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NXP Semiconductors MC56F83686VLK
- Part No.:
- MC56F83686VLK
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
MC56F83686VLK.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,512
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Product details
Overview
MC56F83686VLK from NXP is a 100 MHz 32-bit DSC based on the 56800EX core, featuring 256 KB flash, 64 KB SRAM, dual 12-bit 3 MSPS ADCs, CAN FD interface, and no USB FS OTG or high-resolution PWM. It targets digital power conversion and motor control in photovoltaic systems, onboard chargers, and industrial drives.
For engineers reviewing the MC56F83686VLK datasheet, MC56F83686VLK pinout, MC56F83686VLK application, or MC56F83686VLK equivalent, key selection criteria include flash swap support (absent), CAN FD capability, LQFP80 package compatibility, and absence of USB/HRPWM-critical for cost-optimized, real-time control designs without crystal-less connectivity or ultra-high-frequency switching.
Technical Context
The MC56F83686VLK implements the 56800EX DSP core with deterministic single-cycle math and fractional arithmetic, enabling tight control loops in power converters. Its inter-module crossbar (XBAR) and event generator (EVTG) coordinate timing-critical peripherals including eFlexPWM channels (disabled in this variant) and dual ADCs.
It integrates a PLL with 200 kHz–48 MHz oscillator support, boot ROM (32 KB) for I2C/UART/CAN-based firmware updates, and memory protection (MRP) to isolate supervisor/user code regions-essential for functional safety in industrial motor drives and OBCs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 56800EX 32-bit DSP core, 100 MHz operation enables real-time execution of complex PI/PID and observer algorithms. |
| Flash Memory | 256 KB with ECC, supports robust firmware storage and field updates without external memory. |
| SRAM | 64 KB, allows full application code execution from RAM for deterministic low-latency interrupt response. |
| ADC | Dual 12-bit, 3 MSPS per channel with PGA, reduces sampling jitter for precise current/voltage sensing in SMPS. |
| CAN Interface | FlexCAN module supporting CAN FD (up to 5 Mbps) and CAN 2.0B, enables high-bandwidth diagnostics and coordination in multi-inverter systems. |
| Package | LQFP80, 0.5 mm pitch, compatible with standard PCB assembly and thermal management for 105 °C ambient operation. |
| Operating Temp | −40 °C to +105 °C, qualified for industrial and automotive charging infrastructure environments. |
Pinout & Package
LQFP80 package with 0.5 mm lead pitch, 12 × 12 mm body size, and exposed thermal pad for enhanced heat dissipation in high-power control applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Separate analog/digital domains with dedicated pins reduce noise coupling in mixed-signal control loops. |
| ADC0_IN0–ADC0_IN7, ADC1_IN0–ADC1_IN7 | Analog input channels | 16 total inputs support simultaneous sampling across two ADCs for three-phase current reconstruction. |
| CAN_TX, CAN_RX | CAN FD differential signal pair | Direct connection to ISO 11898-2 transceiver; supports bit rates up to 5 Mbps for fast fault reporting. |
| UART0_TX, UART0_RX, UART1_TX, UART1_RX, UART2_TX, UART2_RX | Asynchronous serial interfaces | Three independent UARTs enable bootloader updates via CAN/I2C/UART without requiring USB hardware. |
| I2C0_SCL, I2C0_SDA, I2C1_SCL, I2C1_SDA | Two SMBus-compatible I²C buses | Support external EEPROM, temperature sensors, or PMIC configuration without GPIO bit-banging overhead. |
| RESET_B | Active-low reset input | Debounced externally or internally; initiates boot ROM sequence if flash fails verification. |
| XTAL_IN, XTAL_OUT | Crystal oscillator connections | Supports 4–25 MHz crystals; internal PLL generates 100 MHz core clock with ±0.5% stability over temperature. |
Key Features
| Feature | Design Value |
|---|---|
| Boot ROM (32 KB) | Enables secure firmware recovery and field updates via I²C/UART/CAN-no flash space consumed for bootloader. |
| Memory Protection (MRP) | Prevents user-mode code from accessing critical registers or boot ROM, meeting SIL2-level memory isolation requirements. |
| Dual 12-bit 3 MSPS ADCs | Simultaneous sampling eliminates phase skew in vector-controlled motor drives and bidirectional DC-DC converters. |
| 5V-tolerant GPIO | Interfaces directly with legacy 5 V logic and industrial sensors without level shifters, reducing BOM count and layout complexity. |
| Inter-module Crossbar (XBAR) | Configurable routing of 64+ peripheral events to timers, ADC triggers, or DMA requests-eliminates fixed signal path bottlenecks. |
Applications
| Photovoltaic Inverters | Onboard Chargers (OBC) |
|---|---|
Use Scenario: Grid-tied solar inverters requiring MPPT tracking, anti-islanding detection, and reactive power control. IC Role / Device Role / Timing Role: Main DSC executing real-time PWM generation, ADC sampling, and CAN-based grid communication. Use Value: Dual 3 MSPS ADCs capture fast voltage/current transients during islanding events; CAN FD delivers grid status updates within 200 µs latency. | Use Scenario: Bidirectional AC/DC and DC/DC conversion in EV onboard chargers with thermal monitoring and safety interlocks. IC Role / Device Role / Timing Role: Primary controller managing interleaved PFC, LLC resonant stages, and battery-side DC-DC regulation. Use Value: 100 MHz core executes dual-loop control at 20 kHz switching frequency; 5V-tolerant I/O interfaces directly with thermistors and contactor drivers. |
| Industrial Motor Drives | Uninterruptible Power Supplies |
