DSP56321VF200 - 24-Bit 200MHz DSP with EFCOP | NXP
MPN： DSP56321VF200 ✗ 停產DSP56321VF200 概覽
A Digital Signal Processor (DSP) is a specialized microprocessor designed for high-throughput numerical computation on sampled analog signals, typically used in audio, voice, voiceband modems, and real-time control systems. Within the broader taxonomy, the DSP56321 sits at the intersection of programmable DSP -> embedded DSP -> 24-bit fixed-point DSP -> communications DSP, with EFCOP acceleration positioning it for filtering-heavy workloads such as xDSL, VoIP, and audio processing.
Key features include an integrated Enhanced Filter Coprocessor (EFCOP) that executes multiply-accumulate (MAC) filter operations in parallel with the core, a six-channel DMA controller, an instruction cache, a 24-bit address space, and a barrel shifter. The device integrates Host Interface, Synchronous Serial Interface (SSI), and Serial Communications Interface (SCI) peripherals, and supports a 3.30 V I/O voltage with an internal core voltage. The 196-MAPBGA package with 1 mm ball pitch supports automated SMT assembly while providing the thermal headroom for sustained DSP workloads.
The DSP56321 architecture leverages dual Harvard-style program and data memories, each 24 bits wide, enabling single-cycle instruction fetch and dual-data operand reads - critical for filter kernels such as FIR and LMS. The EFCOP is hardwired for half-band, FIR, and lattice filters, offloading these operations from the main core and effectively increasing channel density in multi-channel applications like central office xDSL line cards.
Typical applications include networking equipment (xDSL modems, central office line cards), security encryption subsystems, home entertainment audio processors, voice-over-IP (VoIP) gateways, and industrial motor control. The single-cycle engine plus EFCOP acceleration makes it particularly suited to multi-channel voice and audio processing where deterministic throughput is required.
When designing with this part, evaluate whether the 196-MAPBGA package can be assembled in-house or requires subcontract assembly, as 1 mm pitch BGA demands precise reflow profiles and X-ray inspection. The device has reached End of Life per NXP's product page, so long-lived designs should qualify a replacement part concurrently with new product introduction.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate whether the DSP56321VF200 remains viable for production despite its EOL status.
直接替換替代品，適用於 DSP56321VF200 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSP56321VF200 （相同外形與佔位） — 差異在於 Package, RoHS Status, DMA Channels, Product Type, On-Chip RAM.
DSP56321VF200R2
✅ 直接替換📋 參考替代品（不在目錄中）
DSP56321VL240
✅ 直接替換聯絡詢價
查看資料表 →DSP56321VF220
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSP56311VF150
✅ 直接替換聯絡詢價
查看資料表 →DSP56301VF100
✅ 直接替換聯絡詢價
查看資料表 →DSP56321VF200 規格
| Part Number | DSP56321VF200 |
| Manufacturer | NXP Semiconductors (formerly Freescale Semiconductor) |
| Product Type | Fixed-Point Digital Signal Processor (DSP) |
| DSP Family | DSP56300 family, DSP56000 code-compatible |
| Core Architecture | 24-bit fixed-point, single-cycle engine |
| Clock Speed | 200 MHz |
| On-Chip RAM | 576 KB |
| Bootstrap ROM | 576 bytes |
| Instruction Cache | Yes |
| Coprocessor | Enhanced Filter Coprocessor (EFCOP) |
| DMA Channels | 6 channels |
| Addressing | 24-bit address space, barrel shifter |
| Interfaces | Host Interface, SSI (Synchronous Serial), SCI (Serial Communications) |
| I/O Voltage | 3.30 V |
| 封裝 | 196-MAPBGA (15 mm x 15 mm, 1 mm pitch, 1.18 mm body height) |
| 安裝類型 | Surface Mount (BGA) |
| 工作接面溫度 | -40C to +100C (TJ) |
| Packaging | Tray |
DSP56321VF200 196-mapbga (15 mm x 15 mm, 1 mm pitch, 1.18 mm body height) 腳位配置指南
DSP56321VF200（196-mapbga (15 mm x 15 mm, 1 mm pitch, 1.18 mm body height) 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： DSP56321VF200.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSP56321VF200 適用於 7 應用s: xDSL Central Office Line Cards, VoIP Gateway and Media Processing, Home Entertainment Audio Processing, Security Encryption Subsystems, Industrial Motor Control, Voiceband Modem Pool and Fax, Medical Imaging and Diagnostic Equipment.
xDSL Central Office Line Cards
The DSP56321VF200 is well suited to central-office xDSL line cards, where multi-channel echo cancellation and DMT modulation must be sustained across hundreds of subscriber lines simultaneously. The DSP56321's 200 MHz DSP56300 core, with its single-cycle 24-bit MAC engine and on-chip EFCOP, executes FIR and half-band filter kernels in parallel to the core, providing effective throughput equivalent to roughly 400 MIPS for filter-bound workloads - directly increasing channel density per DSP. With 576 KB of on-chip RAM, the part stores coefficient tables and per-channel state without external memory pressure, simplifying the BOM. Placed between the upstream line-interface chip and the backplane serializer, it interfaces via the Serial Communications Interface (SCI) for control and the Synchronous Serial Interface (SSI) for high-speed sample streams. The 3.30 V I/O voltage is compatible with standard TTL-logic glue and ASICs of the era, allowing direct board integration.
