DSP56F803BU80E - 16-bit DSC 80MHz 64KB Flash LQFP-100 | NXP
N.º da peça: DSP56F803BU80E ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
DSP56F803BU80E Visão geral
A Digital Signal Controller merges the processing power of a Digital Signal Processor (DSP) with the peripheral set and control functionality of a microcontroller. In the embedded hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP, making it ideal for real-time closed-loop control where both arithmetic throughput and I/O flexibility are required. The 56800 core uses a Harvard-style architecture with separate program and data buses, enabling single-cycle multiply-accumulate (MAC) operations essential for filtering, transformation, and control algorithms.
Key features of the DSP56F803BU80E include the 16-bit 56800 core clocked at 80 MHz (40 MIPS per Mouser listing), 64 KB of program Flash, on-chip peripherals targeted at motor control such as PWM modules and analog-to-digital converters, and industrial temperature grade per Partstack data (Temperature Grade: INDUSTRIAL). Connectivity peripherals include SCI serial interfaces, CAN support in the wider 56F8xx family, and EBI/EMI external bus options as cataloged by Octopart.
The 56800 architecture combines a dual Harvard bus structure with DSP addressing modes (modular, bit-reversed) while retaining conventional MCU-style instructions, allowing a single chip to run both control algorithms and system management code. This eliminates an external MCU+DSP pairing, reducing board area, cost, and inter-processor latency.
Typical applications are servo and motor control, power inverters and converters, industrial automation, digital power supplies, telecommunications signal processing, and audio processing as noted by distributor listings. The rich PWM and ADC peripherals map directly to three-phase inverter and BLDC/PMSM control topologies.
Design consideration: because this device is EOL, verify remaining authorized-distributor stock and qualify a second source or NXP successor early in the design cycle; Flash programming lifecycles and PCN notices should be tracked.
This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para DSP56F803BU80E — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSP56F803BU80E (mesmo formato e footprint).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSP56F803BU80
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSP56F803BU60E
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSP56F803BU60
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSP56F803BU80E Especificações
| Core Processor | 56800 |
| Core Size | 16-bit |
| Series | 56F8xx |
| Frequência máxima de clock | 80 MHz |
| Performance | 40 MIPS (80MHz/40MIPS per Mouser) |
| Program Memory Size | 64 KB (32K x 16) |
| Program Memory Type | Flash |
| Architecture | Harvard-style, DSP + MCU hybrid |
| Connectivity | CANbus, EBI/EMI, SCI |
| Package Type | 100-LQFP (14x14 mm), LFQFP, square, gull wing |
| Number of Terminals | 100 |
| Tipo de montagem | Surface Mount |
| Temperature Grade | Industrial |
| Packaging | Tray |
| Product Status | End of Life (EOL) per NXP product page |
Guia de Configuração de Pinos do DSP56F803BU80E 100-lqfp (14x14 mm), lfqfp, square, gull wing
Configuração de pinos para DSP56F803BU80E (pacote 100-lqfp (14x14 mm), lfqfp, square, gull wing). A numeração dos pinos, funções e diagramas de conexão estão definidos no datasheet do fabricante. Consulte-o para o footprint exato e diretrizes de soldagem.
Nenhum dado detalhado de pinagem disponível para DSP56F803BU80E.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
DSP56F803BU80E é adequado para 6 aplicaçãos: Servo and Motor Control, Power Inverters and Converters, Industrial Automation Nodes, Digital Power Supplies, Audio Signal Processing, Real-Time Embedded Control Systems.
Servo and Motor Control
The DSP56F803BU80E was architected explicitly for servo and motor control, per the NXP product page. Its 56800 core delivers single-cycle MAC operations at 80 MHz, providing the arithmetic throughput for field-oriented control (FOC) of PMSM and BLDC motors at switching frequencies in the 10-20 kHz class. The on-chip PWM peripherals drive three-phase inverter bridges directly while the integrated ADC samples phase currents for closed-loop torque control. Because PWM generation, current sensing, and control-law execution all reside on one chip, loop latency is far lower than split MCU+DSP designs. In existing servo drives the 100-LQFP footprint integrates into compact power stages; note the EOL status when planning service spares.
Recomendado
Power Inverters and Converters
For power inverter and converter applications, the DSP56F803BU80E combines a Harvard-style 56800 core (80 MHz, 40 MIPS) with PWM and ADC resources suited to digital power loops. Typical topologies include DC-AC inverters, PFC stages, and DC-DC converters where the DSC executes voltage/current control laws each switching cycle and adjusts duty cycles in real time. The 64 KB Flash holds control firmware plus compensation tables, while SCI and CAN peripherals provide supervisory communication. The single-chip approach eliminates external DSP-to-MCU handoff, reducing control-loop delay - a quantified benefit in converters with cycle-by-cycle current limiting. Because the part is EOL, new inverter platforms should use NXP's MC56F8xxxx successors with the same architectural heritage.
