NXP Semiconductors LPC5506JBD64Y

Overview

LPC5506JBD64Y from NXP Semiconductors is a 32-bit ARM Cortex-M33 microcontroller designed for secure embedded control applications. It operates at up to 96 MHz, integrates 256 KB flash and 96 KB SRAM, features CAN 2.0 (not CAN FD), CASPER crypto co-processor, and supports TrustZone-enabled secure boot with RSA-2048/4096 verification - deployed in industrial gateways requiring authenticated firmware updates and real-time CAN messaging.

For engineers reviewing the LPC5506JBD64Y datasheet, LPC5506JBD64Y pinout, LPC5506JBD64Y application, or LPC5506JBD64Y equivalent, key selection criteria include its HTQFP64 package with 45 GPIOs, PRINCE flash encryption support, 16-bit 2.0 Msamples/sec ADC with simultaneous conversion capability, and absence of CAN FD (versus LPC55S0x variants).

Technical Context

The LPC5506JBD64Y implements ARMv8-M architecture with TrustZone security extensions, enabling hardware-isolated secure and non-secure execution environments. Its CASPER co-processor accelerates ECC operations, while PRINCE performs real-time AES-128 encryption/decryption of on-chip flash reads and writes.

It uses dual DMA controllers (23-channel DMA0 + 10-channel DMA1) for peripheral offload and supports flexible clocking via FRO (96 MHz/12 MHz/1 MHz), 32 kHz RTC oscillator, and PLLs - all configurable through dedicated clock control registers without external crystal dependency.

Key Specifications

Pinout & Package

Package: HTQFP64 - plastic low-profile quad flat package, 64 leads, 0.5 mm pitch, body size 10 × 10 × 0.5 mm, exposed pad connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LPC5506JBD64Y, LPC55S06JBD64 adds CAN FD and full cryptographic acceleration but shares identical HTQFP64 layout and boot architecture; LPC5504JBD64 reduces memory resources while retaining all security and analog capabilities - making both viable alternatives depending on bandwidth and firmware scale requirements.

Availability

LPC5506JBD64Y is available at Aetrix Electronics and suitable for industrial gateways, secure edge sensors, smart building controllers, and medical diagnostic interfaces requiring stable component supply and long-term lifecycle support.

Supply support for LPC5506JBD64Y 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 LPC550x series targets resource-constrained yet security-critical embedded systems, delivering scalable ARM Cortex-M33 performance with hardware-enforced trust anchors, flash encryption, and cryptographic acceleration - optimized for industrial control and edge authentication.

FAQ

What is the maximum operating frequency of the LPC5506JBD64Y?

The LPC5506JBD64Y runs at a maximum CPU frequency of 96 MHz, achieved using the internal Free Running Oscillator (FRO) or PLL-derived clocks. This frequency is supported across the full industrial temperature range (−40 °C to +105 °C) and voltage range (1.8 V to 3.6 V), with FRO accuracy maintained at ±1% over 0–85 °C and ±2% over the full range.

Does the LPC5506JBD64Y support CAN FD or only classical CAN 2.0?

The LPC5506JBD64Y supports only CAN 2.0, not CAN FD. Unlike the LPC55S0x variants, it lacks the CAN FD controller and associated high-speed arbitration logic. Its CAN module is fully compatible with ISO 11898-1:2015 Classical CAN, supporting bit rates up to 1 Mbps and standard frame formats - confirmed in Table 2 of the official datasheet.

What security features are implemented in the LPC5506JBD64Y?

The LPC5506JBD64Y includes CASPER crypto co-processor for ECC acceleration, PRINCE for real-time flash AES-128 encryption/decryption, PUF-based key generation, SHA2 engine, TRNG, 128-bit UUID, Code Watchdog, and secure boot with RSA-2048/4096 signature verification - though it omits TrustZone and full HASH-AES modules present in LPC55S0x derivatives.

What is the ADC resolution and sampling rate of the LPC5506JBD64Y?

The LPC5506JBD64Y integrates a 16-bit successive approximation register (SAR) ADC capable of 2.0 million samples per second (Msamples/sec). It supports simultaneous conversions on two channels belonging to the same differential pair, with nine configured input channels (ADC0_0 through ADC0_9) and internal temperature sensor integration.

Which package type does the LPC5506JBD64Y use and how many pins does it have?

The LPC5506JBD64Y uses the HTQFP64 package: a plastic low-profile quad flat package with 64 leads, 0.5 mm pitch, and 10 × 10 × 0.5 mm body dimensions. The exposed thermal pad must be connected to VSS for optimal thermal performance and electrical stability, as specified in NXP's SOT855-5 standard.