推薦
VoIP Gateway and Media Processing
In VoIP gateway and media-server designs, the DSP56321VF200 handles G.711, G.723, G.726, G.729 vocoder compression, RTP packetization, DTMF detection, and acoustic-echo cancellation concurrently. The DSP56321's dual Harvard architecture (24-bit program and 24-bit data memories) enables one-cycle instruction fetch plus dual-operand reads - essential for the inner loops of CELP vocoders like G.723.1, which demand deterministic MAC throughput. The Enhanced Filter Coprocessor accelerates the FIR tail of G.168 echo cancellers, typically the most CPU-intensive block, offloading it from the main core so headroom remains for tone detection and conferencing. Placed on the media-processing daughter card, the DSP links to the host CPU via the Host Interface for control and to the PCM/TDM highway via SSI for 8 kHz sample flows. Designers should allocate 32-64 KB of the 576 KB RAM as working memory per active channel.
推薦
Home Entertainment Audio Processing
The DSP56321VF200 is a strong fit for AV receivers, soundbars, and other home-entertainment equipment needing multi-channel surround decoding (Dolby Digital, DTS, Dolby Pro Logic II) and room-correction post-processing. Its 24-bit datapath natively processes 24-bit audio samples without precision loss, preserving dynamic range all the way to the DAC. The EFCOP's lattice-filter mode accelerates the IIR and FIR sections of parametric equalization, allowing 7.1 channels of room-EQ at 48 kHz inside a single DSP. The 576 KB on-chip RAM holds coefficients and delay lines for all channels, eliminating external memory and reducing BOM cost. Positioned between the HDMI audio extractor and the multi-channel DAC array, it accepts I2S or TDM streams via the Synchronous Serial Interface and is controlled via I2C through the SCI in HDLC mode. Operating at 3.30 V I/O, it interfaces directly to consumer-electronics-grade logic.
推薦
Security Encryption Subsystems
Encryption pipelines benefit from the DSP56321VF200's 24-bit datapath because many ciphers (DES, 3DES, AES, RC4) operate natively on byte-aligned blocks but need bit-rotation and permutation primitives - both of which execute efficiently on the 24-bit data path with a single cycle per instruction. The DSP56300 family includes proven security-encryption reference implementations from Freescale, giving design teams a baseline to port. The DSP56321's six-channel DMA engine sustains the high-throughput data motion needed for IPSec or SSL/TLS acceleration in VPN gateways. Placed between the packet engine and the host CPU, the DSP autonomously encrypts/decrypts bulk traffic via the Host Interface and DMA, freeing the host CPU for protocol handling. With 576 KB RAM, the device holds cipher tables plus working buffers without external memory contention.
推薦
Industrial Motor Control
Vector and direct-torque control of three-phase AC induction or permanent-magnet motors requires high-rate (typically 10-20 kHz) field-oriented control loops with deterministic execution. The DSP56321VF200's 200 MHz single-cycle engine delivers the ~100 ns loop budget for cascaded current, velocity, and position control in servo drives, while its 24-bit datapath processes Park/Clarke transforms and PID loops without saturation at industrial current ranges. The DMA controller streams ADC samples into memory and PWM updates out to the inverter without CPU overhead, freeing the core for the control law. Six DMA channels support multi-axis control from a single DSP. Placed between the gate-driver optocouplers and the position-feedback encoder interface, the device's 3.30 V I/O is easily level-shifted to industrial 5 V logic. Designers should budget 8-16 KB of the 576 KB RAM for per-axis state.
推薦
Voiceband Modem Pool and Fax
The DSP56321VF200 is a natural fit for V.90, V.92, V.34 voiceband modem pools and Group 3 fax processing, where dozens of channels must run a software-defined modem concurrently. The DSP56000-compatible single-cycle engine executes the symbol-rate DSP at the modem's sample rate while the EFCOP accelerates adaptive echo-canceller FIR filters - the single most compute-heavy block of any voiceband modem. The DSP56321's 576 KB RAM allows 16-32 simultaneous V.90 channels per device, with separate coefficient sets per channel. Six DMA channels keep sample I/O moving between the line-side codec interface and the DSP without CPU intervention. Placed between the multi-channel PCM codec and the host CPU, it links via SSI for sample flows and Host Interface for channel control.
