NXP Semiconductors LPC4330FBD144,551

Overview

LPC4330FBD144 from NXP Semiconductors is a dual-core ARM Cortex-M4/M0 microcontroller in LQFP144 package, operating up to 204 MHz with 264 kB SRAM, integrated Ethernet MAC, dual high-speed USB (USB0 host/device/OTG + USB1 host/device), and SCTimer/PWM subsystem - deployed in industrial motor control and embedded audio gateways requiring deterministic real-time co-processing.

For engineers reviewing the LPC4330FBD144 datasheet, LPC4330FBD144 pinout, LPC4330FBD144 application, or LPC4330FBD144 equivalent, key selection criteria include its M4/M0 asymmetric core partitioning, absence of LCD controller (vs. LPC4350), USB1 ULPI-only interface (no on-chip HS PHY), and 83 GPIOs in LQFP144 - critical for I/O-constrained industrial HMI and power management designs.

Technical Context

The LPC4330FBD144 implements a tightly coupled dual-core architecture: the Cortex-M4 executes main application firmware with hardware FPU and MPU, while the Cortex-M0 offloads time-critical tasks like sensor preprocessing or protocol stack handling at up to 204 MHz using shared AHB bus resources and GIMA crossbar for event routing. Its memory subsystem includes eight SRAM blocks (total 264 kB), two of which support independent power-down.

Peripherals are segmented across three AHB bridges: Bridge 0 hosts Ethernet MAC with IEEE 1588 timestamping, USB0 with on-chip HS PHY, and SPIFI; Bridge 1 manages USB1 (ULPI only), EMC, and SD/MMC; Bridge 2 handles SCTimer/PWM, ADCs, DAC, and I2S. The absence of LCD controller and second C_CAN channel (per Table 2) distinguishes it from LPC4350 variants.

Key Specifications

Pinout & Package

Package: LQFP144 (20 × 20 × 1.4 mm, SOT486-1), lead pitch 0.5 mm, thermally enhanced with exposed thermal pad (EP).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core microcontroller applications.

Compared with LPC4350FET256, LPC4330FBD144 trades LCD/CAN for optimized LQFP144 footprint and Ethernet+USB0 integration; versus LPC4320FBD144, it adds critical Ethernet and USB0 OTG for gateway-class connectivity - making it the only LQFP144 option with both features.

Availability

LPC4330FBD144 is available at Aetrix Electronics and suitable for industrial motor control, embedded audio gateways, and smart energy metering requiring stable component supply across long-lifecycle production programs.

Supply support for LPC4330FBD144 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 LPC4300 series was designed for high-performance, real-time embedded control in industrial automation and audio processing - emphasizing dual-core determinism, peripheral flexibility, and robust industrial interface support.

FAQ

Does LPC4330FBD144 include an on-chip high-speed USB PHY for both USB interfaces?

No. LPC4330FBD144 integrates an on-chip high-speed PHY only for USB0 (Host/Device/OTG). USB1 supports Host/Device operation exclusively via ULPI interface - requiring an external high-speed PHY chip for HS functionality. This design reduces die area and cost while maintaining flexibility for PHY selection based on system EMI or power requirements. The LPC4330FBD144 datasheet confirms USB0 includes "on-chip high-speed PHY" and USB1 specifies "ULPI interface to external high-speed PHY".

What is the maximum number of GPIO pins available on LPC4330FBD144, and how are they organized?

LPC4330FBD144 provides 83 GPIO pins, mapped across ports P0–P5 and PA–PF, with AHB-local register access for sub-cycle read/write performance. Each pin supports up to eight alternate functions (e.g., UART, I2C, SCTimer) configured via SCU registers. Unlike larger packages, LQFP144 excludes certain GPIOs present in LBGA256/TFBGA180 variants - confirmed in Table 2 of the LPC4350_30_20_10 datasheet.

How does the dual-core architecture of LPC4330FBD144 handle inter-processor communication and resource sharing?

LPC4330FBD144 uses shared AHB memory with hardware semaphore support and NVIC-based interrupt forwarding between Cortex-M4 and Cortex-M0. The Cortex-M4 acts as master, configuring peripherals and allocating SRAM blocks; the Cortex-M0 accesses shared memory and triggers M4 interrupts via dedicated event router. No cache coherency logic is required since both cores use unified memory with no instruction/data caches - ensuring deterministic latency for real-time tasks.

Is the LCD controller present in LPC4330FBD144, and how does this affect its use in HMI applications?

No, LPC4330FBD144 does not include an LCD controller - explicitly omitted per Table 2 of the datasheet ("LCD: no"). For HMI applications, designers must use external display controllers or leverage the 83 GPIOs with parallel/serial interfaces (e.g., SPI-driven OLEDs) or connect to an FPGA. This omission reduces pin count and cost, making LPC4330FBD144 suitable for headless gateways or HMIs using UART/I2C displays rather than direct RGB-TFT panels.

What power management features does LPC4330FBD144 support for battery-backed operation?

LPC4330FBD144 includes a dedicated RTC power domain with 256 bytes of battery-backed registers, ultra-low-power RTC oscillator, and alarm timer - enabling timekeeping and wake-up events during main power loss. Brownout detection with four programmable thresholds provides fail-safe reset behavior. The device supports four reduced-power modes (Sleep, Deep-sleep, Power-down, Deep power-down), with wake-up sources including RTC alarms, external interrupts, and battery-powered peripherals - critical for smart metering and portable industrial sensors.