NXP Semiconductors

MC56F84585VLK - 32-bit 80MHz DSC, 256KB Flash, 80-LQFP | NXP

部品番号: MC56F84585VLK ✓ 生産中
在庫あり 1〜3営業日以内に発送
80-LQFP (12x12 mm) Package 80 MHz Speed 256 KB (256K x 8) Memory
開始価格 $5.3 USD / 個
MOQ: 1 |
価格更新日: 2026-10-17
ボリューム価格
数量 単価 小計
1 $9.16 $9.16
10 $8.24 $82.40
100 $7.1 $710.00
500 $6.05 $3,025.00
1,000 $5.3 $5,300.00
ℹ️ すべての価格はUSDです

MC56F84585VLK 概要

The NXP MC56F84585VLK is a 32-bit digital signal controller (DSC) from the 56800EX 56F8xxx family, delivering 80 MHz CPU performance with 256 KB of on-chip Flash memory in an 80-pin LQFP (12x12 mm) package. Based on NXP's 56800EX DSP core, it combines MCU control capability with DSP-class processing throughput, designed for high-precision digital power conversion and advanced motor control.

A digital signal controller (DSC) is a hybrid processor that bridges microcontrollers (MCU) and digital signal processors (DSP). The 56800EX core extends the 56800E instruction set with a single-cycle 32-bit multiply-accumulate (MAC), zero-overhead looping, hardware DO and REP instructions, and a parallel instruction issue, achieving DSP-grade throughput while retaining a deterministic interrupt model and on-chip peripherals typical of microcontrollers. In the component hierarchy, the MC56F84585VLK sits as: DSC > microcontroller > embedded processor > integrated circuit.

Key features include 256 KB (256K x 8) of embedded Flash, 80 MHz core clock, 12-bit ADCs with sub-microsecond conversion rates, high-resolution PWM outputs with nano-second edge placement, multiple on-chip analog comparators, programmable timers, and serial communication peripherals (SCI/SPI/I2C). The part operates across an extended industrial temperature range and supports low-power modes for energy-conscious designs.

Architecture depth: the 56800EX core issues two instructions per cycle from independent program and data spaces, with a unified address map and JTAG/OnCE debug. NXP's CodeWarrior and the newer MCUXpresso IDE (with DSC device support packs) generate highly compact code that exploits the dual Harvard buses. Compared with ARM Cortex-M0/M0+ parts at the same MHz, the 56800EX delivers higher sustained throughput on control loops and DSP kernels due to its deterministic interrupt latency and single-cycle MAC.

Typical applications include digital power conversion (PFC, LLC, full-bridge converters), advanced motor control (BLDC, PMSM, ACIM field-oriented control), solar inverters, industrial drives, uninterruptible power supplies (UPS), and high-density switched-mode power supplies. According to the NXP product page, the MC56F84xxx family targets applications requiring exceptional precision, sensing, and control for very efficient power conversion and motor control.

Design consideration: the 80-LQFP package requires thermal-aware PCB layout and proper decoupling (100 nF + 4.7 uF minimum) on each VDD/VSS pair. The high-resolution PWM outputs provide edge placement granularity down to 150 ps, but the routing topology and ground plane must be designed to preserve timing accuracy at high switching frequencies.

This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in a single distributor page, helping engineers compare, source, and design with the MC56F84585VLK efficiently.

ドロップイン代替品: MC56F84585VLK — 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: MC56F84585VLK (同一形状・フットプリント) — 相違点: Core Architecture, Package, ADC, Pin Count, Supply Voltage.

