NXP Semiconductors MC56F83683VLH
- Part No.:
- MC56F83683VLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MC56F83683VLH.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,163
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Product details
Overview
MC56F83683VLH from NXP is a 100 MHz 32-bit digital signal controller (DSC) based on the 56800EX core, featuring 256 KB flash with no flash swap support, 64 KB SRAM, one 12-bit 3 MSPS ADC, one 12-bit DAC, CAN FD interface, USB FS OTG (no PHY), and LQFP64 packaging - designed for digital power conversion and motor control in onboard chargers and photovoltaic systems.
For engineers reviewing the MC56F83683VLH datasheet, MC56F83683VLH pinout, MC56F83683VLH application, or MC56F83683VLH equivalent, key selection criteria include absence of flash swap, lack of high-resolution PWM and eFlexPWM, no USB PHY integration, and compatibility with industrial temperature-grade LQFP64 layouts requiring CAN FD and single ADC channel support.
Technical Context
The MC56F83683VLH implements the 56800EX DSP core with deterministic single-cycle math and fractional arithmetic, enabling tight real-time control loops. Its clock system includes a PLL, 200 kHz internal oscillator, and 48 MHz USB oscillator, supporting crystal-less USB FS operation.
Peripheral architecture integrates a FlexCAN FD module compliant with ISO 11898-1:2015, a USB FS/LS 2.0 OTG controller without integrated PHY, two I²C/SMBus interfaces, two SPI modules, three UARTs, four analog comparators with 8-bit DACs, and memory protection (MRP) for safety-critical execution contexts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 56800EX 32-bit DSP core, 100 MHz max frequency for deterministic control loop execution |
| Flash Memory | 256 KB on-chip flash with ECC, no flash swap partitioning - limits dual-bank firmware update capability |
| SRAM | 64 KB general-purpose RAM, enabling full code execution from RAM for latency-sensitive routines |
| ADC | One 12-bit, 3 MSPS SAR ADC with PGA - supports high-accuracy voltage/current sensing in power stages |
| DAC | One 12-bit DAC - provides programmable reference or bias generation for analog feedback paths |
| CAN Interface | One FlexCAN module supporting CAN FD (up to 5 Mbps) and legacy CAN 2.0B - enables real-time fieldbus communication |
| USB Interface | USB FS/LS 2.0 OTG controller without integrated PHY - requires external USB transceiver for physical layer connectivity |
| Package | LQFP64, 10 mm × 10 mm, 0.5 mm pitch - compatible with standard industrial PCB assembly processes |
Pinout & Package
LQFP64 package with exposed thermal pad, RoHS-compliant, rated for −40 °C to +105 °C ambient operation. Pinout validated per NXP MC56F83XXXFS REV 4 and MC56F83683VLH datasheet revision 1.1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core power supply and ground | Separate 3.3 V domains for analog/digital sections; decoupling required per layout guidelines |
| XTAL_IN/XTAL_OUT | Crystal oscillator input/output | Supports 4–25 MHz crystals; optional 48 MHz USB clock derived internally for crystal-less operation |
| CAN_TX/CAN_RX | CAN FD differential signal pair | Direct connection to external CAN transceiver; supports bit rates up to 5 Mbps in FD mode |
| USB_DP/USB_DM | USB differential data lines | Require external USB PHY or transceiver; no on-die termination or ESD protection |
| ADC0_SE0–ADC0_SE7 | Analog input channels | Eight single-ended inputs for the sole 12-bit 3 MSPS ADC - used for voltage, current, and temperature monitoring |
| DAC0_OUT | Analog output | Single buffered 12-bit DAC output - suitable for reference voltage generation or sensor biasing |
| I²C0_SCL/I²C0_SDA | I²C bus interface | Standard-mode (100 kHz) and fast-mode (400 kHz) capable; open-drain with internal pull-ups |
| UART0_TX/UART0_RX | Asynchronous serial interface | Full-duplex UART with programmable baud rate; used for bootloader updates and debug logging |
Key Features
| Feature | Design Value |
|---|---|
| 56800EX Core Architecture | Single-cycle multiply-accumulate (MAC), fractional arithmetic, and parallel move instructions - reduces control loop latency below 1 µs |
| Memory Protection (MRP) | Configurable read/write/execute permissions per memory region - prevents unauthorized access to boot ROM and critical peripherals |
| Boot ROM (32 KB) | Pre-programmed firmware supporting I²C, UART, and CAN-based field updates - eliminates need to reserve flash for bootloader |
| 5V-Tolerant GPIO | Selected I/O pins tolerate 5 V logic levels - simplifies interfacing with legacy sensors and level-shifting circuits |
| Low-Power Operation Modes | Stop, Wait, and Doze modes with wake-up via CAN, UART, or ADC event - extends runtime in battery-backed applications |
Applications
| Onboard Charger (OBC) | Photovoltaic Inverter |
|---|---|
Use Scenario: Bidirectional AC/DC and DC/DC conversion in EV charging systems with grid synchronization and safety isolation. IC Role / Device Role / Timing Role: Primary DSC executing PFC and LLC control algorithms, managing CAN FD communication with vehicle BMS, and monitoring isolated voltage/current sensors. Use Value: 100 MHz deterministic execution and 3 MSPS ADC enable sub-microsecond sampling of fast-switching waveforms, improving power factor correction accuracy by >0.5%. | Use Scenario: MPPT tracking and grid-tied inverter control in residential solar installations with anti-islanding protection. IC Role / Device Role / Timing Role: Real-time MPPT computation engine interfacing with isolated current sensors and driving gate drivers via GPIO-controlled PWM outputs. Use Value: Single 12-bit DAC generates precise reference voltages for analog sensor conditioning, reducing external component count by two op-amp stages. |
| Industrial Motor Drive | Uninterruptible Power Supply |
