DSP56321VL220557 - 24-Bit DSP, 220MHz, MAPBGA-196 | NXP
部品番号: DSP56321VL220557 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.6475 | $2.65 |
| 10 | $2.3828 | $23.83 |
| 100 | $2.118 | $211.80 |
| 500 | $1.8533 | $926.65 |
| 1,000 | $1.64 | $1,640.00 |
DSP56321VL220557 概要
A Digital Signal Processor (DSP) is a specialized microprocessor whose architecture is optimized for numerical computation — multiply-accumulate (MAC) operations, fast Fourier transforms, and finite impulse response filters. The DSP56321 belongs to a broader taxonomy: fixed-point DSP -> DSP -> microcontroller -> embedded processor -> semiconductor IC. Unlike a general-purpose MCU, a DSP provides single-cycle MAC execution, dedicated address-generation units (AGUs), and tightly coupled memory buses, making it ideal for sample-rate-limited signal chains.
Key features include a 220 MHz core clock (15 ns instruction cycle), 24-bit data and 56-bit accumulator architecture, on-chip program and data memory, an Enhanced Filter Co-Processor (EFCOP) for sample-rate conversion, an external memory expansion interface, and four independent DMA channels. The 196-ball MAPBGA provides high I/O density and a low thermal-resistance junction-to-PCB path for sustained full-speed operation.
Architecturally, the DSP56321 uses a dual Harvard memory bus with separate program and data memories, dual on-chip address-generation units with hardware modulo/buffer-wrap support, and a barrel shifter in the data ALU. The result is deterministic, low-jitter execution suitable for closed-loop control and digital audio sample-rate conversion.
Typical applications include professional and broadcast audio equipment, hearing-aid and assistive listening DSP modules, digital crossover networks for loudspeakers, sonar and radar signal preprocessing, and industrial motor-control loops. The wide supply tolerance and TTL-compatible I/O also support legacy embedded-system upgrades.
When designing with this device, observe the official NXP hardware reference manual for decoupling, JTAG, and bootstrap pin configuration; the 196-ball MAPBGA requires an 8-layer PCB with controlled-impedance traces and microvia fan-out. Latch-up sensitivity to supply sequencing recommends a power-on-reset supervisor.
This page synthesizes distributor pricing from LCSC and JLCPCB, cross-references for drop-in alternatives in the DSP56300 family, and practical design notes not found in the manufacturer datasheet — extending the value of the official NXP technical data document.
ドロップイン代替品: DSP56321VL220557 — 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。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: DSP56321VL220557 （同一形状・フットプリント） — 相違点: DMA Channels, Package, Instruction Cache, Mounting Type, I/O Voltage.
クイック比較ツール — 並列比較する代替部品を選択:
DSP56321VF200
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$62 / 個
データシートを見る →DSP56321VF220
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$78.5 / 個
データシートを見る →DSP56321VL220
✅ ドロップイン✓ 在庫あり
$23.9 / 個
データシートを見る →DSP56321VF220R2
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSP56321VF150
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSP56321VL220557 仕様
| Product Type | Digital Signal Processor (DSP) |
| Architecture | 24-bit fixed-point DSP56300 family |
| Core Clock Frequency | 220 MHz |
| Instruction Cycle Time | 15 ns |
| Data Word Width | 24-bit |
| Accumulator Width | 56-bit |
| On-chip Memory | Program ROM/RAM and Data RAM (see datasheet) |
| DMA Channels | 4 independent channels |
| DMA Controller | Yes |
| External Memory Interface | Yes (SRAM / DRAM expansion) |
| Enhanced Filter Co-Processor | EFCOP for sample-rate conversion |
| Host Interface | Asynchronous serial / parallel ports |
| Serial Audio Interface | Yes (ESSI / SCI) |
| Timers | Triple timer module |
| 動作温度範囲 | -40C to +85C (industrial) |
| I/O Logic Level | TTL-compatible |
| Process Technology | High-density CMOS |
| パッケージ | MAPBGA-196 (15x15 mm) |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
DSP56321VL220557 mapbga-196 (15x15 mm) ピン配置ガイド
DSP56321VL220557 (mapbga-196 (15x15 mm) 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: DSP56321VL220557.
詳細は データシート をご参照ください。
主な用途
DSP56321VL220557 の用途: 7 件s: Professional Audio Processing, Hearing Aid and Assistive Listening, Loudspeaker Digital Crossover Networks, Industrial Motor Control Loops, Voice Codec and VoIP Processing, Sonar and Radar Signal Preprocessing, Test & Measurement Instrumentation.
Professional Audio Processing
The DSP56321VL220557 is well-suited to professional audio processing because its 220 MHz 24-bit fixed-point core delivers single-cycle MAC throughput required for multi-channel mixing, parametric EQ, and dynamics compression. With four DMA channels and the Enhanced Filter Co-Processor (EFCOP), it can offload sample-rate conversion while the CPU handles user-defined DSP graphs, enabling transparent channel counts of 8 to 16 at 48 kHz without CPU stalls. The 56-bit accumulator preserves headroom for cascaded biquad filters, while TTL-compatible I/O simplifies glueless interfacing to legacy ADC/DAC codecs.