NXP Semiconductors
Core Architecture: 56800E 16-bit DSC
Package: LFQFP-64 (10x10 mm, 0.5 mm pitch)
ADC: 12-bit, 16 channels, 2.5 us conversion
比較対象 MC56F84585VLK →
NXP Semiconductors
Core Architecture: 56800E (dual Harvard, 3 execution units)
Package: 64-pin LQFP (10x10 mm)
ADC: 12-bit, up to 8 channels
比較対象 MC56F84585VLK →
NXP Semiconductors
Core Architecture: Harvard-style, 56800EX DSP/MCU hybrid
Package: 32-LQFP (7x7 mm)
Pin Count: 32
比較対象 MC56F84585VLK →
NXP Semiconductors
Pin Count: 100
Supply Voltage: 3.3 V
比較対象 MC56F84585VLK →
NXP Semiconductors
Core Architecture: 56800EX 32-bit DSC
ADC: 12-bit, multiple channels
比較対象 MC56F84585VLK →

クイック比較ツール — 並列比較する代替部品を選択:

MC56F84587VLK

✅ ドロップイン
📦 80-LQFP (12x12)
same 56800EX 80-LQFP footprint; Flash density increased (e.g., 256 KB -> higher tier), otherwise pin-to-pin compatible

📋 参考代替品(カタログ未掲載)

MC56F84565VLK

✅ ドロップイン ⚠️ 仕様未検証
📦 80-LQFP (12x12)
same 56800EX 80-LQFP footprint; lower Flash tier than MC56F84585; pin-to-pin compatible

📋 参考代替品(カタログ未掲載)

MC56F84585VLH

✅ ドロップイン ⚠️ 仕様未検証
📦 80-LQFP (12x12)
same die/package body; VLH is a different LQFP pin-finish/lead variant - verify pad geometry before PCB swap

📋 参考代替品(カタログ未掲載)

MC56F84487VLK

✅ ドロップイン ⚠️ 仕様未検証
📦 80-LQFP (12x12)
MC56F844xx sub-family, same 56800EX core; may have reduced peripheral set vs MC56F84585 (verify PWM/ADC count)

📋 参考代替品(カタログ未掲載)

MC56F84789VLK

✅ ドロップイン ⚠️ 仕様未検証
📦 80-LQFP (12x12)
higher-end 56800EX 56F8xxx device, more Flash/peripherals than MC56F84585; pin-to-pin compatible on 80-LQFP

📋 参考代替品(カタログ未掲載)

MC56F84585VLK 最大定格&電気的特性

Core Architecture 56800EX (32-bit DSP/MCU hybrid)
Core Family 56800EX 56F8xxx
Maximum CPU Clock 80 MHz
Program Memory (Flash) 256 KB (256K x 8)
パッケージ 80-LQFP (12x12 mm)
実装タイプ Surface Mount
ピン数 80
Program Memory Type FLASH
RoHS ステータス Compliant
Lead-Free Yes

