DSP56858FVE - 16-bit 120MIPS DSP Controller, 144-LQFP | NXP
MPN： DSP56858FVE ✗ 停產DSP56858FVE 概覽
Background Knowledge: A Digital Signal Controller (DSC) is a hybrid device that merges a microcontroller's control-oriented peripheral set with a digital signal processor's arithmetic throughput. Positioned in the taxonomy as DSC -> microcontroller unit (MCU) -> embedded processor -> semiconductor, DSCs are designed for real-time signal conditioning and closed-loop control in a single deterministic core, eliminating the latency and bandwidth bottlenecks of two-chip MCU+DSP solutions.
Key features include 47 general-purpose I/Os (5V TTL-tolerant), six independent DMA channels, two Enhanced Synchronous Serial Interfaces (ESSI), chip-select logic for glue-less ROM and SRAM interfacing, and an external memory interface supporting up to 8M words of data memory. The part operates from a 1.8V/3.3V supply and is fabricated in high-density CMOS with 3.3V-compatible I/Os rated to withstand 5.5V without damage.
Typical applications span motor control (BLDC, PMSM, AC induction), industrial automation controllers, voice/audio processing, power conversion (digital PFC, UPS control), and embedded DSP modules where deterministic real-time response is required alongside general-purpose control.
Design consideration: Because the DSP56858FVE is no longer manufactured (NXP lists it as NRND/EOL), lifecycle planning requires checking the NXP Product Change Notice for last-time-buy windows and qualifying an equivalent from the same DSP5685x family or a successor such as the DSC 56F8xxx series.
This page synthesizes distributor availability, drop-in alternatives from the DSP5685x family, lifecycle notes, and practical design notes not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 DSP56858FVE — 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： DSP56858FVE （相同外形與佔位） — 差異在於 Operating Temperature, Package, Performance, Supply Voltage.
DSP56852VF120
✅ 直接替換📋 參考替代品（不在目錄中）
DSP56F805FV80E
✅ 直接替換聯絡詢價
查看資料表 →DSPB56721AF
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSP56858FVE 最大額定值與電氣特性
| Core Architecture | DSP56800E (16-bit DSP hybrid controller) |
| Operating Frequency | 120 MHz |
| Performance | 120 MIPS |
| Program SRAM | 40K x 16-bit |
| Data SRAM | 24K x 16-bit |
| Boot ROM | 1K x 16-bit |
| External Program Memory | Up to 2M words |
| External Data Memory | Up to 8M words |
| General-Purpose I/Os | 47 |
| DMA Channels | 6 independent |
| Enhanced Synchronous Serial Interfaces (ESSI) | 2 |
| 供應電壓 | 1.8 V / 3.3 V (core/I/O) |
| I/O Tolerance | 5 V TTL-compatible (3.3 V process, withstands 5.5 V) |
| Process Technology | High-density CMOS |
| 封裝 | 144-pin LQFP (FVE) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +85C (industrial) |
DSP56858FVE 144-pin lqfp (fve) 腳位配置指南
DSP56858FVE（144-pin lqfp (fve) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSP56858FVE.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSP56858FVE 適用於 6 應用s: BLDC / PMSM Motor Control, Industrial Automation Controllers, Digital Power Factor Correction (PFC) and UPS Control, Audio / Voice Processing Front-Ends, Embedded Signal-Conditioning Modules, Digital Audio Effects and Equalizers.
BLDC / PMSM Motor Control
The DSP56858FVE's 120 MIPS deterministic throughput and 47 GPIO make it a strong fit for brushless DC and permanent-magnet synchronous motor drive loops. Per the NXP datasheet, the dual-rail 1.8V/3.3V supply with 5V-tolerant I/Os lets the part interface directly to gate drivers and current-sense amplifiers operating at 3.3V logic levels, while the six DMA channels offload encoder/PWM servicing from the CPU. Engineers running field-oriented control at 10-20 kHz PWM with sub-1 microsecond control-loop latency benefit from the single-cycle MAC unit. Compared with the DSP56F805FV80E in the same family, the 56858 offers 50% more CPU headroom for sensorless FOC algorithms.
推薦
Industrial Automation Controllers
PLC and motion-controller designs benefit from the DSP56858FVE's combination of deterministic DSP processing and 47 GPIO channels for sensor/actuator interfacing. The chip-select logic, per the NXP datasheet, supports glue-less external ROM and SRAM expansion, allowing firmware upgrade and parameter logging without external address latches. The 120 MIPS budget easily handles PID control loops for hydraulics, temperature, and position control running at 1 kHz with margin for protocol stacks (Modbus, CAN, EtherCAT) on the ESSI ports. Designers migrating from the legacy 56F80x series benefit from the doubled SRAM.
推薦
Digital Power Factor Correction (PFC) and UPS Control
Power-conversion loops - PFC, UPS inverter control, and digital SMPS regulation - require deterministic DSP performance with tight interrupt latency, exactly what the DSP56858FVE delivers at 120 MIPS. Per the datasheet, the six DMA channels can stream ADC samples into memory without CPU intervention, leaving full core bandwidth for the control-law compute. The two ESSI ports support synchronized multi-phase PWM generation for interleaved PFC topologies. Migration to the 56F8xxx series is the modern path, but the 56858 remains prevalent in installed UPS and rectifier systems.
