LPC4337JBD144E
LPC4337JBD144E - Dual-Core 204MHz MCU with 1MB Flash | NXP
The NXP Semiconductors LPC4337JBD144E is a dual-core Arm Cortex-M4/M0 microcontroller with a 204 MHz Cortex-M4 processor, 1 MB of flash memory, up to 136 kB of on-chip SRAM, and 16 kB of EEPROM in a 144-LQFP 20 mm × 20 mm package. The MCU also integrates dual high-speed USB connectivity, Ethernet, a 10-bit ADC, a 10-bit DAC, and flexible serial peripherals for embedded control applications.
A microcontroller is a programmable system-on-chip that combines a processor core, memory, communication peripherals, and control interfaces on one integrated circuit. The LPC4337 belongs to the NXP LPC43x family of 32-bit embedded microcontrollers. Its Cortex-M4 core handles control-oriented and computationally intensive tasks, while the Cortex-M0 coprocessor provides an independent execution environment for peripheral servicing, communication, or workload partitioning.
Key device features include 1 MB of flash, up to 136 kB of SRAM, and 16 kB of EEPROM. The integrated connectivity includes two high-speed USB interfaces and Ethernet, as described by NXP. Additional peripherals include an eight-channel 10-bit ADC, a one-channel 10-bit DAC, SPIFI flash-interface support, a State Configurable Timer, and Serial General Purpose I/O, making the device useful for data acquisition, communications, control, and human-interface systems.
The architecture combines a high-performance 32-bit Arm Cortex-M4 processor running at 204 MHz with a 32-bit Arm Cortex-M0 coprocessor. This dual-core arrangement can reduce interrupt servicing in the main core and allow real-time peripheral routines to execute independently. The 1 MB flash capacity provides room for a larger firmware image, while SRAM and EEPROM support working data, configuration values, and nonvolatile parameters.
Typical uses include industrial automation and factory equipment, Ethernet-connected embedded controllers, USB data-acquisition equipment, medical monitoring systems, secure access equipment, and network-connected control products. The dual USB interfaces and Ethernet make it particularly relevant to systems that must bridge service interfaces, host devices, and an Ethernet network without requiring several discrete interface controllers.
Designers should verify the exact pin functions, clock configuration, startup behavior, power-supply limits, and peripheral pin multiplexing in the NXP datasheet before layout is released. The 144-LQFP package provides many externally accessible signals, so careful decoupling, a clean ground plane, and controlled-length clock routing remain essential.
This page consolidates verified distributor availability, manufacturer feature data, same-family drop-in alternatives, package-aware comparisons, and practical selection guidance. It supplements the raw ordering information with design-oriented context while explicitly identifying parameters that require confirmation from the manufacturer documentation.
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