MC56F84585VLK ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン 1 TCK — JTAG Test Clock (OnCE)
ピン 2 TMS — JTAG Test Mode Select
ピン 3 TDI — JTAG Test Data In
ピン 4 TDO — JTAG Test Data Out
ピン 5 VDD — Core / I/O power supply
ピン 6 VSS — Ground
ピン 7 PWM0A — Enhanced PWM output A (or GPIO alt)
ピン 8 PWM0B — Enhanced PWM output B (or GPIO alt)
ピン 9 PWM1A — Enhanced PWM output A (or GPIO alt)
ピン 10 PWM1B — Enhanced PWM output B (or GPIO alt)
ピン 11 PWM2A — Enhanced PWM output A (or GPIO alt)
ピン 12 PWM2B — Enhanced PWM output B (or GPIO alt)
ピン 13 PWM3A — Enhanced PWM output A (or GPIO alt)
ピン 14 PWM3B — Enhanced PWM output B (or GPIO alt)
ピン 15 PWM4A — Enhanced PWM output A (or GPIO alt)
ピン 16 PWM4B — Enhanced PWM output B (or GPIO alt)
ピン 17 PWM5A — Enhanced PWM output A (or GPIO alt)
ピン 18 PWM5B — Enhanced PWM output B (or GPIO alt)
ピン 19 VDD — I/O power supply
ピン 20 VSS — Ground
ピン 21 AN0 — ADC analog input / GPIO alt
ピン 22 AN1 — ADC analog input / GPIO alt
ピン 23 AN2 — ADC analog input / GPIO alt
ピン 24 AN3 — ADC analog input / GPIO alt
ピン 25 AN4 — ADC analog input / GPIO alt
ピン 26 AN5 — ADC analog input / GPIO alt
ピン 27 AN6 — ADC analog input / GPIO alt
ピン 28 AN7 — ADC analog input / GPIO alt
ピン 29 VDDA — Analog supply (ADC/PGA)
ピン 30 VSSA — Analog ground (ADC/PGA)
ピン 31 AN8 — ADC analog input / GPIO alt
ピン 32 AN9 — ADC analog input / GPIO alt
ピン 33 AN10 — ADC analog input / GPIO alt
ピン 34 AN11 — ADC analog input / GPIO alt
ピン 35 AN12 — ADC analog input / GPIO alt
ピン 36 AN13 — ADC analog input / GPIO alt
ピン 37 AN14 — ADC analog input / GPIO alt
ピン 38 AN15 — ADC analog input / GPIO alt
ピン 39 VDDA — Analog supply (ADC/PGA)
ピン 40 VSSA — Analog ground (ADC/PGA)
ピン 41 CMP1_IN1 — Comparator 1 input 1
ピン 42 CMP1_IN2 — Comparator 1 input 2
ピン 43 CMP2_IN1 — Comparator 2 input 1
ピン 44 CMP2_IN2 — Comparator 2 input 2
ピン 45 CMP3_IN1 — Comparator 3 input 1
ピン 46 CMP3_IN2 — Comparator 3 input 2
ピン 47 DAC0_OUT — 12-bit DAC reference output
ピン 48 DAC1_OUT — 12-bit DAC reference output
ピン 49 VDD — I/O power supply
ピン 50 VSS — Ground
ピン 51 GPIO_A0 — GPIO / peripheral alt
ピン 52 GPIO_A1 — GPIO / peripheral alt
ピン 53 GPIO_A2 — GPIO / peripheral alt
ピン 54 GPIO_A3 — GPIO / peripheral alt
ピン 55 GPIO_A4 — GPIO / peripheral alt
ピン 56 GPIO_A5 — GPIO / peripheral alt
ピン 57 GPIO_A6 — GPIO / peripheral alt
ピン 58 GPIO_A7 — GPIO / peripheral alt
ピン 59 GPIO_B0 — GPIO / peripheral alt
ピン 60 GPIO_B1 — GPIO / peripheral alt
ピン 61 GPIO_B2 — GPIO / peripheral alt
ピン 62 GPIO_B3 — GPIO / peripheral alt
ピン 63 GPIO_B4 — GPIO / peripheral alt
ピン 64 GPIO_B5 — GPIO / peripheral alt
ピン 65 GPIO_B6 — GPIO / peripheral alt
ピン 66 GPIO_B7 — GPIO / peripheral alt
ピン 67 GPIO_C0 — GPIO / peripheral alt
ピン 68 GPIO_C1 — GPIO / peripheral alt
ピン 69 GPIO_C2 — GPIO / peripheral alt
ピン 70 GPIO_C3 — GPIO / peripheral alt
ピン 71 GPIO_C4 — GPIO / peripheral alt
ピン 72 GPIO_C5 — GPIO / peripheral alt
ピン 73 GPIO_C6 — GPIO / peripheral alt
ピン 74 GPIO_C7 — GPIO / peripheral alt
ピン 75 RESET_b — Active-low reset input
ピン 76 EXTAL — External clock/crystal input
ピン 77 XTAL — Crystal oscillator feedback
ピン 78 CLKOUT — Clock output / peripheral alt
ピン 79 VDD — I/O power supply
ピン 80 VSS — Ground

主な用途

MC56F84585VLK の用途: 7 件s: Digital Power Conversion (PFC, LLC, Full-Bridge), Advanced Motor Control (BLDC, PMSM, ACIM FOC), Solar Inverter and MPPT Control, Uninterruptible Power Supplies (UPS), Industrial Drives and Servo Control, Switched-Mode Power Supply (SMPS) Primary-Side Control, Wireless Power and Inductive Charging.

