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NXP Semiconductors LPC4078FBD100K
- Part No.:
- LPC4078FBD100K
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
LPC4078FBD100K.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:609
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Product details
Overview
LPC4078FBD100K from NXP Semiconductors is a 32-bit ARM Cortex-M4 microcontroller designed for embedded control applications requiring high integration, deterministic real-time response, and low-power operation. It operates at up to 120 MHz, integrates 512 kB flash, 96 kB SRAM, and 4032 B EEPROM, and supports dual CAN, five UARTs, USB Device/Host/OTG, Ethernet MAC, and two analog comparators - deployed in industrial motor drives and programmable logic controllers.
For engineers reviewing the LPC4078FBD100K datasheet, LPC4078FBD100K pinout, LPC4078FBD100K application, or LPC4078FBD100K equivalent, key selection criteria include its LQFP100 package with 100 pins, absence of LCD controller (per Table 2), EMC bus omission, and hardware FPU inclusion - critical for digital signal processing in motion control and communication gateways.
Technical Context
The LPC4078FBD100K implements an ARM Cortex-M4 core with Harvard architecture, 3-stage pipeline, integrated MPU supporting eight memory regions, and NVIC for deterministic interrupt handling. Its memory subsystem includes 512 kB flash with accelerator, 96 kB SRAM (64 kB main + two 16 kB peripheral blocks), and 4032 B EEPROM - all accessible via multilayer AHB matrix with zero arbitration delay between CPU and GPDMA.
Peripheral integration centers on dual CAN 2.0B controllers, five UARTs (one with IrDA/ISO7816 support), three I²C-bus interfaces (one Fast-mode Plus at 1 Mbit/s), four general-purpose timers, two PWM blocks (six outputs each), one motor-control PWM, 12-bit 8-channel ADC (400 kHz max), 10-bit DAC, and RTC with battery-backed event recorder - all mapped to 100-pin LQFP with 5 V-tolerant GPIOs except ADC/VREFP pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M4 with FPU, running at up to 120 MHz - enables single-cycle DSP/SIMD operations and floating-point math for real-time motor control algorithms. |
| Memory | 512 kB flash (ISP/IAP-capable), 96 kB SRAM (64 kB CPU-local + 32 kB peripheral), 4032 B EEPROM - supports firmware updates in-field and data logging without external storage. |
| Connectivity | Dual CAN 2.0B, five UARTs (one with IrDA/ISO7816), three I²C (one Fast-mode Plus), USB 2.0 full-speed Device/Host/OTG, Ethernet MAC (MII/RMII) - suitable for industrial fieldbus bridging and multi-protocol gateway designs. |
| Analog Peripherals | 12-bit 8-channel ADC (400 kHz sampling), 10-bit DAC with dedicated timer, two analog comparators - provides sensor interface and closed-loop feedback for motor drive and power supply monitoring. |
| Timers & PWM | Four general-purpose timers (eight capture, ten compare), two standard PWM blocks (six outputs each), one motor-control PWM - supports three-phase BLDC/PMSM commutation and precise timing for PLC sequencing. |
| Power & Packaging | Single 3.3 V supply (2.4–3.6 V), −40 °C to +85 °C operating range, LQFP100 package (14 × 14 × 1.4 mm) - compatible with cost-sensitive industrial PCB layouts and reflow assembly. |
Pinout & Package
LPC4078FBD100K uses a 100-lead LQFP package (SOT407-1) with 14 mm × 14 mm body and 1.4 mm height. All GPIOs are 5 V tolerant (except ADC/VREFP pins), support configurable pull-up/down, open-drain mode, and Cortex-M4 bit-banding for atomic register access.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[31] | General-purpose I/O port 0 | 32-bit bidirectional port with individual direction control; supports UART0/3, CAN1, I²C1, I²S, timer capture/match, and comparator functions - primary interface for peripheral expansion and sensor/actuator control. |
| P1[0]–P1[31] | General-purpose I/O port 1 | 32-bit port supporting UART1/2/4, SSP0/1/2, I²C0/2, CAN2, PWM outputs, and ADC inputs - enables concurrent serial comms and analog acquisition in compact systems. |
| P2[0]–P2[31] | General-purpose I/O port 2 | 32-bit port with edge-sensitive interrupt capability on all pins; supports USB signals (USB_PPWR2, USB_UP_LED2, USB_HSTEN2), RTC event inputs, and LCD data (VD[0]–VD[17]) - used for system-level event triggering and USB status indication. |
