MC56F8155VFGE - 16-bit DSC, 256KB Flash, 40MHz, LQFP-128 | NXP
N.º de pieza: MC56F8155VFGE ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.4 | $164,00 |
| 100 | $13.95 | $1.395,00 |
| 500 | $11.8 | $5.900,00 |
| 1.000 | $10.2 | $10.200,00 |
MC56F8155VFGE Descripción general
A Digital Signal Controller (DSC) is a hybrid architecture that combines the deterministic real-time control features of a microcontroller with the computational throughput of a digital signal processor (DSP). Within the broader taxonomy, a DSC sits between a microcontroller (MCU) and a DSP, optimized for applications that require both fast mathematical transforms (FFT, FIR, IIR) and precise timing of hardware events. NXP's 56800E core family targets motor control, power conversion, and digital power management, where the part must execute control loops in microseconds while simultaneously handling high-level supervisory tasks.
Key features include 256KB of on-chip Flash accessible to the 56800E Harvard-style architecture, an internal PLL for flexible clock synthesis from the external oscillator, a 6-channel PWM module suited for three-phase motor inverters, 12-bit ADC channels for current/voltage sensing, and dedicated peripheral frames such as Quad Timer and FlexCAN on related family members. The 40 MHz core, paired with the 56800E instruction set's single-cycle 16x16 multiply-accumulate, delivers sufficient MIPS to execute field-oriented control (FOC) loops in cost-sensitive appliance designs.
The 56800E core implements a unified data/program memory model with hardware DO-loop and hardware stack, enabling zero-overhead looping on DSP kernels. The JTAG/OnCE debug port supports real-time non-intrusive trace, which shortens firmware bring-up versus pure Cortex-M parts at the same frequency. The device is qualified to industrial temperature ranges typical for motor-drive environments.
Typical applications include BLDC and PMSM motor control (appliance, industrial drives, e-bike), digital power conversion (PFC, LLC, full-bridge converters), solar inverters, uninterruptible power supplies (UPS), and smart-grid metering endpoints. The combination of 256KB Flash and 49 GPIO makes it appropriate for inverters that must store lookup tables, modulation profiles, and protection firmware simultaneously.
When designing with the MC56F8155VFGE, allocate the 56900E core's Harvard bus carefully: place time-critical ISR code in pROM and data buffers in xROM to avoid single-cycle stalls. The external oscillator must drive the PLL within its specified range; an incorrect mode setting will cause silent code execution at the wrong frequency without raising a fault.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer product page alone.
Alternativas directas para MC56F8155VFGE — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC56F8155VFGE (mismo factor de forma y huella) — difiere en Operating Temperature, Program Memory Size, Connectivity, Core Processor, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC56F8147VVFE
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC56F8166VFVE
✅ Sustitución directa✓ En stock
$11.23 / unidad
Ver hoja de datos →MC56F8346VFVE
✅ Sustitución directa✓ En stock
$10.1 / unidad
Ver hoja de datos →MC56F8355VFGE
✅ Sustitución directa✓ En stock
$33.85 / unidad
Ver hoja de datos →MC56F8157VFGE
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC56F8155VFGE Valores máximos y características eléctricas
| Core Processor | 56800E |
| Core Size | 16-Bit |
| Core Speed | 40 MHz |
| Program Memory Size | 256 KB (128K x 16) Flash |
| RAM Size | 8 KB (4K x 16) |
| Number of I/O | 49 |
| Connectivity | EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| Encapsulado / Carcasa | 128-LQFP (14x20 mm) |
| Oscillator Type | External |
| Tipo de montaje | Surface Mount |
| Packaging | Tray |
| Architecture | Harvard (unified address space) |
Guía de configuración de pines de MC56F8155VFGE 128-lqfp (14x20 mm)
Configuración de pines para MC56F8155VFGE (encapsulado 128-lqfp (14x20 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MC56F8155VFGE.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC56F8155VFGE es adecuado para 6 aplicacións: BLDC / PMSM Motor Control, Digital Power Conversion (PFC / LLC), Solar Micro-Inverters and String Inverters, Uninterruptible Power Supplies (UPS), Industrial Variable-Frequency Drives, Smart Appliance Control Boards.
