NXP Semiconductors LPC1833JBD144E

Overview

LPC1833JBD144E from NXP Semiconductors is a 32-bit ARM Cortex-M3 microcontroller operating at up to 180 MHz, featuring 512 kB flash (256 kB per bank), 136 kB SRAM, dual 10-bit ADCs (400 kSamples/s), two High-speed USB interfaces (USB0 with on-chip HS PHY, USB1 with ULPI), and Ethernet MAC with IEEE 1588 support. It targets industrial control systems requiring real-time connectivity, secure firmware execution, and multi-protocol peripheral integration.

For engineers reviewing the LPC1833JBD144E datasheet, LPC1833JBD144E pinout, LPC1833JBD144E application, or LPC1833JBD144E equivalent, key selection criteria include its LQFP144 package with 83 GPIOs, absence of LCD controller and motor control PWM, support for external SDRAM via EMC, and -40 °C to +105 °C extended temperature operation.

Technical Context

The LPC1833JBD144E implements an ARM Cortex-M3 r2p1 core with Harvard architecture, 3-stage pipeline, and integrated MPU/NVIC for deterministic real-time execution. Its clock system includes three PLLs - one for CPU up to 180 MHz, one for USB high-speed operation, and one configurable as audio PLL - all fed by a 1–25 MHz crystal or 12 MHz ±3% internal RC oscillator.

Digital subsystems include a State Configurable Timer/PWM (SCTimer/PWM) with flexible event-driven state machines, Global Input Multiplexer Array (GIMA) for cross-peripheral signal routing, and an External Memory Controller supporting SRAM, NOR flash, and SDRAM. Analog resources comprise two independent 10-bit ADCs sharing eight input channels and a 10-bit DAC with DMA support.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC1853JBD144, the LPC1833JBD144 reduces flash capacity and removes LCD/motor PWM to lower cost for headless industrial nodes; versus LPC4357JBD208, it trades FPU/DSP capability for integrated Ethernet and simpler dual-core software development.

Availability

LPC1833JBD144E is available at Aetrix Electronics and suitable for industrial PLCs, smart energy gateways, RFID readers, and white goods motor control hubs requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LPC1833JBD144E 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 trusted execution environments.

The LPC18xx family was designed for high-performance industrial control applications demanding real-time responsiveness, multi-protocol connectivity, and robust security - positioning LPC1833JBD144E as a cost-optimized variant for Ethernet/USB-enabled edge nodes without display or motor drive requirements.

FAQ

What is the maximum operating frequency and core architecture of the LPC1833JBD144E?

The LPC1833JBD144E features an ARM Cortex-M3 r2p1 core with a maximum CPU frequency of 180 MHz. It uses a Harvard architecture with separate instruction and data buses, a 3-stage pipeline, and an internal prefetch unit supporting speculative branching. This architecture delivers deterministic real-time performance essential for industrial control loops and time-critical communications stacks in the LPC1833JBD144E.

Does the LPC1833JBD144E include Ethernet and USB interfaces, and what are their capabilities?

Yes, the LPC1833JBD144E integrates a 10/100T Ethernet MAC with RMII/MII support and IEEE 1588-2008 v2 hardware timestamping, plus two High-speed USB 2.0 interfaces: USB0 supports Host/Device/OTG with an on-chip high-speed PHY, while USB1 supports Host/Device with ULPI interface to an external PHY. These capabilities make the LPC1833JBD144E suitable for networked industrial gateways and dual-role USB peripherals.

How much memory does the LPC1833JBD144E provide, and how is it organized?

The LPC1833JBD144E includes 512 kB of on-chip flash memory organized in two 256 kB banks for safe firmware updates, 136 kB of SRAM distributed across multiple AHB-accessible blocks, 16 kB of EEPROM for non-volatile parameter storage, and 64 kB of ROM containing boot code and USB/flash drivers. This memory architecture supports robust field upgrades and real-time data buffering in the LPC1833JBD144E.

What analog peripherals are integrated into the LPC1833JBD144E?

The LPC1833JBD144E integrates two independent 10-bit ADCs capable of 400 kSamples/s with eight shared analog input channels, and one 10-bit DAC with DMA support and 400 kSamples/s conversion rate. These peripherals are powered by a dedicated analog supply domain (VDDA/VSSA) to ensure precision in sensor measurement and analog output applications within the LPC1833JBD144E.

Is the LPC1833JBD144E qualified for extended temperature operation, and what package does it use?

Yes, the LPC1833JBD144E is rated for operation from -40 °C to +105 °C and is supplied in an LQFP144 package (20 mm × 20 mm × 1.4 mm, SOT486-1). This package provides 144 leads with standard pitch for reliable reflow soldering and mechanical stability in industrial environments - a key specification confirmed for the LPC1833JBD144E in NXP's official ordering information.