| P3[0]–P3[5] | General-purpose I/O port 3 | 6-bit port supporting Ethernet MII/RMII signals (TXD[0–3], RXD[0–3], TX_EN, CRS_DV, RX_ER), SPIFI, and SD/MMC - provides direct connectivity to external memory and wired networks without glue logic. |
Key Features
| Feature | Design Value |
|---|---|
| ARM Cortex-M4 with FPU | Enables real-time execution of floating-point control algorithms (e.g., field-oriented motor control) without software emulation overhead. |
| Quadrature Encoder Interface (QEI) | Direct monitoring of rotary encoder position and speed for servo feedback loops - eliminates need for external QEI ICs in motion control systems. |
| Event Recorder in RTC domain | Captures timestamped events (e.g., fault triggers, safety signals) using battery-backed registers - maintains audit trail during main power loss. |
| Windowed Watchdog Timer (WWDT) | Prevents runaway code with time-windowed reset enforcement and dedicated oscillator - meets IEC 61508 functional safety requirements for industrial controllers. |
| GPDMA controller | Eight-channel AHB-based DMA supporting UART, ADC, DAC, I²S, and memory-to-memory transfers - offloads CPU from data movement in high-throughput applications like audio streaming or sensor fusion. |
Applications
| Industrial Motor Drive | Multi-Protocol Field Gateway |
|---|---|
Use Scenario: Closed-loop control of three-phase AC induction or BLDC motors in HVAC compressors and conveyor systems. IC Role / Device Role / Timing Role: Main controller executing FOC algorithms, managing PWM generation, reading encoder feedback via QEI, and monitoring current/voltage via ADC/DAC. Use Value: Integrated motor-control PWM, 12-bit ADC with 400 kHz sampling, and FPU enable precise torque regulation and fast transient response without external co-processors. |
Use Scenario: Bridging Modbus RTU, CANopen, and EtherNet/IP networks in factory automation systems. IC Role / Device Role / Timing Role: Protocol translation engine with dual CAN, five UARTs, Ethernet MAC, and USB OTG - routing packets between heterogeneous fieldbuses. Use Value: Hardware-accelerated CRC engine, GPDMA for zero-CPU packet forwarding, and independent AHB buses prevent bus contention during concurrent protocol stack execution. |
| Programmable Logic Controller (PLC) | Medical Imaging Subsystem |
Use Scenario: Compact DIN-rail mounted PLC handling discrete I/O, PID loop control, and HMI communication in packaging machinery. IC Role / Device Role / Timing Role: Real-time task scheduler with four general-purpose timers, RTC for time-stamped logging, and 165 GPIOs for digital I/O expansion. Use Value: Wake-up interrupt controller (WIC) enables deterministic response to input changes in deep-sleep modes, reducing system power while maintaining scan cycle integrity. |
Use Scenario: Signal conditioning and timing control for ultrasound transducer arrays and X-ray detector readout in portable diagnostic devices. IC Role / Device Role / Timing Role: Synchronized analog acquisition (ADC), waveform generation (DAC), and high-resolution timing (RTC + event recorder) for image frame capture. Use Value: Battery-backed RTC registers store calibration coefficients and fault logs across power cycles; 10-bit DAC with dedicated timer ensures stable bias voltage generation for sensor front-ends. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC4088FBD144 | Includes LCD controller and 8-bit EMC bus; same 512 kB flash, 96 kB SRAM, and FPU - but larger LQFP144 package. | Required for TFT/STN display interfaces in HMI panels; not needed if display is handled externally. | Select LPC4088FBD144 only when integrated LCD driving is essential; LPC4078FBD100K saves board space and cost in headless industrial controllers. |
| LPC4357JBD208 | Dual-core (Cortex-M4 + Cortex-M0), no FPU on M0, 264 kB RAM, no Ethernet MAC - but adds USB HS and SDRAM controller. | Better suited for asymmetric multiprocessing (e.g., M4 for control, M0 for comms); lacks Ethernet for wired industrial networking. | Choose LPC4357JBD208 for USB host-heavy applications with SDRAM needs; LPC4078FBD100K is preferred when Ethernet, CAN, and deterministic real-time control dominate. |
Compared with LPC4088FBD144 and LPC4357JBD208, the LPC4078FBD100K delivers optimal balance of Ethernet/CAN connectivity, FPU-accelerated control, and compact LQFP100 footprint - making it ideal for space-constrained, networked industrial controllers where LCD or dual-core functionality is unnecessary.
