LPC2368FBD100K
LPC2368FBD100K - 72MHz ARM7 MCU with Ethernet | NXP
NXP Semiconductors LPC2368FBD100K is a 16/32-bit ARM7TDMI-S microcontroller operating at 72 MHz, with 512 KB of embedded flash, 58 KB of SRAM, and a 100-lead LQFP package measuring 14 x 14 mm. The device integrates an Ethernet MAC, USB Device, Host and OTG controller, two CAN channels, SD/MMC support, four UARTs, three SSP/SPI interfaces, three I2C interfaces, I2S, eight 10-bit ADC channels, a 10-bit DAC, and two PWM blocks. These resources allow one microcontroller to control communications, data acquisition, storage, and real-time peripheral functions without requiring several discrete interface controllers.
An ARM7 microcontroller is a 32-bit embedded processor that combines a CPU core, memory, interrupt handling, and programmable peripherals in one integrated circuit. The LPC2300 family belongs to the broader embedded-microcontroller and semiconductor hierarchy. In system terms, the LPC2368FBD100K can serve as the central real-time controller between sensors, communications equipment, human-interface circuits, and external storage. Its integration reduces component count while preserving dedicated hardware for Ethernet, USB, CAN, serial data, and analog measurement.
The primary architectural advantage is the 72 MHz ARM7TDMI-S core paired with the LPC2300 accelerator and memory organization. The device provides 512 KB of flash for firmware and 58 KB of SRAM for working data, while a 128-bit-wide memory interface supports the CPU's maximum clock rate. An Ethernet MAC supports network-connected equipment, while USB Device, Host, and OTG operation broadens its role in host and peripheral designs. Two CAN channels suit industrial communication, and the DMA controller moves data with less CPU intervention.
The integrated serial resources support several embedded architectures. Four UARTs can connect external sensors, service consoles, or industrial equipment; three SSP/SPI interfaces support fast serial peripherals; three I2C buses suit low-speed controllers and sensors; and I2S provides a dedicated path for digital audio data. The eight-channel 10-bit ADC handles analog inputs, the 10-bit DAC generates analog output, and two PWM blocks support timing, dimming, or motor-control functions. A 10-bit ADC is appropriate for supervisory measurement rather than precision instrumentation with substantially higher resolution requirements.
Typical applications include industrial Ethernet gateways, USB-to-serial equipment, CAN-connected control systems, SD/MMC data loggers, audio-capable embedded controllers, and multi-interface test equipment. The Ethernet MAC, USB controller, and CAN channels allow the MCU to bridge communication technologies. The ADC and DAC support supervisory control loops, while SD/MMC connectivity supports removable or nonvolatile data storage. Firmware can also use the ISP and IAP capabilities associated with the LPC2364/65/66/67/68 family for in-system programming and application update workflows.
A successful design must account for the 100-pin footprint, all peripheral pin multiplexing, power-supply sequencing, clock configuration, and the demands placed by simultaneous Ethernet, USB, CAN, and memory activity. The LQFP package provides accessible leads for assembly and inspection, but the high pin count requires careful fanout and signal-integrity planning. Firmware should configure each peripheral only after resolving its alternate-function pins and should verify the resulting pin muxing against the manufacturer pin-description table.
This page consolidates the exact LPC2368FBD100K identity, verified memory and interface specifications, lifecycle information, sourcing guidance, same-family alternatives, and practical integration considerations. It is intended to help engineers determine whether the original LPC2300 device remains appropriate for an existing 100-LQFP design and how to evaluate a replacement without overlooking changes in memory, peripherals, pin multiplexing, or firmware requirements.
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