Use Scenario: Closed-loop vector control of PMSM/BLDC motors in CNC spindles and pumps with field-oriented control (FOC). IC Role / Device Role / Timing Role: Real-time FOC engine synchronizing PWM, ADC, and encoder feedback with sub-microsecond jitter. Use Value: XBAR and EVTG route encoder index pulses directly to timer capture units, eliminating software polling and ensuring <100 ns timing uncertainty. | Use Scenario: Online double-conversion UPS systems requiring seamless transfer, harmonic compensation, and battery management. IC Role / Device Role / Timing Role: Central controller coordinating rectifier, inverter, and bypass thyristor sequencing with precise dead-time insertion. Use Value: Memory protection isolates firmware update routines from real-time control tasks, preventing corruption during firmware patching under load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC56F83786VLK | Includes flash swap, high-resolution PWM (16-channel, 312 ps), USB FS OTG, and boot ROM-adds 12 KB code footprint overhead. | Required where firmware A/B swapping or >100 kHz switching (e.g., wireless charging) is mandatory. | Select when HR PWM or dual-bank flash is needed; otherwise MC56F83686VLK reduces cost and simplifies layout. |
| MC56F83683VLH | LQFP64 package (16 fewer pins), same flash/SRAM/ADC/CAN FD specs but reduced GPIO and peripheral count. | Suitable for space-constrained designs with fewer analog inputs or communication interfaces. | Choose for compact form factor where 64-pin I/O suffices; MC56F83686VLK provides 16 additional GPIOs and ADC channels. |
Compared with MC56F83786VLK and MC56F83683VLH, the MC56F83686VLK offers optimal balance of CAN FD, dual high-speed ADCs, and 256 KB flash in LQFP80-ideal for industrial OBCs and PV inverters where USB and HR PWM are unnecessary.
Availability
MC56F83686VLK is available at Aetrix Electronics and suitable for photovoltaic inverters, onboard chargers, and industrial motor drives requiring stable component supply, long-term lifecycle support, and automotive-grade temperature range.
Supply support for MC56F83686VLK includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MC56F83xxx family was designed specifically for high-performance digital power conversion and advanced motor control, emphasizing deterministic DSP execution, integrated analog front-ends, and real-time communication interfaces like CAN FD.
FAQ
Does MC56F83686VLK support USB functionality?
No, MC56F83686VLK does not include USB FS OTG. Unlike higher-variant members of the MC56F83xxx family such as MC56F83786VLK, this part omits the USB PHY and associated controllers. Designers requiring USB must select an alternative variant or add an external USB bridge IC. The MC56F83686VLK retains full CAN FD, UART, and I²C connectivity for industrial fieldbus integration.
What is the maximum resolution and sampling rate of the ADCs in MC56F83686VLK?
The MC56F83686VLK integrates two independent 12-bit analog-to-digital converters, each capable of up to 3 million samples per second (3 MSPS). Both ADCs include programmable gain amplifiers (PGA) and support simultaneous sampling-critical for accurate current reconstruction in three-phase motor control and power converter feedback loops.
Is MC56F83686VLK pin-compatible with other MC56F83xxx devices?
Yes, MC56F83686VLK is pin-compatible within the LQFP80 footprint group, including MC56F83766VLK and MC56F83786VLK. However, it is not pin-compatible with LQFP64 or LQFP100 variants due to differing pin counts and signal allocations. Signal mapping matches across LQFP80 parts, enabling hardware reuse when upgrading firmware features.
Does MC56F83686VLK include high-resolution PWM (HRPWM) capability?
No, MC56F83686VLK does not implement high-resolution PWM modules. HRPWM (312 ps resolution, up to 16 channels) is present only in the "7xx" subfamily (e.g., MC56F83786VLK). The MC56F83686VLK uses standard eFlexPWM with nanosecond-level resolution-sufficient for 20–100 kHz switching in industrial motor drives and SMPS, but not for >500 kHz wireless charging topologies.
What debug interfaces are supported by MC56F83686VLK?
The MC56F83686VLK supports JTAG and EOnCE (Enhanced On-Chip Emulation) debug interfaces for full-featured real-time debugging, flash programming, and trace analysis. These interfaces are compatible with standard NXP LPC-Link2 and SEGGER J-Link debug probes, and integrate seamlessly with CodeWarrior Development Studio v11 and FreeMASTER for variable monitoring and oscilloscope-style visualization.
MC56F83686VLK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 80-LQFP
- Series:
- 56F836xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 56800EX
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, LINbus, SCI, SPI
- Peripherals:
- Brown-out Detect/Reset, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 68
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 20x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC56F83686VLK FAQ
1.How can I place an order for MC56F83686VLK through Aetrix?
Please submit a Request for Quotation (RFQ) for MC56F83686VLK on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC56F83686VLK reliable?
The price and inventory of MC56F83686VLK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC56F83686VLK is usually 5 days.
3.What payment methods are accepted for MC56F83686VLK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC56F83686VLK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC56F83686VLK?
MC56F83686VLK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC56F83686VLK order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC56F83686VLK?
For technical support, including MC56F83686VLK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC56F83686VLK requirements.
6.How does Aetrix verify that MC56F83686VLK is sourced from the original manufacturer or authorized distributors?
All MC56F83686VLK products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC56F83686VLK meets industry standards.
7.What is the process for return or replacement of MC56F83686VLK?
All MC56F83686VLK units undergo pre-shipment inspection (PSI). If there is an issue with MC56F83686VLK, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC56F83686VLK part is unused and in its original packaging.
Return procedure for MC56F83686VLK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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