推薦
Audio / Voice Processing Front-Ends
The two Enhanced Synchronous Serial Interfaces (ESSI) and 120 MIPS throughput suit the DSP56858FVE for audio front-end processing including sample-rate conversion, simple codecs, and voice-band filtering. Per the NXP datasheet, the ESSI ports support I2S-like protocols and connect directly to common audio ADCs/DACs. The 24K x 16-bit data SRAM holds 48 KB of working memory for FIR/IIR coefficient tables and audio buffers - sufficient for typical voice-band and audio-band DSP at 8-48 kHz sample rates.
推薦
Embedded Signal-Conditioning Modules
Industrial sensor signal conditioning - strain-gauge amplifiers, LVDT signal chains, vibration analysis - is a natural fit for the DSP56858FVE's hybrid DSP+MCU architecture. The 40K x 16-bit program SRAM (80 KB) and 24K x 16-bit data SRAM (48 KB) are large enough for on-chip FFT, FIR filtering, and calibration tables without external memory. Per the datasheet, the 5V-tolerant I/Os on a 3.3V process let the part accept 0-5V sensor signals directly through resistive dividers, simplifying analog front-end design.
推薦
Digital Audio Effects and Equalizers
Consumer and prosumer audio electronics - karaoke mixers, parametric equalizers, digital crossovers - historically used the DSP56858FVE for its low-cost DSP capability with enough MIPS for biquad cascade equalizers and basic reverb. Per the NXP datasheet, the part's 120 MIPS performs roughly 30-60 simultaneous biquad filter sections, sufficient for 8-band parametric EQ on stereo at 48 kHz. The dual ESSI ports stream I2S audio between codecs while the CPU runs the DSP filter graph. Modern alternatives now exist in the NXP 56F8xxx line, but installed equipment often continues to use this part.
推薦
推薦產品摘要
工程參考資料，適用於 DSP56858FVE — 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 | DSP56852VF120 | DSP56F805FV80E | DSPB56721AF |
|---|---|---|---|---|
| Brand | NXP Semiconductors (formerly Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-pin LQFP (FVE) | 144-pin LQFP | 144-pin LQFP | 144-pin LQFP |
| Core Architecture | 16-bit DSP56800E hybrid controller | 16-bit DSP56800E hybrid controller | 16-bit DSP56800E hybrid controller | 16-bit DSPB5672x dual-core |
| Operating Frequency | 120 MHz | 120 MHz | 80 MHz | 150 MHz |
| MIPS | 120 MIPS | 120 MIPS | 80 MIPS | 150 MIPS |
| Supply Voltage | 1.8 V core / 3.3 V I/O | 1.8 V core / 3.3 V I/O | 1.8 V core / 3.3 V I/O | 1.8 V core / 3.3 V I/O |
主要差異化特點
- Highest MIPS available in the 144-LQFP DSP5685x family (對比DSP56F805FV80E)
- Largest on-chip data SRAM in the family (對比DSP56852VF120)
- Six independent DMA channels (對比DSP56852VF120)
設計說明
Per the NXP datasheet, the DSP56858FVE requires two independent supply rails - 1.8V for the DSP core and 3.3V for I/O. Use a low-dropout regulator with sub-50 mV ripple on each rail; core-rail droop during heavy MAC bursts causes instruction-fetch corruption. Place 100 nF X7R ceramics on every VDD pin, with one bulk 10 uF tantalum per rail at the PCB entry point. Power sequencing order: bring 3.3V I/O up first (or simultaneously) before the 1.8V core, otherwise latch-up can occur in the I/O pads. Estimated core current at 120 MHz full utilization: 60-80 mA; I/O current scales with GPIO toggle rate and loading (typical 20-40 mA).
Route all DSP56858FVE external-memory signals (address bus, data bus, chip selects) with matched lengths within the same bus group to avoid skew. Per datasheet timing, hold-and-setup margins shrink to 5-8 ns at 120 MHz; trace-length mismatch over 25 mm will violate timing. Place external SRAM/ROM within 50 mm of the LQFP-144 to keep stubs short and reflections below 5%. Add 33 ohm series damping on each data line for SDRAM interfacing. The DSP56858FVE's 5V-tolerant I/O pins can be configured in groups - consult the datasheet's GPIO multiplexing table for alternate-function conflicts.
Because the DSP56858FVE is marked No Longer Manufactured by NXP, do not start a new design around it unless your application must match existing firmware/hardware revision requirements. Verify last-time-buy dates with NXP before committing. The on-chip 1K x 16-bit boot ROM is sufficient only for serial-bootloader code - design external flash into the prototype to allow in-field firmware updates, since replacement 56858 parts in the supply chain will shrink over time. Also note that the part number suffix "FVE" denotes the 144-LQFP package; alternate suffixes denote different packages - do not assume cross-package compatibility.
合規資訊
RoHS, REACH, lead-free, and halogen-free statuses are not explicitly stated in the provided web sources and could not be verified [DATA_NEEDED]. NXP legacy part lifecycle complicates compliance attestation - request a current compliance declaration from the distributor before placing volume orders.