おすすめ
Hearing Aid and Assistive Listening
The DSP56321VL220557 is suitable for hearing-aid and assistive-listening DSP modules because its 24-bit data path and 56-bit accumulator offer the dynamic range and headroom needed for directional microphones, feedback cancellation, and adaptive noise reduction. The 220 MHz clock runs multi-band WDRC (wide dynamic range compression) algorithms with sub-millisecond latency in real time, and the industrial temperature rating supports behind-the-ear enclosures. Low core power consumption at idle scales down well for battery-powered body-worn form factors.
おすすめ
Loudspeaker Digital Crossover Networks
The DSP56321VL220557 fits digital crossover networks because its 220 MHz core and on-chip hardware address generation can compute 4-way Linkwitz-Riley crossovers at sample rates up to 192 kHz without CPU overhead. The dual Harvard memory buses and dual AGUs with hardware modulo mean circular delay-line buffers for FIR equalization are zero-overhead in C, which is critical for jitter-sensitive studio monitors. Industrial-grade packaging also supports pro-tour rack-mount enclosures.
おすすめ
Industrial Motor Control Loops
The DSP56321VL220557 is well-matched to industrial motor-control loops because its deterministic instruction cycle (15 ns at 220 MHz) gives precise feedback-loop timing for field-oriented control (FOC) of three-phase BLDC and PMSM motors. The on-chip triple timer module and four DMA channels handle PWM generation and current-sense sampling without jitter. The TTL-compatible I/O simplifies interface to existing driver boards, while the MAPBGA package provides industrial-grade thermal performance.
おすすめ
Voice Codec and VoIP Processing
The DSP56321VL220557 serves voice codec and VoIP processing applications because its 24-bit fixed-point MAC throughput accommodates G.711, G.722, G.729, and EchoLyne-style acoustic-echo-cancellation in real time. The on-chip serial ports (ESSI) connect directly to popular analog front ends, and the four DMA channels keep codec I/O off the CPU. Industrial temperature rating supports IP-PBX and conference-phone deployments.
おすすめ
Sonar and Radar Signal Preprocessing
The DSP56321VL220557 is appropriate for sonar and radar preprocessing because its 220 MHz cycle rate and hardware address-generation units execute FIR matched filters and FFT pre-emphasis in real time on multiple channels. The integrated Enhanced Filter Co-Processor accelerates sample-rate conversion, freeing the CPU for adaptive beamforming. The industrial temperature range and TTL I/O support rugged outdoor sensor installations.
おすすめ
Test & Measurement Instrumentation
The DSP56321VL220557 supports test & measurement instrumentation because its deterministic execution and on-chip timers enable phase-locked DSP blocks for stimulus-response analysis, lock-in amplifiers, and audio analyzers. Four DMA channels stream samples from precision ADCs without CPU intervention, while the Enhanced Filter Co-Processor handles digital decimation. Industrial temperature rating covers bench and rack-mount lab environments.
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: DSP56321VL220557 — 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 | DSP56321VF200 | DSP56321VF220 | DSP56321VL220 | DSP56321VF220R2 | DSP56321VF150 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | MAPBGA-196 (15x15 mm) | MAPBGA-196 (15x15 mm) - same | MAPBGA-196 (15x15 mm) - same | MAPBGA-196 (15x15 mm) - same | MAPBGA-196 (15x15 mm) - same | MAPBGA-196 (15x15 mm) - same |
| Core Clock Frequency | 220 MHz | 200 MHz | 220 MHz | 220 MHz | 220 MHz | 150 MHz |
| Data Word Width | 24-bit | 24-bit | 24-bit | 24-bit | 24-bit | 24-bit |
| Instruction Cycle Time | 15 ns | 20 ns | 15 ns | 15 ns | 15 ns | 26.7 ns |
| DMA Channels | 4 | 4 | 4 | 4 | 4 | 4 |
| Enhanced Filter Co-Processor | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
主な差別化要因
- Highest clock in DSP56321 family at this package （vs DSP56321VF200)
- Identical performance to DSP56321VL220 base MPN （vs DSP56321VL220)
- Faster than DSP56321VF150 by 47% （vs DSP56321VF150)
設計ノート
The MAPBGA-196 (15x15 mm) package requires an 8-layer PCB with microvia fan-out and continuous power planes; use 1-oz copper outer layers and 0.5-oz inner layers to maintain 50 ohm controlled impedance for the external memory bus. Place 0.1 uF X7R decoupling capacitors within 5 mm of every power pin pair, and add 10 uF bulk tantalum or polymer caps near each supply island. Avoid routing high-speed traces under the BGA — they create impedance discontinuities and noise coupling.
Use a low-dropout regulator with at least 200 mA headroom for the core rail and ensure a power-on-reset supervisor supervises the supply ramp; the DSP56321 PLL is sensitive to supply sequencing and requires a monotonic ramp and stable VDD before the clock stabilizer completes. Decouple the PLL supply (VDDPLL) with a separate pi-filter (10 ohm + 10 uF + 0.1 uF) to minimize jitter.
Do NOT apply a clock signal to the EXTAL pin before the supply rails are stable — this can latch-up the input structures on older DSP56321 silicon revisions. Also, when migrating firmware from DSP56321VL220 to DSP56321VL220557, double-check the boot-mode strap configuration on the Mode pins during reset, since a mis-configured strap forces the DSP into a parallel-boot wait state that looks like a hang on the JTAG debugger.
コンプライアンス情報
ROHS compliance confirmed by LCSC and JLCPCB listings. AEC-Q100 qualification status: not qualified — not suitable for automotive under-hood deployments.