Use Scenario: Closed-loop vector control of BLDC and PMSM motors in HVAC compressors and pumps with torque ripple minimization. IC Role / Device Role / Timing Role: Sensorless FOC controller using ADC-sampled back-EMF, executing Clarke/Park transforms and SVPWM modulation in real time. Use Value: 64 KB SRAM allows full FOC algorithm execution from RAM, cutting interrupt latency by 35% versus flash-resident code. | Use Scenario: Online double-conversion UPS with battery management, line regulation, and load transfer sequencing during mains failure. IC Role / Device Role / Timing Role: System supervisor coordinating rectifier, inverter, and battery charger subsystems via CAN FD, while monitoring AC input quality and DC bus voltage. Use Value: Boot ROM enables secure, field-upgradable firmware updates over CAN - eliminating service visits for critical bug fixes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC56F83783VLH | Includes flash swap, eFlexPWM (16-channel), second 12-bit ADC, USB PHY, and enhanced DMA - adds 12 KB gate driver timing resolution and dual-sensor redundancy | Required for multi-phase motor drives and redundant power conversion where dual ADCs or flash A/B swapping are mandatory | Select MC56F83783VLH when high-resolution PWM timing, dual ADC sampling, or safe firmware updates are design requirements |
| MC56F83663VLH | 128 KB flash, 48 KB SRAM, same peripheral set as MC56F83683VLH - reduces code storage and RAM headroom by 50% | Suitable for cost-optimized OBCs or UPS controllers with simpler control laws and smaller firmware footprints | Choose MC56F83663VLH for budget-sensitive designs where 256 KB flash and 64 KB SRAM headroom are unnecessary |
Compared with MC56F83783VLH, MC56F83683VLH trades flash swap, eFlexPWM, and dual ADC capability for lower unit cost and identical LQFP64 footprint; versus MC56F83663VLH, it delivers 100% more flash and 33% more SRAM without peripheral changes - ideal for feature-rich but non-redundant digital power designs.
Availability
MC56F83683VLH is available at Aetrix Electronics and suitable for onboard chargers, photovoltaic inverters, and uninterruptible power supplies requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MC56F83683VLH 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 engineered specifically for high-performance digital power conversion and advanced motor control, targeting applications demanding deterministic real-time response, integrated analog precision, and fieldbus interoperability.
FAQ
Does MC56F83683VLH support high-resolution PWM like other MC56F83xxx devices?
No, MC56F83683VLH does not include eFlexPWM or high-resolution PWM modules. Unlike MC56F837xx variants, it relies on standard timer-based PWM outputs with nanosecond-level resolution only. This omission is confirmed in the MC56F83XXX DSC FAMILY OPTIONS table and aligns with its positioning as a cost-optimized variant for applications not requiring sub-100 ps timing precision in switching control.
Is MC56F83683VLH pin-compatible with MC56F83783VLH?
Yes, MC56F83683VLH and MC56F83783VLH share identical LQFP64 packaging, pin count, and mechanical footprint. However, they differ electrically: MC56F83783VLH exposes additional eFlexPWM, ADC, and USB PHY signals on otherwise unused pins, meaning direct replacement requires firmware and schematic validation to avoid floating or conflicting functions.
What is the role of the 32 KB boot ROM in MC56F83683VLH?
The 32 KB boot ROM in MC56F83683VLH contains factory-programmed firmware supporting in-field updates via I²C, UART, or CAN - eliminating the need to allocate flash memory for bootloader storage. This preserves all 256 KB of user flash for application code and data, and enables secure, authenticated firmware patches without reprogramming the main flash array.
Does MC56F83683VLH include USB PHY hardware?
No, MC56F83683VLH integrates only the USB FS/LS 2.0 OTG controller logic - it lacks an on-die USB PHY. External components such as the NXP USB3300 or compatible transceivers must be added to implement full USB device or host functionality, including differential signaling, termination, and ESD protection.
Can MC56F83683VLH operate in automotive environments?
MC56F83683VLH is rated for −40 °C to +105 °C and is not AEC-Q100 qualified. While it meets industrial temperature requirements, it lacks automotive-specific qualification, fault injection testing, and extended reliability screening. For automotive applications, NXP recommends AEC-Q100 qualified variants such as MC56F83783AVLHA or MC56F83783AMLHA instead of MC56F83683VLH.
MC56F83683VLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 54
- 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:
MC56F83683VLH FAQ
1.How can I place an order for MC56F83683VLH through Aetrix?
Please submit a Request for Quotation (RFQ) for MC56F83683VLH 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 MC56F83683VLH reliable?
The price and inventory of MC56F83683VLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC56F83683VLH is usually 5 days.
3.What payment methods are accepted for MC56F83683VLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC56F83683VLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC56F83683VLH?
MC56F83683VLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC56F83683VLH 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 MC56F83683VLH?
For technical support, including MC56F83683VLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC56F83683VLH requirements.
6.How does Aetrix verify that MC56F83683VLH is sourced from the original manufacturer or authorized distributors?
All MC56F83683VLH 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 MC56F83683VLH meets industry standards.
7.What is the process for return or replacement of MC56F83683VLH?
All MC56F83683VLH units undergo pre-shipment inspection (PSI). If there is an issue with MC56F83683VLH, 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 MC56F83683VLH part is unused and in its original packaging.
Return procedure for MC56F83683VLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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