MC56F84585VLK - 32-bit 80MHz DSC, 256KB Flash, 80-LQFP | NXP
MPN: MC56F84585VLK ✓ Hoạt độngMC56F84585VLK Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC56F84585VLK — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC56F84585VLK (cùng hình factor và footprint) — khác nhau ở Core Architecture, Package, ADC, Pin Count, Supply Voltage.
MC56F84587VLK
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC56F84565VLK
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC56F84585VLH
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC56F84487VLK
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC56F84789VLK
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC56F84585VLK Tỷ lệ tối đa & tính chất điện
| 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) |
| Hộp | 80-LQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Số chân | 80 |
| Program Memory Type | FLASH |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân MC56F84585VLK
| Chân 1 | TCK — JTAG Test Clock (OnCE) |
| Chân 2 | TMS — JTAG Test Mode Select |
| Chân 3 | TDI — JTAG Test Data In |
| Chân 4 | TDO — JTAG Test Data Out |
| Chân 5 | VDD — Core / I/O power supply |
| Chân 6 | VSS — Ground |
| Chân 7 | PWM0A — Enhanced PWM output A (or GPIO alt) |
| Chân 8 | PWM0B — Enhanced PWM output B (or GPIO alt) |
| Chân 9 | PWM1A — Enhanced PWM output A (or GPIO alt) |
| Chân 10 | PWM1B — Enhanced PWM output B (or GPIO alt) |
| Chân 11 | PWM2A — Enhanced PWM output A (or GPIO alt) |
| Chân 12 | PWM2B — Enhanced PWM output B (or GPIO alt) |
| Chân 13 | PWM3A — Enhanced PWM output A (or GPIO alt) |
| Chân 14 | PWM3B — Enhanced PWM output B (or GPIO alt) |
| Chân 15 | PWM4A — Enhanced PWM output A (or GPIO alt) |
| Chân 16 | PWM4B — Enhanced PWM output B (or GPIO alt) |
| Chân 17 | PWM5A — Enhanced PWM output A (or GPIO alt) |
| Chân 18 | PWM5B — Enhanced PWM output B (or GPIO alt) |
| Chân 19 | VDD — I/O power supply |
| Chân 20 | VSS — Ground |
| Chân 21 | AN0 — ADC analog input / GPIO alt |
| Chân 22 | AN1 — ADC analog input / GPIO alt |
| Chân 23 | AN2 — ADC analog input / GPIO alt |
| Chân 24 | AN3 — ADC analog input / GPIO alt |
| Chân 25 | AN4 — ADC analog input / GPIO alt |
| Chân 26 | AN5 — ADC analog input / GPIO alt |
| Chân 27 | AN6 — ADC analog input / GPIO alt |
| Chân 28 | AN7 — ADC analog input / GPIO alt |
| Chân 29 | VDDA — Analog supply (ADC/PGA) |
| Chân 30 | VSSA — Analog ground (ADC/PGA) |
| Chân 31 | AN8 — ADC analog input / GPIO alt |
| Chân 32 | AN9 — ADC analog input / GPIO alt |
| Chân 33 | AN10 — ADC analog input / GPIO alt |
| Chân 34 | AN11 — ADC analog input / GPIO alt |
| Chân 35 | AN12 — ADC analog input / GPIO alt |
| Chân 36 | AN13 — ADC analog input / GPIO alt |
| Chân 37 | AN14 — ADC analog input / GPIO alt |
| Chân 38 | AN15 — ADC analog input / GPIO alt |
| Chân 39 | VDDA — Analog supply (ADC/PGA) |
| Chân 40 | VSSA — Analog ground (ADC/PGA) |
| Chân 41 | CMP1_IN1 — Comparator 1 input 1 |
| Chân 42 | CMP1_IN2 — Comparator 1 input 2 |
| Chân 43 | CMP2_IN1 — Comparator 2 input 1 |
| Chân 44 | CMP2_IN2 — Comparator 2 input 2 |
| Chân 45 | CMP3_IN1 — Comparator 3 input 1 |
| Chân 46 | CMP3_IN2 — Comparator 3 input 2 |
| Chân 47 | DAC0_OUT — 12-bit DAC reference output |
| Chân 48 | DAC1_OUT — 12-bit DAC reference output |
| Chân 49 | VDD — I/O power supply |
| Chân 50 | VSS — Ground |
| Chân 51 | GPIO_A0 — GPIO / peripheral alt |
| Chân 52 | GPIO_A1 — GPIO / peripheral alt |
| Chân 53 | GPIO_A2 — GPIO / peripheral alt |
| Chân 54 | GPIO_A3 — GPIO / peripheral alt |
| Chân 55 | GPIO_A4 — GPIO / peripheral alt |
| Chân 56 | GPIO_A5 — GPIO / peripheral alt |
| Chân 57 | GPIO_A6 — GPIO / peripheral alt |
| Chân 58 | GPIO_A7 — GPIO / peripheral alt |
| Chân 59 | GPIO_B0 — GPIO / peripheral alt |
| Chân 60 | GPIO_B1 — GPIO / peripheral alt |
| Chân 61 | GPIO_B2 — GPIO / peripheral alt |
| Chân 62 | GPIO_B3 — GPIO / peripheral alt |
| Chân 63 | GPIO_B4 — GPIO / peripheral alt |
| Chân 64 | GPIO_B5 — GPIO / peripheral alt |
| Chân 65 | GPIO_B6 — GPIO / peripheral alt |
| Chân 66 | GPIO_B7 — GPIO / peripheral alt |
| Chân 67 | GPIO_C0 — GPIO / peripheral alt |
| Chân 68 | GPIO_C1 — GPIO / peripheral alt |
| Chân 69 | GPIO_C2 — GPIO / peripheral alt |
| Chân 70 | GPIO_C3 — GPIO / peripheral alt |
| Chân 71 | GPIO_C4 — GPIO / peripheral alt |
| Chân 72 | GPIO_C5 — GPIO / peripheral alt |
| Chân 73 | GPIO_C6 — GPIO / peripheral alt |
| Chân 74 | GPIO_C7 — GPIO / peripheral alt |
| Chân 75 | RESET_b — Active-low reset input |
| Chân 76 | EXTAL — External clock/crystal input |
| Chân 77 | XTAL — Crystal oscillator feedback |
| Chân 78 | CLKOUT — Clock output / peripheral alt |
| Chân 79 | VDD — I/O power supply |
| Chân 80 | VSS — Ground |
Ứng dụng tiêu biểu
MC56F84585VLK phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC56F84585VLK — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- True DSP-grade throughput in a single-chip MCU form factor (vsMK20DX256VLK7 (ARM Cortex-M4 Kinetis))
- On-chip high-resolution PWM (eGFPWM) with sub-microsecond edge placement (vsMC56F84565VLK (lower-Flash same-footprint))
- 80-LQFP package with broad 56800EX family upgradability (vsMC56F84487VLK (smaller sub-family))
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.