LPC11U68JBD64K
LPC11U68JBD64K - 50MHz Cortex-M0+ 256KB MCU | NXP
NXP Semiconductors LPC11U68JBD64K is an entry-level 32-bit embedded microcontroller based on Arm Cortex-M0+ and Cortex-M0 cores, operating at up to 50 MHz and providing 256 KB of flash memory in a 64-LQFP package measuring 10 mm by 10 mm. The device is positioned as a low-cost migration path from 8-bit and 16-bit microcontroller designs while retaining a 32-bit architecture, a compact instruction set, and flexible configuration.
A microcontroller is a semiconductor integrated circuit that combines a processor core, program memory, data memory, and peripherals on one die. In the product hierarchy, the LPC11U68JBD64K is an embedded microcontroller, then a 32-bit microcontroller, and ultimately a general-purpose semiconductor. The Arm Cortex-M0+ architecture is designed for compact embedded-control code, while the presence of Cortex-M0-compatible family information supports simple control-oriented product designs.
The principal verified characteristics are a maximum CPU frequency of 50 MHz, 256 KB of flash, a 32-bit CPU, Arm Cortex-M0+/M0 family architecture, and a 64-LQFP surface-mount package. The NXP product page identifies LPC11U68JBD64 as active. This combination makes the LPC11U68JBD64K relevant to embedded control, IoT device, industrial automation, motor-control, metering, and low-power board applications where a compact 32-bit control platform is required.
The LPC11Uxx family is intended to replace conventional 8-bit and 16-bit microcontroller implementations with a more capable 32-bit architecture. Its operating frequency of up to 50 MHz provides additional processing headroom for protocol handling, control logic, and state management, while the simple Arm instruction set can reduce software complexity compared with more elaborate embedded processor architectures. Exact RAM, peripheral, voltage, and timing details must be confirmed in the manufacturer datasheet before schematic or firmware design begins.
Typical application opportunities include smart metering, connected sensors, compact industrial controllers, motor-control supervisory logic, appliance controls, and low-power IoT nodes. In these systems, the 256 KB flash capacity accommodates a bootloader, application firmware, configuration data, and protocol code. The 10 mm by 10 mm LQFP package also supports conventional surface-mount assembly while providing more exposed perimeter pins than a small leadless package.
Designers should use the official NXP data sheet as the controlling source for pin assignment, power requirements, clocking, peripherals, programming, and package dimensions. The LPC11U68JBD64K is supported by the NXP LPC11U00 CMSIS device family package, providing a defined software-device and peripheral baseline for embedded toolchains.
This product page consolidates verified manufacturer and distributor information, pricing availability, package details, datasheet links, application context, and design cautions. It also distinguishes confirmed specifications from unavailable data rather than estimating missing electrical or pin-level values, helping engineers make a safer sourcing and design decision.
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