン代替品: TMS320P25PH — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
この製品に利用可能なドロップイン代替品はありません。
代替品をリクエストTMS320P25PH 仕様
| Product Type | 16-bit fixed-point digital signal processor |
| 最大クロック周波数 | 40.96 MHz |
| Address Bus Width | 16 bit |
| External Data Bus Width | 16 bit |
| On-Chip Data RAM | 544 words |
| Number of Terminals | 80 terminals |
| Package Code | QFP |
| Package Shape | Rectangular |
| Terminal Form | Gull wing |
| Temperature Grade | Commercial |
| 実装タイプ | Surface mount |
| Processor Family | TMS320 VLSI digital signal processor family |
| Arithmetic Format | 16-bit fixed point |
| Datasheet Page Count | 48 pages |
| Listed Datasheet File Size | 763 kB |
TMS320P25PH rectangular ピン配置ガイド
TMS320P25PH (rectangular パッケージ) のピン配置。 ピン番号、機能、接続図はメーカーのデータシートで定義されています。正確なフットプリントとはんだ付けのガイドラインについては、データシートを参照してください。
詳細なピン配置データはありません: TMS320P25PH.
詳細は データシート をご参照ください。
主な用途
TMS320P25PH の用途: 6 件s: Digital Communications Signal Processing, Industrial Control and Measurement, Audio Signal Conditioning, Instrumentation and Sensor Processing, Power and Motion Control, Data Acquisition and Embedded Processing.
Digital Communications Signal Processing
TMS320P25PH fits fixed-point communications processing that benefits from a dedicated DSP running up to 40.96 MHz with 16-bit address and external data buses. The processor can support real-time filtering, modulation, demodulation, symbol processing, or control functions when its arithmetic throughput and memory interface satisfy the system workload. Its 544-word on-chip data RAM provides an internal working area, while external bus access permits larger system storage when required. Design validation must still confirm memory timing, peripherals, clocking, and throughput against the full datasheet.
おすすめ
Industrial Control and Measurement
The TMS320P25PH is appropriate for fixed-point control, measurement, and signal-conditioning workloads where deterministic digital signal processing is more important than general-purpose control versatility. Its 40.96 MHz maximum clock and 16-bit architecture can process sampled control inputs while external buses support connected memory or peripheral hardware. The 544-word on-chip data RAM is useful for temporary working data, although capacity-sensitive systems must verify available RAM organization. Production selection also requires confirmation of operating-temperature, supply-voltage, and interrupt requirements.
おすすめ
Audio Signal Conditioning
TMS320P25PH can serve as the digital processing core in an audio signal-conditioning path using its 16-bit fixed-point architecture and maximum 40.96 MHz clock. Potential roles include real-time filtering, mixing-related arithmetic, dynamic processing, or analysis, subject to the device's verified instruction set and peripherals. Its external 16-bit data bus can support system memory access, while 544 words of on-chip data RAM can support temporary processing buffers. Engineers must confirm supported audio peripherals, sampling interfaces, latency, and memory bandwidth in the complete datasheet.
おすすめ
Instrumentation and Sensor Processing
TMS320P25PH is suited to embedded instrumentation that must transform sampled sensor information through fixed-point calculations. At up to 40.96 MHz, it can implement filtering, scaling, calibration, feature extraction, or real-time compensation when workload analysis confirms sufficient cycles. The 16-bit buses support external data movement, and the 544-word internal data RAM can hold active data or intermediate results. A practical design must account for sensor conversion time, buffering, numerical headroom, control latency, and the datasheet's unverified supply and timing parameters.
おすすめ
Power and Motion Control
TMS320P25PH can participate in power or motion-control systems when control calculations, sampling, and signal transformations fit a 16-bit fixed-point DSP architecture. Its maximum 40.96 MHz clock provides a defined upper operating point, while parallel external buses support deterministic access to data and program storage. The processor may implement filtering or compensation around an actuator-control loop, but it does not replace power semiconductors, gate drivers, or analog feedback conditioning. Confirm execution-time margins, interrupt latency, peripheral availability, and safety requirements before architecture approval.
おすすめ
Data Acquisition and Embedded Processing
TMS320P25PH can serve as a dedicated embedded processing engine downstream of converters in a data-acquisition system. Its 16-bit external data bus and 40.96 MHz maximum clock suit parallel data movement and deterministic arithmetic, while 544 words of on-chip data RAM can support active acquisition buffers. The design should allocate fixed-point range and scale carefully, define DMA or interrupt behavior only after datasheet verification, and ensure acquisition timing does not exceed processor capacity. External memory architecture, converter interfaces, and board-level signal integrity must be evaluated separately.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: TMS320P25PH — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 |
|---|---|
| Brand | Texas Instruments |
| Package | 80-terminal rectangular QFP with gull-wing leads |
| Product Type | 16-bit fixed-point digital signal processor |
| Maximum Clock Frequency | 40.96 MHz |
| Address Bus Width | 16 bit |
| External Data Bus Width | 16 bit |
| On-Chip Data RAM | 544 words |
| Temperature Grade | Commercial |
主な差別化要因
- Verified legacy fixed-point processing identity （vs TMS320C6748EZWT4)
- Directly documented on-chip working memory （vs TMS320C6748EZWT4)
- Parallel external data path （vs TMS320C6748EZWT4)
設計ノート
Do not treat a package-family member or another digital signal processor as a drop-in replacement without comparing every terminal, supply rail, bus timing signal, interrupt, memory-map, clock, peripheral, and software requirement. The verified evidence establishes an 80-terminal QFP identity, but it does not provide the complete pin table. Before schematic capture, PCB layout, or substitution approval, cross-check the exact orderable MPN against the full manufacturer datasheet and any applicable product change notices.
Design the external memory and data-bus paths as synchronous or timing-sensitive interfaces only after obtaining the complete electrical and timing specifications. Keep traces short where the processor specification permits, preserve the required topology, and place support components according to the manufacturer guidance. A 16-bit external data bus does not itself guarantee adequate bandwidth; address decoding, bus contention, ready or wait behavior, memory speed, and clock phase must all be verified from authoritative documentation.
Estimate processor and memory power only after obtaining the verified supply voltages, active current, clock-dependent power data, and thermal limits. The supplied snippets do not provide those electrical values, so calculating or publishing a thermal design would require unsupported assumptions. During schematic development, reserve adequate routing and decoupling according to the complete datasheet, then validate startup current, rail sequencing, signal integrity, and temperature rise on prototype hardware.
Validate clock and external-memory timing on the assembled PCB rather than relying only on nominal processor frequency. The verified maximum clock is 40.96 MHz, but edge rate, load, board topology, source-device timing, and margin determine whether that rate is usable. Probe the relevant clock and bus signals, check ringing and overshoot, and confirm that external memory and address-decoding timing satisfy worst-case conditions before freezing the layout.
コンプライアンス情報
The supplied results do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Commercial temperature grade does not imply any compliance declaration.