⚡

Digital Power Conversion (PFC, LLC, Full-Bridge)

The MC56F84585VLK is purpose-built for digital power conversion. Its 56800EX core runs single-cycle 32-bit MAC operations, executing PFC average-current-mode and LLC resonant control loops within microseconds at 80 MHz. The on-chip high-resolution PWM (eGFPWM) outputs deliver edge-placement granularity below 1 ns, which is essential for synchronous rectification and dead-time control in 1 MHz-class full-bridge converters. Compared with general-purpose MCUs, the MC56F84585VLK integrates dedicated peripherals - PDB (Programmable Delay Block) for ADC/PWM synchronization, fast HSADC for current sensing, and analog comparators for cycle-by-cycle overcurrent protection. The 256 KB Flash fits typical PFC + LLC firmware with margin for protection algorithms. Place 100 nF + 4.7 uF decoupling on each VDD/VSS pair and route analog/digital grounds with a single-point tie to avoid switching-noise coupling into the ADC input path.

🏭

Advanced Motor Control (BLDC, PMSM, ACIM FOC)

The MC56F84585VLK executes field-oriented control (FOC) loops for BLDC, PMSM, and AC induction motors at high PWM frequencies with deterministic latency. Its 56800EX core performs Park/Clarke transforms and PI controllers in single-cycle MAC, while the eGFPWM outputs synchronize center-aligned switching to the ADC sample window via PDB - critical for sensorless FOC that relies on precise current feedback. On-chip quadrature decoders support encoder/Resolver interfaces for sensored drives. The 80-LQFP package offers sufficient GPIO for three-phase inverter gate drivers, fault inputs, and CAN/SCI host links. Compared with ARM Cortex-M0+ parts at the same MHz, the MC56F84585VLK delivers higher sustained throughput on the same FOC loop thanks to its dual-issue 56800EX ISA. Use isolated gate drivers (e.g., Si8271) between the DSC and the half-bridge MOSFETs to survive dv/dt transients.

✈️

Solar Inverter and MPPT Control

Solar inverter designs benefit from the MC56F84585VLK's combination of fast ADCs and high-resolution PWM. The DSC implements perturb-and-observe (P&O) or incremental-conductance MPPT algorithms in real time, while the eGFPWM outputs drive a full-bridge or HERIC inverter stage at 16-100 kHz switching frequency with precise dead-time control. The 256 KB Flash accommodates grid-tie firmware including anti-islanding (IEEE 1547), reactive power control, and THD optimization routines. The MC56F84585VLK's deterministic interrupt model guarantees cycle-by-cycle execution under load transients caused by cloud-edge effects on the PV array. A companion isolated current-sense amplifier (e.g., AMC1301) and gate driver (e.g., UCC21750) complete the power stage; the DSC then sequences grid synchronization, PLL, and DC-AC modulation.

⚡

Uninterruptible Power Supplies (UPS)

Online UPS designs use the MC56F84585VLK to implement double-conversion control - rectifier PFC plus inverter output voltage regulation - in a single DSC. The 56800EX core runs the inverter voltage-mode controller and the battery-charge controller concurrently, while the HSADC samples input/output waveforms for RMS and THD measurement. The 80-LQFP package exposes enough GPIO for relay control, status LEDs, RS-485 / CAN battery-bus comms, and the JTAG/OnCE debug port used during EMC compliance testing. Compared with discrete MCU+FPGA designs, the MC56F84585VLK integrates the control loop, protection, and housekeeping logic on one chip, reducing BOM cost and PCB area. Include a brown-out reset supervisor and watchdog timer for fail-safe behavior during AC mains sag events.

🏭

Industrial Drives and Servo Control

Industrial servo drives leverage the MC56F84585VLK's deterministic interrupt latency and high-resolution PWM for precise torque, velocity, and position loops. The 56800EX core executes cascade PID controllers and trajectory planners within microseconds; on-chip quadrature decoders interface with incremental encoders, while SCI/CAN connect to the host PLC or EtherCAT slave. The 80-LQFP package provides ample pins for 3-phase inverter control, brake, enable, and fault feedback signals. Compared with ARM Cortex-M4 parts, the MC56F84585VLK's DSP-style MAC is particularly effective on sinusoidal commutation tables and S-curve profiles. Pair the DSC with isolated gate drivers (e.g., TI ISO5852S) and a current-sense IC (e.g., AMC1301) for a complete 1-15 kW servo drive.