Availability
LPC4078FBD100K is available at Aetrix Electronics and suitable for industrial motor drives, programmable logic controllers, and multi-protocol field gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LPC4078FBD100K 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with over 50 years of embedded systems expertise.
The LPC4000 series targets high-integration industrial control, combining ARM Cortex-M4 performance with robust peripherals like Ethernet, dual CAN, and motor-control PWM - enabling next-generation smart sensors and distributed automation nodes.
FAQ
Does LPC4078FBD100K include a hardware floating-point unit?
Yes, the LPC4078FBD100K integrates a hardware floating-point unit (FPU) as part of its ARM Cortex-M4 core. This enables single-cycle floating-point arithmetic essential for real-time motor control algorithms, digital filter implementation, and sensor fusion calculations - significantly improving computational efficiency over software-emulated FP operations in the LPC4078FBD100K.
What is the maximum operating frequency of LPC4078FBD100K?
The LPC4078FBD100K operates at up to 120 MHz CPU frequency, achieved via on-chip PLL driven by either the main crystal oscillator (1–25 MHz) or internal 12 MHz RC oscillator. This clock speed supports deterministic execution of complex control loops and high-bandwidth peripheral handling without external clock synthesis in the LPC4078FBD100K.
Does LPC4078FBD100K support Ethernet connectivity?
Yes, the LPC4078FBD100K includes a full-featured Ethernet MAC with MII/RMII interface and dedicated AHB bus, supporting 10/100 Mbps operation. It requires external PHY but provides integrated DMA and descriptor management - enabling robust wired networking in industrial controllers and gateways built around the LPC4078FBD100K.
How many UARTs does LPC4078FBD100K provide, and what advanced features do they support?
The LPC4078FBD100K integrates five UARTs with fractional baud rate generation, internal FIFOs, DMA support, and RS-485/EIA-485 capability. UART1 includes full modem control I/O; USART4 supports IrDA, synchronous mode, and ISO7816-3 smart card mode - making the LPC4078FBD100K suitable for legacy serial device integration and secure credential handling.
Is LPC4078FBD100K pin-compatible with earlier NXP microcontrollers?
The LPC4078FBD100K is designed for functional replacement of LPC23xx/24xx and LPC178x/7x families, with pin function compatibility across shared peripherals. However, exact pin-to-pin mapping varies by package size; the LQFP100 variant has distinct pin assignments versus LQFP144/208 packages - verify against the LPC4078FBD100K-specific pin configuration diagram before migration.
LPC4078FBD100K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LQFP
- Series:
- LPC40xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, Microwire, QEI, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 69
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 3.6V
- Data Converters:
- A/D 8x12b SAR; D/A 1x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC4078FBD100K FAQ
1.How can I place an order for LPC4078FBD100K through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC4078FBD100K 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 LPC4078FBD100K reliable?
The price and inventory of LPC4078FBD100K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC4078FBD100K is usually 5 days.
3.What payment methods are accepted for LPC4078FBD100K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC4078FBD100K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC4078FBD100K?
LPC4078FBD100K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC4078FBD100K 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 LPC4078FBD100K?
For technical support, including LPC4078FBD100K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC4078FBD100K requirements.
6.How does Aetrix verify that LPC4078FBD100K is sourced from the original manufacturer or authorized distributors?
All LPC4078FBD100K 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 LPC4078FBD100K meets industry standards.
7.What is the process for return or replacement of LPC4078FBD100K?
All LPC4078FBD100K units undergo pre-shipment inspection (PSI). If there is an issue with LPC4078FBD100K, 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 LPC4078FBD100K part is unused and in its original packaging.
Return procedure for LPC4078FBD100K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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