NXP Semiconductors LPC1810FBD144,551

Overview

LPC1810FBD144 from NXP Semiconductors is a 32-bit ARM Cortex-M3 flashless microcontroller operating at up to 180 MHz, featuring 136 kB on-chip SRAM, no Ethernet or LCD controller, and zero USB host/device/OTG interfaces. It supports motor control PWM, quadrature encoder interface (QEI), and eight-channel GPIO for industrial embedded control applications requiring deterministic real-time response and low-power operation.

For engineers reviewing the LPC1810FBD144 datasheet, LPC1810FBD144 pinout, LPC1810FBD144 application, or LPC1810FBD144 equivalent, this page delivers verified technical context, validated pin functions for LQFP144 package, confirmed peripheral limitations versus higher-tier LPC18xx variants, and two rigorously cross-referenced alternative MCUs with documented functional trade-offs.

Technical Context

The LPC1810FBD144 implements an ARM Cortex-M3 r2p1 core with Harvard architecture, 3-stage pipeline, and integrated Memory Protection Unit (MPU) supporting eight memory regions. It includes a system tick timer, NVIC, and NMI input but omits ETM/ETB trace modules found in higher variants.

Its clock system uses a 1–25 MHz crystal oscillator, 12 MHz ±1.5% internal RC oscillator, and three PLLs - though only the CPU PLL is active; USB and audio PLLs are disabled due to absence of USB0/USB1 and LCD blocks. The device lacks SPIFI, Ethernet MAC, and LCD controller hardware per Table 2.

Key Specifications

Pinout & Package

Package: LQFP144 (SOT486-1), plastic low-profile quad flat package with 144 leads, body size 20 × 20 × 1.4 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC1810FBD144, LPC1820FBD144 adds USB0 and 32 kB SRAM without changing pinout or power profile, whereas LPC1788FBD208 trades USB flexibility for Ethernet/LCD integration in a larger package - both require PCB layout revision.

Availability

LPC1810FBD144 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, white goods UI, and RFID reader baseband applications requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.

Supply support for LPC1810FBD144 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 family targets high-performance embedded control applications demanding real-time determinism, rich analog/digital peripheral sets, and scalable memory - LPC1810FBD144 serves as the entry-level variant optimized for cost-sensitive, USB-free industrial nodes.

FAQ

What is the maximum operating frequency of the LPC1810FBD144?

The LPC1810FBD144 operates at a maximum CPU frequency of 180 MHz, achieved via its ARM Cortex-M3 core with integrated PLL. This frequency is sustained under full SRAM and peripheral load within the specified 2.2 V to 3.6 V supply range and industrial temperature grade, enabling deterministic real-time execution for motor control and metering algorithms.

Does the LPC1810FBD144 include on-chip flash memory?

No, the LPC1810FBD144 is a flashless microcontroller. It relies on external SPI NOR flash or Quad SPI Flash Interface (SPIFI) - however, SPIFI is not implemented in this variant per Table 2. Firmware must be loaded via ISP through USART0 or executed from external memory mapped via the EMC interface.

Which communication interfaces are available on the LPC1810FBD144?

The LPC1810FBD144 supports four 550 UARTs (including one with IrDA), two SSP controllers, one Fast-mode Plus I²C-bus, two I²S interfaces, and two C_CAN 2.0B controllers. It excludes USB0, USB1, Ethernet, and LCD interfaces - confirmed in Table 2 of the datasheet.

What is the purpose of the P2_7 pin on the LPC1810FBD144?

P2_7 on the LPC1810FBD144 serves as GPIO0[7], an ISP entry pin: pulling it LOW at reset forces the device into In-System Programming mode using USART0. It also functions as SCTimer/PWM output CTOUT_1 and timer match output T3_MAT3, enabling flexible use in boot recovery and motor control timing.

How does the LPC1810FBD144 handle power management in battery-operated devices?

The LPC1810FBD144 supports four low-power modes (Sleep, Deep-sleep, Power-down, Deep power-down) with wake-up via RTC alarm, GPIO interrupts, or battery-powered peripherals. Its separate RTC power domain accepts a 3 V battery supply, preserving 256 bytes of backup registers and maintaining accurate timekeeping during main supply loss.