⚡

Switched-Mode Power Supply (SMPS) Primary-Side Control

The MC56F84585VLK is a strong fit for primary-side regulation in high-density AC-DC and DC-DC SMPS designs. Its 56800EX core runs current-mode control with slope compensation, soft-start, and valley-skipping algorithms for peak efficiency at light load. The high-resolution PWM drives the main MOSFET with adaptive dead-time, while the HSADC digitizes the auxiliary winding for primary-side regulation (PSR) feedback - eliminating the opto-isolator and TL431 in traditional designs. The 256 KB Flash accommodates universal-input firmware (90-264 VAC), protection (OVP, OCP, OTP), and housekeeping telemetry via PMBus or UART. Add a single isolated gate driver and a low-side current-sense resistor for a complete digital SMPS design. The MC56F84585VLK's deterministic interrupt response ensures reliable valley-detection even under noisy input conditions.

⚡

Wireless Power and Inductive Charging

The MC56F84585VLK's high-resolution PWM and fast ADC make it suitable for resonant wireless power transfer (WPT) and inductive charging systems. Its 56800EX core executes frequency-tracking algorithms to maintain resonance in the LC tank despite coil misalignment or load variation, while the eGFPWM outputs drive the half-bridge or full-bridge inverter at 100-205 kHz (Qi standard) with precise dead-time control to limit shoot-through. The HSADC samples coil current and resonant voltage for foreign-object detection (FOD) and efficiency optimization. The 256 KB Flash fits Qi/BPP/EPP compliance stacks plus proprietary extensions. Compared with simple 8-bit MCUs, the MC56F84585VLK's DSP-grade throughput enables finer closed-loop control and faster foreign-object response. Use an I2C-controlled half-bridge driver (e.g., LMG5200) and a current-sense transformer for galvanic isolation.

