NXP Semiconductors LPC4310FBD144,551

Overview

LPC4310FBD144 from NXP Semiconductors is a flashless dual-core ARM Cortex-M4/M0 microcontroller targeting industrial control and motor drive applications. It integrates 168 kB SRAM, a 10-bit dual ADC (400 kSamples/s), an 8-channel motor control PWM, and 83 GPIO pins in an LQFP144 package. It operates at up to 204 MHz and supports real-time deterministic execution via hardware floating-point and NVIC.

For engineers reviewing the LPC4310FBD144 datasheet, LPC4310FBD144 pinout, LPC4310FBD144 application, or LPC4310FBD144 equivalent, key selection criteria include its lack of on-chip flash (requiring external SPIFI boot), absence of Ethernet and LCD controllers, and USB0-only connectivity-making it suitable for cost-optimized, non-networked embedded systems with high analog/motor control density.

Technical Context

The LPC4310FBD144 implements a tightly coupled dual-core architecture: the Cortex-M4 core handles primary real-time computation with hardware FPU and MPU, while the Cortex-M0 co-processor offloads background tasks such as sensor polling or communication protocol stacks. Both cores share access to 168 kB SRAM across multiple AHB-connected blocks, enabling low-latency inter-core messaging via shared memory and event router interrupts.

Its peripheral set is optimized for motion control: the State Configurable Timer (SCTimer/PWM) provides flexible waveform generation, the GIMA crossbar enables dynamic signal routing between timers, ADCs, and GPIOs, and the 8-channel motor control PWM supports three-phase BLDC commutation with dead-time insertion and fault protection inputs.

Key Specifications

Pinout & Package

LPC4310FBD144 is housed in a plastic low-profile quad flat package (LQFP144) measuring 20 × 20 × 1.4 mm, with 144 leads and standard 0.5 mm pitch. The package supports manual soldering and automated assembly, and features exposed thermal pad for enhanced heat dissipation in continuous motor control operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC4310FBD144, LPC4330FBD144 adds Ethernet and doubles SRAM for networked edge nodes, while LPC4320FBD144 retains USB0-only operation but enables external PHY flexibility - neither offers pin-to-pin compatibility, requiring PCB redesign for migration.

Availability

LPC4310FBD144 is available at Aetrix Electronics and suitable for industrial motor control, smart metering, embedded audio processing, and fieldbus node applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for LPC4310FBD144 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 focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ARM-based microcontrollers and edge processing.

The LPC4300 series was designed specifically for high-performance, dual-core embedded control applications demanding real-time determinism, rich analog/motor peripherals, and flexible memory architecture - targeting industrial automation and energy infrastructure.

FAQ

Does LPC4310FBD144 include on-chip flash memory?

No, LPC4310FBD144 is a flashless microcontroller. It relies on external Quad SPI Flash (SPIFI) for program storage and boot code execution. The internal 168 kB SRAM serves exclusively for runtime code and data; boot initialization is handled by ROM-resident bootloader that loads firmware from external SPIFI into SRAM before execution.

What is the maximum operating frequency of the Cortex-M4 core in LPC4310FBD144?

The Cortex-M4 core in LPC4310FBD144 operates at up to 204 MHz. This maximum frequency is achieved using the on-chip PLLs fed from either the 1–25 MHz crystal oscillator or the 12 MHz internal RC oscillator, with voltage regulation and thermal conditions meeting NXP's specified operating range (2.2–3.6 V supply).

Can LPC4310FBD144 support Ethernet connectivity?

No, LPC4310FBD144 does not include an Ethernet MAC or associated PHY interface. Unlike higher-tier LPC4350/30 variants, this part omits Ethernet, LCD, and USB1 functionality - confirmed in Table 2 of the datasheet. Designers requiring Ethernet must select LPC4330FBD144 or LPC4350FBD144 instead.

How many ADC channels does LPC4310FBD144 support, and what is their resolution?

LPC4310FBD144 integrates two independent 10-bit ADCs (ADC0 and ADC1), each supporting up to eight input channels for a total of eight distinct analog inputs. Both ADCs operate concurrently at up to 400 kSamples/s, with dedicated DMA channels ensuring zero-CPU-overhead data acquisition for real-time control loops.

Is the LPC4310FBD144 pin-compatible with other LPC43xx LQFP144 variants?

No, LPC4310FBD144 is not pin-compatible with LPC4320FBD144 or LPC4330FBD144 despite sharing the LQFP144 package. Pin functions differ significantly across the family - for example, Ethernet-related pins (ENET_RXD0, ENET_TXD0) are reserved or repurposed as GPIO/timer signals in LPC4310FBD144, and USB1 signals are absent entirely.