NXP Semiconductors LPC2366FBD100K

Overview

LPC2366FBD100 from NXP Semiconductors is a 32-bit ARM7TDMI-S microcontroller with 256 kB flash, 32 kB local SRAM, dual CAN channels, USB 2.0 full-speed device interface (4 kB endpoint RAM), Ethernet MAC with RMII, and 10-bit ADC/DAC - deployed in industrial protocol gateways requiring deterministic serial bridging and real-time I/O control.

For engineers reviewing the LPC2366FBD100 datasheet, LPC2366FBD100 pinout, LPC2366FBD100 application, or LPC2366FBD100 equivalent, key selection criteria include dual-CAN + USB + Ethernet coexistence, 70 GPIO with edge/level interrupt support, RMII Ethernet timing compliance, and 72 MHz CPU clock with dual-AHB bus arbitration for concurrent DMA transfers.

Technical Context

The LPC2366FBD100 implements an ARM7TDMI-S core with Thumb/ARM instruction set support, running at up to 72 MHz via on-chip PLL fed by 1–24 MHz crystal or 4 MHz internal RC oscillator. Its dual Advanced High-performance Bus (AHB) architecture separates Ethernet DMA, USB DMA, and flash execution paths to eliminate bus contention.

Peripheral integration includes four UARTs with fractional baud rate generation, two independent CAN 2.0B controllers, one I2S interface with GPDMA support, three I²C-bus interfaces (one open-drain), two SSP controllers, and a 10-bit ADC with six input channels plus 10-bit DAC output - all accessible via configurable pin-muxing through the Pin Connect Block.

Key Specifications

Pinout & Package

LPC2366FBD100 uses LQFP100 package (SOT407-1), 14 mm × 14 mm × 1.4 mm body, with 100 leads and exposed thermal pad. Pin functions are fully configurable via Pin Connect Block register mapping.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC2368FBD100, LPC2366FBD100 trades flash capacity and SD/MMC for lower cost and identical dual-CAN/USB/Ethernet functionality; versus LPC1769FBD100, it retains native CAN support and ARM7 deterministic latency at lower clock speed and memory footprint.

Availability

LPC2366FBD100 is available at Aetrix Electronics and suitable for industrial protocol gateways, medical data aggregators, and building automation controllers requiring stable component supply across extended product lifecycles.

Supply support for LPC2366FBD100 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 company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The LPC2300 series, including LPC2366FBD100, was designed specifically for embedded networking applications demanding integrated Ethernet, USB, CAN, and real-time analog I/O in a single-chip ARM7 solution.

FAQ

What is the maximum operating frequency of the LPC2366FBD100?

The LPC2366FBD100 operates at a maximum CPU clock frequency of 72 MHz, achieved using its on-chip PLL locked to an external 1–24 MHz crystal or the internal 4 MHz RC oscillator. This frequency is sustained across the full industrial temperature range (−40 °C to +85 °C) with proper decoupling and thermal design. The LPC2366FBD100 maintains timing compliance for all integrated peripherals - including Ethernet RMII, USB, and CAN - at this clock rate.

Does the LPC2366FBD100 support both CAN 2.0A and CAN 2.0B protocols?

Yes, the LPC2366FBD100 integrates two fully independent CAN 2.0B controllers compliant with ISO 11898-1, supporting both standard (11-bit) and extended (29-bit) identifier formats, programmable bit timing, and hardware acceptance filtering. Each controller has dedicated message RAM and supports self-test, loopback, and silent modes - essential for automotive diagnostics and industrial fieldbus interoperability. The LPC2366FBD100 does not require external CAN transceivers for logic-level interface.

Can the LPC2366FBD100 run USB and CAN simultaneously without performance degradation?

Yes, the LPC2366FBD100 supports concurrent USB 2.0 full-speed device and dual CAN operation due to its dual AHB bus architecture: USB DMA and CAN controllers operate on separate AHB subsystems, eliminating bus contention. The 72 MHz CPU clock and Advanced Vectored Interrupt Controller ensure deterministic servicing of USB SOF, CAN message, and Ethernet RX/TX interrupts - validated in NXP reference designs for protocol gateways where all three interfaces remain active under full load.

What are the power supply requirements for the LPC2366FBD100?

The LPC2366FBD100 requires a single 3.3 V supply (3.0 V to 3.6 V) for VDD(3V3), plus separate analog supplies: VDDA and VSSA for ADC/DAC reference, and VBAT for RTC backup. It features four low-power modes - idle, sleep, power-down, and deep power-down - with wake-up via CAN, USB activity, Ethernet, or RTC alarm. Brownout detection provides interrupt and reset thresholds, and on-chip power-on reset ensures reliable boot across voltage ramps. The LPC2366FBD100 draws ~120 mA typical at 72 MHz with all peripherals active.

Is the LPC2366FBD100 pin-compatible with other members of the LPC236x family?

Yes, the LPC2366FBD100 in LQFP100 package (SOT407-1) is pin-compatible with LPC2364FBD100, LPC2365FBD100, LPC2367FBD100, and LPC2368FBD100 - all share identical pin allocation, electrical characteristics, and mechanical footprint. Firmware developed for LPC2366FBD100 runs unmodified on LPC2368FBD100, though the latter adds SD/MMC interface and 512 kB flash. This compatibility enables scalable design reuse across performance tiers without PCB redesign.