推薦
Medical Imaging and Diagnostic Equipment
Selected medical imaging subsystems (ultrasound beamforming front-ends, hearing-aid DSP platforms, patient-monitoring signal front-ends) benefit from the DSP56321VF200's real-time deterministic DSP performance at low power. Its 24-bit datapath preserves the precision needed for physiological-signal analysis, while the EFCOP accelerates FIR filtering of bioelectric signals (ECG, EEG, EMG) - critical for clean extraction of small-amplitude features in noisy clinical environments. The 196-MAPBGA package supports medical-grade conformal coating and reliability. With 576 KB RAM, the part stores long-window filters (for hearing-aid feedback cancellation, for example) without external memory. Placed between the analog front-end and the display/recording subsystem, the device operates from 3.30 V I/O regulated rails. Designers should consult NXP's medical-grade portfolio for current RoHS and reliability documentation.
推薦
推薦產品摘要
工程參考資料，適用於 DSP56321VF200 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSP56321VF200R2 | DSP56321VL240 | DSP56321VF220 | DSP56311VF150 | DSP56301VF100 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 196-MAPBGA (15x15 mm) | 196-MAPBGA (15x15 mm) - same | 196-MAPBGA (15x15 mm) - same | 196-MAPBGA (15x15 mm) - same | 196-MAPBGA (15x15 mm) - same | 196-MAPBGA (15x15 mm) - same |
| Clock Speed | 200 MHz | 200 MHz | 240 MHz | 220 MHz | 150 MHz | 100 MHz |
| EFCOP Coprocessor | Yes (Enhanced) | Yes (Enhanced) | Yes (Enhanced) | Yes (Enhanced) | Yes | No |
| DMA Channels | 6 | 6 | 6 | 6 | 6 | 6 |
| I/O Voltage | 3.30 V | 3.30 V | 3.30 V | 3.30 V | 3.30 V | 3.30 V |
| Lifecycle Status | EOL | EOL | EOL | EOL | EOL | EOL |
主要差異化特點
- Higher clock speed within the same family and footprint (對比DSP56311VF150)
- Latest-generation DSP56321 features including enhanced EFCOP (對比DSP56301VF100)
- Larger on-chip RAM than DSP56311 (對比DSP56311VF150)
設計說明
The 196-MAPBGA at 200 MHz continuous DSP workload dissipates roughly 1.0-1.5 W. The junction-to-ambient thermal resistance of a MAPBGA on a 4-layer PCB with thermal vias is approximately 20-25 C/W, producing a 20-40 C junction rise above ambient - well within the -40C to +100C TJ rating, but a copper flood on the inner layers plus thermal vias under the die flag is recommended for sustained workloads. Estimate: P_dissipation = 1.2 W approx, theta_JA = 22 C/W, delta_T_J = ~26 C.
A 1 mm pitch 196-MAPBGA requires a 6-6-6 mil (line-space-pad) PCB capability under the device, microvia-in-pad or blind-via escape, and ENIG surface finish. Solder paste deposition should use a 5-mil stencil with 1:1 aperture-to-pad ratio; reflow profile must follow J-STD-020 MSL-3 (or per-package MSL rating). X-ray inspection after reflow is mandatory to verify BGA joint integrity - visual inspection alone cannot see underneath the package.
Because the DSP56321VF200 is EOL per NXP's product page, do not start a new greenfield production design without qualifying a second-source replacement in parallel. Existing designs should perform a last-time-buy calculation based on remaining lifetime demand. Estimated: lifetime demand for a 5-year production window at 1500 units/year is 7500 units; check distributor inventory and consider frame-contract pricing with Rochester Electronics.
Keep the 200 MHz DSP56300 core clock trace and the EFCOP clock trace impedance-matched (typically 50 ohms single-ended) and avoid crossing them with SSI bit-clock traces. Place the JTAG header on the board edge for boundary-scan debug; verify boundary scan is enabled (BCR register) before relying on JTAG for production test. The Host Interface, SSI, and SCI traces should be length-matched within their respective groups to within +/- 1 cm to avoid data-skew on the parallel host bus at high speeds.
The DSP56321 requires a clean 3.30 V supply for I/O plus an internal core voltage generated by the on-chip voltage regulator from VDD. Bulk-decouple VDD with a 22 uF tantalum, plus a 0.1 uF X7R ceramic per two adjacent power pins. The PLL supply (VDDPLL) must be filtered with a ferrite bead plus 10 nF and 100 nF caps to prevent PLL jitter and DSP clock-period variation. Power-on-reset (POR) timing must be observed per the datasheet to avoid lockup during brown-out events.
合規資訊
RoHS and lead-free compliance per NXP product page. The part is not AEC-Q100 qualified - for automotive designs, consult NXP's automotive-grade DSP portfolio. EOL status noted on NXP product page; consult Rochester Electronics for ongoing supply.
