NXP Semiconductors LPC4317JBD144E

Overview

LPC4317JBD144E from NXP Semiconductors is a dual-core ARM Cortex-M4F/M0 microcontroller in LQFP144 package, operating up to 204 MHz with 1 MB flash (512 kB per bank), 136 kB SRAM, and 16 kB EEPROM. It integrates dual 10-bit ADCs (400 kS/s), 10-bit DAC, SCTimer/PWM, GIMA, SPIFI, USB0 (Host/Device), and motor control PWM - deployed in industrial motor drives requiring real-time deterministic control and peripheral offload.

For engineers reviewing the LPC4317JBD144E datasheet, LPC4317JBD144E pinout, LPC4317JBD144E application, or LPC4317JBD144E equivalent, key selection criteria include dual-core asymmetric processing capability, absence of Ethernet and LCD controllers, presence of motor control PWM and full USB0 PHY, and LQFP144 thermal/mechanical compatibility for space-constrained industrial PCBs.

Technical Context

The LPC4317JBD144E implements a tightly coupled dual-core architecture: the Cortex-M4F core handles high-performance signal processing and real-time tasks with hardware FPU and MPU, while the Cortex-M0 co-processor runs at up to 204 MHz to manage peripheral handling and background I/O - enabling deterministic latency isolation. Both cores share memory via AHB multilayer matrix and synchronize via event router and shared SRAM.

It features a configurable clock generation unit with three PLLs (CPU, USB, audio), 12 MHz IRC oscillator (±3 %), and crystal oscillator support (1–25 MHz); power management includes four low-power modes (Sleep, Deep-sleep, Power-down, Deep power-down) with RTC domain separation and brownout detection across four thresholds.

Key Specifications

Pinout & Package

Package: Plastic low-profile quad flat package, 144 leads, body size 20 mm × 20 mm × 1.4 mm (SOT486-1), lead pitch 0.5 mm, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC4337JBD144 and LPC4327JBD144, the LPC4317JBD144 uniquely balances high-performance dual-core execution, motor-specific peripherals (PWM/QEI), and full USB0 integration - making it optimal for cost-sensitive, thermally constrained industrial motion control where Ethernet and display are omitted.

Availability

LPC4317JBD144E is available at Aetrix Electronics and suitable for industrial motor drives, smart energy meters, RFID readers, and white goods control units requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LPC4317JBD144E 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 applications, with deep expertise in ARM-based microcontrollers and edge processing.

The LPC43xx product line was designed for high-integration industrial control applications demanding asymmetric dual-core processing, deterministic real-time performance, and rich analog/digital peripheral sets - targeting motor control, metering, and HMI-less embedded systems.

FAQ

What is the maximum operating frequency of the LPC4317JBD144E?

The LPC4317JBD144E operates at a maximum CPU frequency of 204 MHz for both the ARM Cortex-M4F and Cortex-M0 cores. This frequency is achieved using the internal PLLs fed by either the 12 MHz internal RC oscillator (±3 % accuracy) or an external crystal (1–25 MHz). The LPC4317JBD144E maintains this performance across its full industrial temperature range (−40 °C to +105 °C) with appropriate decoupling and thermal design.

Does the LPC4317JBD144E support Ethernet or LCD interfaces?

No, the LPC4317JBD144E does not include Ethernet MAC or LCD controller hardware. According to Table 2 in the official datasheet, Ethernet and LCD are explicitly marked as "no" for this part number. These peripherals are present only on higher variants like LPC4337JBD144 and LPC4357JBD208. The LPC4317JBD144E retains USB0, USB1, C_CAN, SPIFI, and motor control PWM - optimized for cost-sensitive motion control without networking or display needs.

How many ADC channels does the LPC4317JBD144E support?

The LPC4317JBD144E integrates two independent 10-bit ADCs (ADC0 and ADC1), each supporting up to eight input channels - totaling eight unique analog inputs (channels 0–7), as both ADCs share the same physical pins (e.g., ADC0_0 and ADC1_0 are tied together). Each ADC achieves a maximum conversion rate of 400 kSamples/s with DMA support, enabling simultaneous sampling for motor current sensing and temperature monitoring in real-time control loops.

What USB capabilities does the LPC4317JBD144E provide?

The LPC4317JBD144E includes two USB controllers: USB0 supports Host/Device/OTG operation with an integrated high-speed PHY, while USB1 supports Host/Device operation with an on-chip full-speed PHY and ULPI interface for external high-speed PHY expansion. USB0 is fully functional out-of-box for device enumeration or host enumeration; USB1 requires external PHY for high-speed operation. The LPC4317JBD144E does not support USB OTG negotiation on USB1.

Is the LPC4317JBD144E pin-compatible with other LPC43xx LQFP144 variants?

Yes, the LPC4317JBD144E shares identical pinout and package (LQFP144, SOT486-1) with all other LPC43xx parts offered in the same package variant, including LPC4337JBD144, LPC4327JBD144, and LPC4315JBD144. Pin functions are consistent across the family per Table 3 of the datasheet; however, feature availability (e.g., Ethernet, LCD, USB0) varies by part number - meaning unused pins remain unconnected or reserved in non-equipped variants.