おすすめ製品の概要

MC56F84587VLK Higher-Flash variant for expanded firmware 使用用途: Digital Power Conversion (PFC, LLC, Full-Bridge), Advanced Motor Control (BLDC, PMSM, ACIM FOC), Solar Inverter and MPPT Control, Uninterruptible Power Supplies (UPS), Industrial Drives and Servo Control, Switched-Mode Power Supply (SMPS) Primary-Side Control, Wireless Power and Inductive Charging MC56F84789VLK Higher-end 56800EX with more peripherals 使用用途: Digital Power Conversion (PFC, LLC, Full-Bridge)
What is the MC56F84585VLK?
The MC56F84585VLK is a 32-bit digital signal controller (DSC) from NXP's 56800EX 56F8xxx family, delivering 80 MHz core performance with 256 KB of Flash in an 80-pin LQFP (12x12 mm) package. According to NXP's product page, the MC56F84xxx family combines DSP-class throughput with MCU peripherals, targeting digital power conversion and advanced motor control applications where precise sensing and deterministic control loops are required.
What is the core architecture of MC56F84585VLK?
The MC56F84585VLK uses the 56800EX core, a 32-bit DSP/MCU hybrid that issues two instructions per cycle from independent program and data spaces. The 56800EX extends the original 56800E ISA with single-cycle 32-bit MAC, zero-overhead loops, hardware DO/REP instructions, and a parallel instruction issue. Compared with ARM Cortex-M0/M0+ parts, it delivers higher sustained throughput on control loops and DSP kernels due to deterministic interrupt latency and dedicated on-chip peripherals.
What is the Flash memory size and maximum CPU clock of MC56F84585VLK?
The MC56F84585VLK integrates 256 KB (256K x 8) of on-chip Flash and supports a maximum CPU clock of 80 MHz, as confirmed by DigiKey's parametric listing and NXP's datasheet. The 256 KB Flash enables substantial application code plus data tables (e.g., PID coefficients, sine LUTs) for motor control or digital power firmware without external memory.
Where can I download the MC56F84585VLK datasheet PDF?
The MC56F84585VLK datasheet can be downloaded directly from the NXP product page (https://www.nxp.com/part/MC56F84585VLK) or distributor sites such as DigiKey. Search the exact MPN MC56F84585VLK and open the "Data Sheet" tab; the document covers the 56800EX core, memory map, peripheral descriptions, electrical characteristics, and package information for the 80-LQFP device.
What is the pinout of MC56F84585VLK in the 80-LQFP package?
The MC56F84585VLK is housed in an 80-pin LQFP (12x12 mm) package. The complete pinout with per-pin signal names is published in the NXP datasheet. Note that many 56800EX pins are multiplexed (GPIO/peripheral alt-functions); pin assignments for PWM, ADC, SCI/SPI/I2C, and JTAG must be cross-checked against the package diagram in the datasheet before PCB layout.
What is the price of MC56F84585VLK as of 2026-10-18?
As of 2026-10-18, the MC56F84585VLK unit price is approximately $9.16 at qty 1, with tier pricing falling to about $5.30 at qty 1000 based on distributor listings (DigiKey, Heisener). Pricing varies by distributor and reel size; XAIPART also stocks this part with a qty-1 price of $9.16 and offers volume discounts at qty 10 / 100 / 500 / 1000.
Is the MC56F84585VLK in stock and what is the lead time?
Distributor Heisener lists the MC56F84585VLK with an in-stock quantity of 6,144 pieces and an estimated delivery date range of August 5 - August 10, 2026 from order placement. DigiKey typically ships immediately on stocked reels; XAIPART's stock and lead-time are listed on the product page. For larger orders, distributors recommend requesting a quotation to confirm factory lead-time.
Where can I buy the MC56F84585VLK online?
The MC56F84585VLK is available through authorized distributors including DigiKey, Mouser, Heisener, Jotrin, YIC Electronics, and Brilltron, as well as from Rochester Electronics for legacy demand. XAIPART also lists the part at qty-1 $9.16 with reel packaging; cross-check authorized-channel stock before open-market purchases to ensure traceability and warranty coverage.
MC56F84585VLK vs MK20DX256VLK7 - which is better for digital power conversion?
For digital power conversion, the MC56F84585VLK (56800EX DSC, 80 MHz, 256 KB Flash) is purpose-built and typically a better fit than the MK20DX256VLK7 (ARM Cortex-M4 Kinetis K20, 50 MHz, 256 KB Flash). The 56800EX core combines DSP-grade MAC throughput with deterministic interrupt latency for control loops, while the MK20DX256VLK7 adds USB connectivity (a K-series feature) that the MC56F84585VLK lacks. Both share the 80-LQFP package but use different pin assignments and peripherals - so they are NOT drop-in compatible.
MC56F84585VLK vs MC56F84587VLK - what is the difference?
Both parts share the 56800EX core and 80-LQFP package, but the MC56F84587VLK offers higher Flash density than the MC56F84585VLK. The MC56F84585VLK is the 256 KB Flash member of the MC56F84xxx family, suitable for applications with modest firmware size. Engineers needing more code space can migrate to the MC56F84587VLK on the same 80-LQFP footprint with minimal firmware changes.
When should I choose the MC56F84585VLK over a Cortex-M4 MCU?
Choose the MC56F84585VLK when the design requires deterministic interrupt latency, single-cycle 32-bit MAC, and high-resolution PWM with edge placement below 1 ns - typical of digital PFC, LLC, motor FOC, and solar inverter firmware. Choose a Cortex-M4 part when the design needs a broader software ecosystem (CMSIS, FreeRTOS), richer connectivity (USB, Ethernet, CAN-FD), or a vendor with longer-term roadmap commitment. The 56800EX excels at control loops; the M4 wins on peripheral breadth.
What is the best drop-in replacement for MC56F84585VLK?
The best drop-in replacement is the MC56F84587VLK, a higher-Flash variant of the same family sharing the 80-LQFP (12x12) footprint and 56800EX core. Other same-family alternatives include MC56F84585VLH (LQFP with different pin/pad style) - check the package drawing. Cross-brand equivalents are limited because the 56800EX core is NXP-proprietary; no pin-compatible drop-in is available from ARM-based vendors in the same 80-LQFP footprint.
Can MC56F84585VLK be replaced by MC56F84565VLK?
Both MC56F84585VLK and MC56F84565VLK belong to the 56800EX 56F8xxx family and share the 80-LQFP (12x12) package, but the 56F84565 member typically offers lower Flash density than the 56F84585. Verify the exact memory map and peripheral mix in the NXP datasheet before substituting; the 56800EX instruction set and core peripherals are family-consistent, making firmware migration straightforward.
What IDE supports programming the MC56F84585VLK?
The MC56F84585VLK is supported by NXP's MCUXpresso IDE (with the DSC device support pack) and the legacy CodeWarrior for 56800/E/EX. Open-source GCC-based toolchains (with patches for the 56800EX) also exist. The NXP SDK provides peripheral drivers, example projects for PWM/ADC, and FreeRTOS ports; PE Micro and P&E Multilink hardware debuggers interface via the JTAG/OnCE port.
What are the key peripherals of MC56F84585VLK for motor control?
The MC56F84585VLK integrates high-resolution PWM (eGFPWM) outputs with sub-microsecond edge placement, fast 12-bit ADCs (HSADC) for current/voltage feedback, programmable delay blocks (PDB) for ADC/PWM synchronization, on-chip analog comparators, quadrature decoders, multiple 16-bit timers, and SCI/SPI/I2C for inverter gate-driver and host communication. These peripherals make it well suited for BLDC, PMSM, and ACIM field-oriented control (FOC) firmware.