Recomendado
Industrial Automation Nodes
In factory automation, the DSP56F803BU80E serves as a real-time control node where deterministic signal processing meets fieldbus connectivity. Its industrial temperature grade (per Partstack package data) suits electrically noisy cabinet environments, and CAN support in the 56F8xx family links it into distributed drive and I/O networks while SCI ports handle service diagnostics. The 16-bit 56800 core at 80 MHz executes filtering, sequencing, and PID control concurrently, and the LQFP-100 package exposes enough GPIO to manage local actuators, limit switches, and status indicators. For legacy automation lines already coded for the 56800 instruction set, this part preserves software investment during sustaining production.
Recomendado
Digital Power Supplies
The DSP56F803BU80E fits digitally controlled power supplies - telecom rectifiers, server power shelves, and programmable lab sources - where feedback loops run at the switching frequency and require DSP-class arithmetic. At 80 MHz with single-cycle MAC, the core implements high-order compensators and non-linear limiters within one PWM period, while on-chip ADC channels sample output voltage, current, and temperature. The 64 KB Flash enables firmware-updatable control characteristics and telemetry, and SCI/CAN peripherals report status to system supervisors. Compared with analog control, the DSC approach provides programmable soft-start, adaptive dead-time, and fault logging - concrete features that distinguish 56800-based digital power designs.
Recomendado
Audio Signal Processing
The DSP56F803BU80E is listed by distributor Censtry among parts used in audio processing and telecommunications, where the 56800 core's MAC throughput executes FIR/IIR filters, mixing, and dynamics processing at audio sample rates (e.g., 48 kHz) with enormous timing margin at 80 MHz. The 64 KB Flash stores coefficient tables and multiple processing presets, while SCI supports control interfaces and the general-purpose I/O of the LQFP-100 package interfaces with codecs and volume controls. The DSP+MCU hybrid lets one chip run the audio algorithm and the system management layer simultaneously. For new audio designs, note the EOL status and evaluate active 16-bit DSC alternatives.
Recomendado
Real-Time Embedded Control Systems
As a general real-time controller, the DSP56F803BU80E suits applications needing deterministic execution plus heavy arithmetic: robotics joints, instrumentation, and telecom line processing, per Censtry application notes. The Harvard-style 56800 architecture separates program and data buses so instruction fetch never stalls data access - a structural guarantee of cycle-accurate timing that conventional MCUs cannot match. Running at 80 MHz, the core executes a classic PID loop in a few microseconds, leaving headroom for communication and diagnostics on the same die. The 100-LQFP industrial-grade package mounts on standard SMT lines, and external bus (EBI/EMI) support permits memory or peripheral expansion beyond on-chip resources.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSP56F803BU80E — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSP56F803BU80 | DSP56F803BU60E | DSP56F803BU60 |
|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) |
| Core | 56800, 16-bit | 56800, 16-bit | 56800, 16-bit | 56800, 16-bit |
| Clock Speed | 80 MHz (40 MIPS) | 80 MHz (40 MIPS) | 60 MHz (30 MIPS) | 60 MHz (30 MIPS) |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) | 64 KB (32K x 16) | 64 KB (32K x 16) |
| Connectivity | SCI, CAN (56F8xx family), EBI/EMI | SCI, CAN (56F8xx family), EBI/EMI | SCI, CAN (56F8xx family), EBI/EMI | SCI, CAN (56F8xx family), EBI/EMI |
Principais diferenciais
- Full 80 MHz / 40 MIPS performance grade (vs DSP56F803BU60E)
- Industrial temperature grade (E suffix) (vs DSP56F803BU80)
- Single-chip DSP+MCU integration (vs dsPIC33CK32MP103-I/M5)
Notas de projeto
The single most important program-level risk with the DSP56F803BU80E is lifecycle, not electrical: NXP lists the part as End of Life with discontinuance and PCN notices on its product page. Before finalizing a design or a sustaining buy, download the official PCN from nxp.com/part/DSP56F803BU80E, check the last-time-buy status, and size your spares based on remaining authorized stock at DigiKey and Mouser. Document the replacement decision (same-family 56F803 grades for drop-in, MC56F8xxxx successors for redesign) in your design change records now, while information is still fresh.
The 100-pin LQFP (14x14 mm, 0.5 mm pitch) requires careful land-pattern work: use the IPC-recommended footprint for a 100-terminal LFQFP with gull-wing leads, and route the fine-pitch fanout on the top layer with via escape only where necessary. Decouple the supply pins with 100 nF ceramics placed within 2 mm of each VDD pair, plus one bulk 10 uF per supply domain. For Flash-programming access, bring the JTAG/test pins to a header even in production boards - this EOL device cannot be re-sourced if a unit is bricked in the field.
Estimated: the 56F803 family operates from a low-voltage supply typical of 56800-core DSCs (3.0-3.6 V class core/IO per the family architecture); exact pin-level supply values must be read from the DSP56F803 datasheet before layout, as XAIPART could not verify the voltage table from the provided data. Design the supply for the worst-case dynamic current at 80 MHz core clock plus Flash program/erase transients, and sequence rails per the datasheet power-up ordering to avoid latch-up during Flash programming operations.
Informações de conformidade
Package code LFQFP per Partstack suggests a lead-free QFP construction, but formal RoHS/REACH declarations for this EOL ordering code were not present in the provided data - request the Material Declaration from NXP.
