LPC11E68JBD100

Updated: 2026-08-28

Overview

The LPC11E68JBD100 is a 32-bit microcontroller from NXP’s LPC1100E series, built around an ARM Cortex-M0+ core. It is designed for low-power embedded applications, offering 64KB of flash memory and 8KB of SRAM. The microcontroller operates at frequencies up to 50MHz and includes peripherals such as UART, SPI, I2C, and GPIO, making it versatile for various applications. This microcontroller is part of NXP’s energy-efficient lineup, featuring multiple power modes to optimize energy consumption. It is commonly used in IoT devices, industrial automation, and consumer electronics where low power and reliable performance are critical.

Structure and Working Principle

The LPC11E68JBD100 integrates an ARM Cortex-M0+ processor, which executes Thumb-2 instructions for efficient operation. The chip includes on-chip flash memory for program storage and SRAM for data handling. Peripherals such as timers, ADCs, and communication interfaces are connected via an AHB-Lite bus. Power management is a key feature, with sleep, deep-sleep, and power-down modes to minimize energy use. The microcontroller can wake from low-power states via interrupts or reset signals, making it suitable for battery-powered applications.

Key Features

The LPC11E68JBD100 stands out for its low power consumption, with active mode current as low as 150µA/MHz. It includes a nested vectored interrupt controller (NVIC) for efficient handling of real-time events. The microcontroller also supports in-system programming (ISP) and in-application programming (IAP) for firmware updates. Other features include a 10-bit ADC, multiple serial communication interfaces, and a windowed watchdog timer. These make it adaptable for sensor interfacing, motor control, and communication-heavy applications.

Application Areas

This microcontroller is widely used in IoT edge devices, such as smart sensors and gateways, due to its low power and connectivity options. Industrial applications include PLCs, motor control, and automation systems where reliability is paramount. In consumer electronics, the LPC11E68JBD100 is found in wearables, remote controls, and home automation devices. Its balance of performance and energy efficiency makes it a preferred choice for cost-sensitive and power-constrained designs.

Maintenance and Precautions

To ensure longevity, avoid exceeding the specified voltage and temperature ranges (typically -40°C to +85°C). Proper ESD precautions should be taken during handling and assembly to prevent damage to sensitive components. Firmware should include watchdog timer routines to recover from unexpected stalls. For optimal signal integrity, follow NXP’s PCB layout guidelines, especially for high-speed traces and power supply decoupling.

B2B Procurement Guide

When sourcing the LPC11E68JBD100, verify the supplier’s authorization status to avoid counterfeit parts. Volume discounts are typically available for orders exceeding 1,000 units. Lead times can vary; check with distributors like Digi-Key or Mouser for stock availability. Consider purchasing evaluation kits (e.g., LPCXpresso11E68) for prototyping. For long-term projects, confirm NXP’s product lifecycle status to avoid obsolescence issues.