NXP Semiconductors LPC43S67JBD208E

Overview

LPC43S67JBD208E from NXP Semiconductors is a dual-core ARM Cortex-M4/M0 microcontroller for industrial and embedded applications, featuring 1 MB flash, 154 kB SRAM, integrated Ethernet MAC with IEEE 1588 support, dual High-speed USB 2.0 controllers (one with on-chip HS PHY), LCD controller, AES encryption engine, and quad SPI Flash Interface (SPIFI) operating at up to 52 MB/s.

For engineers reviewing the LPC43S67JBD208E datasheet, LPC43S67JBD208E pinout, LPC43S67JBD208E application, or LPC43S67JBD208E equivalent, key selection considerations include its LQFP208 package with 142 GPIOs, dual-core asymmetric processing architecture (M4 + M0 coprocessor + M0 subsystem), real-time peripheral offload capability, and support for deterministic motor control, audio streaming, and secure boot via OTP-keyed AES.

Technical Context

The LPC43S67JBD208E integrates three independent ARM cores: a main Cortex-M4 running up to 204 MHz with hardware FPU and MPU, an application Cortex-M0 coprocessor (r0p0) for peripheral management, and a dedicated Cortex-M0 subsystem controlling SGPIO and SPI peripherals via a separate AHB matrix - all interconnected via core-to-core bridge and GIMA event routing.

Its memory subsystem includes dual-bank 512 kB flash per bank with accelerator, 16 kB EEPROM, 154 kB SRAM distributed across multiple blocks (some power-down capable), 2 kB + 16 kB SRAM in the M0 subsystem, and two 256-bit OTP banks for AES key storage - enabling secure encrypted boot and runtime data protection.

Key Specifications

Pinout & Package

LPC43S67JBD208E is housed in a plastic low-profile quad flat package (LQFP208) with 208 leads, body size 28 × 28 × 1.4 mm, and exposed thermal pad. Pin functions are multiplexed across 16 GPIO ports (P0–P9, PA–PF), supporting up to eight digital functions per pin via SCU configuration.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core ARM microcontroller applications.

Compared with LPC4357JBD208 and LPC4370JBD208, the LPC43S67JBD208E uniquely combines AES+OTP security, LCD controller, and IEEE 1588 Ethernet in LQFP208 - making it optimal for secure, display-enabled industrial edge devices where trust and timing coexist.

Availability

LPC43S67JBD208E is available at Aetrix Electronics and suitable for industrial automation, smart metering, and embedded audio applications requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for LPC43S67JBD208E 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in ARM-based microcontrollers and edge processing.

The LPC43S6x product line was designed for high-performance, security-aware embedded applications demanding real-time determinism, multi-protocol connectivity, and hardware-accelerated cryptography - targeting industrial control, energy infrastructure, and audio endpoints.

FAQ

What is the maximum operating frequency of the LPC43S67JBD208E?

The LPC43S67JBD208E features an ARM Cortex-M4 core capable of running at up to 204 MHz, supported by three PLLs that allow flexible clock generation without requiring a high-frequency crystal. The integrated Cortex-M0 coprocessor and subsystem also operate at up to 204 MHz, enabling synchronized high-speed peripheral management alongside the main application core.

Does the LPC43S67JBD208E support secure boot?

Yes, the LPC43S67JBD208E supports secure boot through its integrated AES-128/256 engine and two dedicated 256-bit OTP memory banks - one for storing encrypted boot image keys and another for general-purpose secure keys. Boot authentication is implemented via a ROM-based API, ensuring tamper-resistant firmware validation before execution begins.

How many GPIO pins does the LPC43S67JBD208E provide in its LQFP208 package?

The LPC43S67JBD208E in LQFP208 package provides 142 configurable GPIO pins, organized across 16 ports (P0–P9, PA–PF). Each pin supports up to eight multiplexed functions including general-purpose I/O, UART, I2C, SPI, Ethernet, USB, ADC, and timer signals - configured dynamically via the System Configuration Unit (SCU) registers.

What Ethernet capabilities does the LPC43S67JBD208E offer?

The LPC43S67JBD208E integrates a 10/100T Ethernet MAC with both RMII and MII interfaces, DMA support, and full IEEE 1588-2008 v2 hardware timestamping. This enables precise time synchronization for industrial protocols like Precision Time Protocol (PTP), essential for motion control, power substation automation, and synchronized sensor networks.

Is the LPC43S67JBD208E pin-compatible with other LPC43xx variants?

The LPC43S67JBD208E shares the same LQFP208 package footprint and pinout with other LPC43xx devices in the same package variant (e.g., LPC4357JBD208, LPC4370JBD208), enabling drop-in replacement for non-security or non-LCD variants. However, functional differences - such as absence of AES or LCD controller in alternatives - require firmware and schematic review before substitution.