NXP Semiconductors LPC1853JBD208E

Overview

LPC1853JBD208E from NXP Semiconductors is a 32-bit ARM Cortex-M3 microcontroller operating at up to 180 MHz, featuring 512 kB flash (dual-bank), 136 kB SRAM, and integrated Ethernet MAC, dual High-speed USB (USB0 Host/Device/OTG + USB1 Host/Device), LCD controller, and External Memory Controller (EMC). It targets industrial control systems requiring real-time connectivity, deterministic I/O, and secure firmware execution.

For engineers reviewing the LPC1853JBD208E datasheet, LPC1853JBD208E pinout, LPC1853JBD208E application, or LPC1853JBD208E equivalent, key selection criteria include its LQFP208 package with 142 GPIOs, support for IEEE 1588 time stamping, dual ADCs (10-bit, 400 kS/s), and hardware-accelerated SCTimer/PWM subsystem for motor control timing precision.

Technical Context

The LPC1853JBD208E implements a Harvard-architecture ARM Cortex-M3 core with 3-stage pipeline, built-in MPU (8 regions), NVIC, and ETM/ETB trace support. Its clock system includes three PLLs - one for CPU up to 180 MHz, one dedicated to High-speed USB, and one configurable as audio PLL - enabling independent domain scaling without high-frequency crystal dependency.

Digital peripheral integration centers on the State Configurable Timer/PWM (SCTimer/PWM) subsystem on AHB, coupled with Global Input Multiplexer Array (GIMA) for flexible event routing between timers, ADCs, and communication interfaces. The EMC supports SDRAM, NOR flash, and SRAM with configurable wait states and burst modes for deterministic external memory access.

Key Specifications

Pinout & Package

LPC1853JBD208E is housed in a Plastic Low Profile Quad Flat Package (LQFP208) with 208 leads, body size 28 × 28 × 1.4 mm (SOT459-1), optimized for automated PCB assembly and thermal dissipation in industrial enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC1853JBD208E, LPC1857JBD208 offers double flash capacity with zero layout impact, while LPC4357JBD208 introduces architectural complexity with dual cores and FPU - making LPC1853JBD208E optimal for cost-sensitive, deterministic single-core industrial control where 512 kB flash suffices.

Availability

LPC1853JBD208E is available at Aetrix Electronics and suitable for industrial PLCs, smart energy gateways, RFID readers, and white goods HMIs requiring stable component supply, long-term lifecycle assurance, and automotive-grade temperature range (-40 °C to +105 °C).

Supply support for LPC1853JBD208E 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 markets, with deep expertise in ARM-based microcontrollers and edge processing.

The LPC18xx series was designed specifically for high-performance industrial applications demanding integrated Ethernet, USB, LCD, and real-time control - bridging the gap between general-purpose MCUs and application-specific SoCs.

FAQ

What is the maximum operating frequency of the LPC1853JBD208E?

The LPC1853JBD208E operates at a maximum CPU frequency of 180 MHz, achieved via its ARM Cortex-M3 core and internal PLL configuration. This frequency is fully supported across the specified industrial temperature range (-40 °C to +105 °C) and requires proper decoupling and power supply regulation per NXP's hardware design guidelines. The LPC1853JBD208E maintains timing compliance at this rate under worst-case voltage and temperature conditions.

Does the LPC1853JBD208E support IEEE 1588 Precision Time Protocol?

Yes, the LPC1853JBD208E includes full hardware support for IEEE 1588-2008 v2 (PTP), with timestamping capability embedded in its Ethernet MAC. The MAC captures transmit and receive timestamps at the PHY interface level, enabling sub-microsecond synchronization accuracy in industrial Ethernet networks. This functionality is accessible through NXP's LPCOpen middleware and does not require external timestamping hardware.

How many analog-to-digital converter channels does the LPC1853JBD208E provide?

The LPC1853JBD208E integrates two independent 10-bit ADCs (ADC0 and ADC1), each supporting up to eight analog input channels - for a total of eight unique channels shared between both converters. All eight channels are accessible on dedicated or multiplexed pins, and both ADCs can operate simultaneously with 400 kS/s aggregate sampling rate, enabling synchronized multi-sensor acquisition critical for motor control and power monitoring.

What package type is used for the LPC1853JBD208E?

The LPC1853JBD208E uses an LQFP208 package (SOT459-1): a 208-pin Plastic Low Profile Quad Flat Package measuring 28 mm × 28 mm × 1.4 mm. This package features gull-wing leads compatible with standard reflow soldering processes and provides 142 GPIOs - more than any other LPC18xx variant in LQFP form factor - making it ideal for high-pin-count industrial control designs.

Can the LPC1853JBD208E execute firmware from external SPI flash?

Yes, the LPC1853JBD208E includes a Quad SPI Flash Interface (SPIFI) that supports XIP (eXecute-In-Place) from external SPI flash memory at speeds up to 52 MB/s. This allows direct code execution from external memory, extending effective program space beyond its on-chip 512 kB flash. The SPIFI module handles caching and prefetching transparently, and boot configuration pins determine whether startup occurs from internal flash or external SPIFI memory.