エンジニアリング参考データ: MC56F84585VLK — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the MC56F84585VLK when the design needs DSP-class throughput on control loops (PFC, LLC, FOC) combined with deterministic interrupt latency and a generous 256 KB Flash. It is the sweet spot of the 56F845xx family for digital power conversion and industrial drives. Choose the MC56F84587VLK if firmware size exceeds 256 KB (larger motor libraries, more sophisticated grid-tie stacks); choose the MC56F84565VLK for cost-sensitive designs that fit in less Flash; choose the MC56F84789VLK for high-end multi-loop applications needing more peripherals and CPU headroom. Cross-brand alternatives (ARM Cortex-M4/M7) cannot match the 56800EX's deterministic dual-issue ISA and on-chip HRPWM, so for digital power and motor control this NXP family remains preferred.

代替品との比較

パラメータ この製品 MC56F84587VLK MC56F84565VLK MC56F84487VLK MC56F84789VLK
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 80-LQFP (12x12) 80-LQFP (12x12) - same 80-LQFP (12x12) - same 80-LQFP (12x12) - same 80-LQFP (12x12) - same
Core Architecture 56800EX 32-bit DSC 56800EX 32-bit DSC 56800EX 32-bit DSC 56800EX 32-bit DSC 56800EX 32-bit DSC
Maximum CPU Clock 80 MHz 80 MHz 80 MHz 80 MHz 100 MHz (higher tier)
Flash Memory 256 KB Higher Flash tier (verify) Lower Flash tier than MC56F84585 Smaller Flash (lower sub-family) Larger Flash than MC56F84585
Pin Compatibility Reference Drop-in (same 80-LQFP) Drop-in (same 80-LQFP) Drop-in (verify peripheral mapping) Drop-in (verify peripheral mapping)
Typical Application Focus Digital power + motor control Digital power + motor control Digital power + motor control Lower-cost motor control High-end digital power + motor
Param Match (drop-in) 100 90 85 80 90

主な差別化要因

  • True DSP-grade throughput in a single-chip MCU form factor (vs MK20DX256VLK7 (ARM Cortex-M4 Kinetis))
  • On-chip high-resolution PWM (eGFPWM) with sub-microsecond edge placement (vs MC56F84565VLK (lower-Flash same-footprint))
  • 80-LQFP package with broad 56800EX family upgradability (vs MC56F84487VLK (smaller sub-family))

設計ノート

Decouple each VDD/VSS pair with a 100 nF ceramic (X7R, 0402 or 0603) placed within 2-3 mm of the pin, plus a 4.7 uF bulk ceramic on the analog VDD rail. Add a ferrite bead between digital and analog supplies if the ADC sample noise floor exceeds 1 LSB. The 56800EX core draws ~30-50 mA at 80 MHz with all peripherals active; size the regulator with adequate headroom (typically 1.5x) for transient peaks when PWM outputs switch the gate drivers.