BLDC / PMSM Motor Control
The MC56F8155VFGE's 40 MHz 56800E core with hardware 16x16 MAC executes sensorless and sensored field-oriented control (FOC) loops for BLDC and PMSM motors in appliance fans, compressors, and pumps. The integrated 6-channel PWM module drives three-phase inverters directly, while the 12-bit ADC samples phase currents and DC-bus voltage at the loop rate. The 256KB Flash stores FOC lookup tables, PI controller constants, and fault-handling firmware; the 8KB RAM holds observer state and Clarke/Park transform working buffers. The 49 GPIO exposes Hall/encoder inputs and quadrature counters for closed-loop velocity and position control. Engineers pick this part over Cortex-M equivalents when they need the 56800E's deterministic interrupt latency and zero-overhead DO-loop for sub-10us torque loops.
Recomendado
Digital Power Conversion (PFC / LLC)
In switched-mode power supplies the MC56F8155VFGE performs digital PFC and LLC resonant control with cycle-by-cycle current shaping. The 40 MHz core runs the average-current-mode PFC algorithm and the LLC burst-mode supervisor within the same firmware image; 256KB Flash leaves headroom for adaptive dead-time compensation tables. The PWM module's complementary outputs with programmable dead time drive the synchronous rectifier MOSFETs directly, eliminating gate-driver dead-time mismatch. High-resolution ADC sampling synchronised to the PWM carrier measures input voltage, inductor current, and output voltage with minimal phase delay. The 56800E deterministic interrupt response is critical for sub-microsecond cycle-by-cycle regulation; soft-start, OCP, and OVP fault responses fit in the 49 GPIO for digital supervisory signaling.
Recomendado
Solar Micro-Inverters and String Inverters
The MC56F8155VFGE integrates MPPT calculation, grid-synchronization PLL, and anti-islanding protection in a single 56800E controller for solar micro-inverter and string-inverter modules. The 256KB Flash accommodates MPPT lookup tables for partial-shading scenarios and grid-code parameter sets for multiple regional certifications. Its SCI and SPI peripherals communicate with the central inverter gateway over RS-485 or to a wireless MPPT display; the EBI/EMI enables external SRAM expansion for logged energy-yield data. The 49 GPIO handles grid relay drive, AC-side zero-crossing detection, and DC-bus voltage sensing. Its industrial operating temperature range and Harvard architecture are well suited to outdoor inverter enclosures with sustained ambient temperature variation.
Recomendado
Uninterruptible Power Supplies (UPS)
In on-line and line-interactive UPS designs the MC56F8155VFGE controls the rectifier, battery-charger, and inverter stages with a single firmware image. Its 256KB Flash stores battery chemistry charging profiles (VRLA, Li-ion), inverter sine-table, and load-step compensation curves. The PWM module drives the IGBT inverter bridge with programmable dead-time insertion; the ADC samples DC-bus voltage, battery voltage, and output current at the switching frequency. The WDT and POR peripherals protect against firmware lock-up during brown-out events common in power-fail ride-through scenarios. With 49 GPIO the controller interfaces to the LCD/HMI keypad, buzzer, and RS-232 diagnostics port without external I/O expanders.
Recomendado
Industrial Variable-Frequency Drives
In industrial VFDs up to several kW the MC56F8155VFGE runs V/Hz, sensorless FOC, and closed-loop vector control algorithms for general-purpose motor drives. The 56800E's 40 MHz throughput handles the SVPWM modulator, current-loop PI, and speed-loop PI in a single 10 kHz control period with margin for telemetry overlays. Its 256KB Flash supports manufacturer-specific parameter sets, multiple motor profiles, and Modbus or CANopen protocol stacks. The 49 GPIO accommodates digital inputs (start/stop/reverse), relay outputs (fault/ready), and encoder channels for closed-loop operation. Designers choose the 56800E for its deterministic interrupt latency and proven longevity in harsh factory-floor EMI environments over newer Cortex-M alternatives.
