NXP Semiconductors LPC54616J512BD208E

Overview

LPC54616J512BD208E from NXP Semiconductors is a 32-bit ARM Cortex-M4 microcontroller with FPU and MPU, operating at up to 180 MHz, featuring 512 KB flash, 200 KB SRAM, dual USB (HS/FS), Ethernet AVB, CAN FD, and 12-bit 5.0 MS/s ADC - deployed in industrial gateways requiring real-time control, secure connectivity, and low-power operation.

For engineers reviewing the LPC54616J512BD208E datasheet, LPC54616J512BD208E pinout, LPC54616J512BD208E application, or LPC54616J512BD208E equivalent, key selection criteria include LQFP208 package compatibility, 171 GPIO count, EMC support for SDRAM, and absence of LCD controller versus higher-tier LPC54628 variants.

Technical Context

The LPC54616J512BD208E implements an ARM Cortex-M4 core (r0p1) with hardware FPU, MPU, and NVIC, executing at 180 MHz using a 3-stage Harvard pipeline with speculative branching. It integrates dual USB controllers (HS PHY + FS crystal-less device mode), two CAN FD modules with dedicated DMA, and a 10-channel Flexcomm subsystem supporting UART/SPI/I2C/I2S per interface.

Its memory architecture includes 512 KB flash with accelerator and 256-byte page erase, 200 KB SRAM (160 KB main + 32 KB I&D bus + 8 KB USB-dedicated), and 16 KB EEPROM. Clocking uses a trimmed 12 MHz FRO (±1%), system PLL, and separate PLLs for USB/audio, enabling independent peripheral clock domains.

Key Specifications

Pinout & Package

LQFP208 package: 208-pin plastic low-profile quad flat package, 28 mm × 28 mm body, 1.4 mm height, 0.5 mm pitch, with exposed thermal pad (EP) on underside for enhanced thermal dissipation in continuous operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC54628J512ET180, LPC54616J512BD208E trades LCD/SHA for broader GPIO availability and LQFP208 manufacturability; versus LPC54606J512BD208, it adds Ethernet AVB and CAN FD - essential for time-sensitive industrial networking where deterministic latency matters.

Availability

LPC54616J512BD208E is available at Aetrix Electronics and suitable for industrial gateways, smart energy meters, building automation controllers, and medical diagnostic interfaces requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for LPC54616J512BD208E 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 innovation in microcontrollers and edge processing.

The LPC546xx product line targets high-performance, low-power industrial edge devices requiring real-time Ethernet AVB, CAN FD, and advanced security - designed specifically for deterministic control, secure firmware updates, and multi-protocol interoperability.

FAQ

What is the maximum operating frequency of the LPC54616J512BD208E?

The LPC54616J512BD208E operates at a maximum CPU frequency of 180 MHz, achieved using the system PLL driven by the internal 12 MHz FRO or external crystal. This frequency is validated across the full industrial temperature range (−40 °C to +105 °C) and supports deterministic execution of real-time tasks including Ethernet AVB scheduling and CAN FD frame processing without throttling.

Does the LPC54616J512BD208E include a hardware floating-point unit?

Yes, the LPC54616J512BD208E integrates a single-precision hardware Floating-Point Unit (FPU) compliant with ARM VFPv4. This FPU accelerates trigonometric, exponential, and matrix operations essential for motor control algorithms and sensor fusion, reducing computation time by up to 8× compared to software-emulated floating-point math in the LPC54616J512BD208E.

How many GPIO pins does the LPC54616J512BD208E provide in its LQFP208 package?

The LPC54616J512BD208E in LQFP208 package provides 171 general-purpose I/O pins, mapped across PIO0–PIO5 ports. These pins support configurable pull-up/down, slew rate control, and programmable drive strength (4 mA or 8 mA), with up to eight configurable as Pin Interrupts (PINT) and two grouped as logical AND/OR interrupts (GINT) - enabling direct interfacing with sensors, actuators, and legacy field buses.

What memory resources are integrated into the LPC54616J512BD208E?

The LPC54616J512BD208E integrates 512 KB on-chip flash with 256-byte page erase, 200 KB SRAM (160 KB contiguous main RAM + 32 KB I&D bus RAM + 8 KB USB-dedicated RAM), and 16 KB EEPROM. Flash includes accelerator and IAP/ISP support; SRAM is AHB-mapped for zero-wait-state access; EEPROM enables wear-leveling for parameter storage across 100k+ write cycles - all verified in the LPC54616J512BD208E datasheet Rev. 2.8.

Is the LPC54616J512BD208E compatible with Ethernet AVB and CAN FD protocols?

Yes, the LPC54616J512BD208E includes a full Ethernet MAC with MII/RMII interface and hardware support for Audio Video Bridging (AVB), plus two independent CAN FD controllers with dedicated DMA. Both protocols operate concurrently at full line rate - AVB with sub-25 µs timestamp jitter and CAN FD at up to 5 Mbps - confirmed in the LPC54616J512BD208E block diagram and peripheral specification tables.