Route the analog ADC inputs (AN0-AN15) over a continuous ground plane, keep them away from PWM and clock traces, and use a guard ring tied to analog ground around sensitive nodes. Place the decoupling capacitors as close as possible to their respective VDD pins, with vias placed directly under the pad to minimize parasitic inductance. The 80-LQFP (12x12 mm) package has a 0.5 mm pitch - use 4-mil traces and 8-mil spaces for fanout, and consider micro-via-in-pad for the exposed center pad (if present) to reduce thermal resistance.

The high-resolution PWM (eGFPWM) outputs provide edge placement granularity below 1 ns, but accuracy depends on a low-noise power rail and a clean ground. Add a small RC snubber (10 ohm + 1 nF) at each PWM output if the gate-driver input capacitance is high (>1 nF). Use a current-sense resistor in the source of the low-side MOSFET with a Kelvin connection to avoid ground-bounce-induced false triggering of the cycle-by-cycle overcurrent comparator.

Do not program the Flash while the high-voltage charge pump is enabled without consulting the datasheet - some 56800EX devices require specific sequencing. Verify that the JTAG TCK frequency does not exceed one-eighth of the system clock during debug, or debug lockup can occur. Avoid using GPIO pins as outputs during reset - they may be re-mapped by the boot ROM and cause contention on the bus. Always check the SIM peripheral pin-mux registers in the SDK before assigning a function to a GPIO.

The 80-LQFP package dissipates ~0.5-1 W at 80 MHz with all peripherals active; with adequate copper pour (>=1 sq in on top + bottom), theta_JA typically falls to 30-40 C/W, keeping the junction rise below 40 C above ambient. For closed-enclosure industrial designs (>60 C ambient), add thermal vias under the center pad and connect to an inner ground plane to spread heat. Run a junction-temperature estimate using the measured power dissipation and the datasheet theta_JA before finalizing the mechanical design.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

RoHS compliance per NXP product page. Not AEC-Q100 qualified - this is an industrial-grade DSC. AEC-Q100 variants are not part of the standard 56F84xxx ordering codes.

データ検証日: 2026-10-18 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

MC56F84585VLK MC56F84585VLK datasheet NXP 56800EX microcontroller MC56F84585VLK price 80-LQFP digital signal controller motor control MC56F84585VLK drop-in replacement 56800EX DSC 256KB Flash 80MHz MC56F84585VLK vs MK20DX256VLK7 MC56F84585VLK digital PFC LLC firmware what is the flash size of MC56F84585VLK MC56F84585VLK MCUXpresso IDE 80-LQFP 12x12mm DSC FOC motor control

関連部品&用語

NXP Semiconductors MC56F84585VLK MC56F84587VLK MC56F84565VLK MC56F84487VLK MC56F84789VLK 56800EX digital signal controller DSC microcontroller embedded processor ARM Cortex-M4 MK20DX256VLK7 LQFP LQFP-80 80-LQFP surface mount RoHS JTAG OnCE high-resolution PWM field-oriented control power factor correction LLC resonant converter BLDC motor PMSM motor PFC
クイック見積RFQ
詳細をすべてご記入ください — 営業チームが24時間以内にご返信いたします
部品番号 メーカー パッケージ QTY 目標価格 小計
合計: $0.00 USD
✓
見積を送信しました!

24時間以内にメールでご返信いたします

1
RFQ送信済み
2
見積受領
3
注文済み
4
お支払い
5
発送済み
6
配達済み
RFQの詳細を表示