Recomendado
Smart Appliance Control Boards
In washing machines, dishwashers, refrigerators, and air-conditioner outdoor units the MC56F8155VFGE replaces multiple discrete MCUs by consolidating the compressor inverter, user-interface controller, and safety supervisor. The 256KB Flash stores wash-cycle algorithms, compressor lookup tables, and appliance-specific UI strings; the 8KB RAM holds runtime cycle state and HMI buffers. The 56800E core drives the BLDC compressor directly via PWM while simultaneously servicing the rotary encoder input and the user-keypad scan. The 49 GPIO exposes enough pins for seven-segment display drivers, buzzer, door-lock relay, and NTC thermistor ADC channels. Its industrial temperature grade and Harvard deterministic interrupt response meet appliance reliability requirements where firmware lock-up is unacceptable.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC56F8155VFGE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC56F8147VVFE | MC56F8166VFVE | MC56F8346VFVE | MC56F8355VFGE |
|---|---|---|---|---|---|
| Package | 128-LQFP (14x20 mm) | 128-LQFP - same | 128-LQFP - same | 128-LQFP - same | 128-LQFP (14x20 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | 56800E 16-bit | 56800E 16-bit | 56800E 16-bit | 56800E 16-bit | 56800E 16-bit |
| Core Speed | 40 MHz | 40 MHz | 60 MHz (per NXP 8166 datasheet) | 60 MHz | 60 MHz |
| Program Flash | 256 KB | 128 KB | 512 KB | 128 KB | 512 KB |
| Peripherals | POR, PWM, WDT, SCI, SPI, EBI/EMI | POR, PWM, WDT, SCI, SPI | POR, PWM, WDT, SCI, SPI | POR, PWM, WDT, SCI, SPI, CAN | POR, PWM, WDT, SCI, SPI, EBI/EMI |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Primary Use Case | Cost-sensitive 40 MHz motor control | Similar cost-sensitive motor control | Higher-performance motor control | Multi-axis drives with CAN | Larger memory motor control |
Diferenciadores clave
- Cost-optimized 256KB Flash in 56800E family (frente a MC56F8355VFGE)
- Lower clock speed for power-sensitive applications (frente a MC56F8166VFVE)
- Standard peripheral set without CAN (frente a MC56F8346VFVE)
Notas de diseño
Estimated: A 128-pin LQFP at 0.5 mm pitch requires a 4-layer PCB with 0.2 mm via-in-pad or tented vias for reliable fan-out. Place the external oscillator crystal within 5 mm of the XTAL pins and guard the traces with a ground pour. Decouple each VDD/VSS pair with a 100 nF X7R ceramic cap placed within 2 mm of the pin pair, plus a bulk 10 uF near the package. The 56800E Harvard bus is sensitive to supply noise - keep switching converter nodes (PWM outputs) routed away from the crystal traces.
The 56800E Harvard architecture separates program (pROM) and data (xROM) memory spaces - placing data buffers in pROM causes silent execution stalls, not faults. Always allocate lookup tables and modulation arrays in xROM, and time-critical ISR code in pROM. The PLL must be configured AFTER the external oscillator is stable; configuring the PLL first locks the part at an undefined frequency. Failure to enable the JTAG/OnCE debug port prior to code lockdown will brick the device - keep debug enabled during development.
Estimated: At 40 MHz core speed with all peripherals active, the 128-LQFP package dissipates approximately 0.5-1.0 W typical. With theta_JA around 35-40 C/W for LQFP-128 on a 4-layer JEDEC test board, junction temperature rise above ambient is roughly 17-40 C - well within industrial -40C to +125C limits. No heatsink required, but adequate copper pour under the exposed pad or thermal vias directly under the package center improve margin in enclosed appliance designs.
Route PWM outputs as short matched-length traces to the gate driver, with a series gate resistor of 10-33 ohm to damp ringing. Keep ADC analog traces (phase current, DC-bus voltage) away from PWM digital traces by at least 3 trace widths, or guard them with a ground pour on both sides. The EBI/EMI bus to external memory runs at half the core clock; length-match address and data lines to within 5 mm to preserve setup/hold margin.
Estimated: Brown-out detection at the POR threshold is critical for motor-control applications - the 56800E executes undefined instructions if core voltage dips below 1.8 V while oscillator remains active. Tie the RESET pin to a TL77xx supervisor or the integrated POR, and add a 10 uF + 100 nF bulk-ceramic pair at the core VDD pin. For battery-backed designs, gate the regulator with the same supervisor output that drives RESET to ensure orderly cold-boot from battery insertion.
Información de cumplimiento
Compliance information not present in the verified web data. The MC56F8155VFGE is part of NXP's industrial DSC family; final RoHS/REACH/lead-free status must be verified from the manufacturer datasheet or PCN before new design adoption.